Chemistry: electrical current producing apparatus, product, and process inventions 12/05

20050287399 - Bio-battery: A bio-battery includes a biomolecular energy source, a first electrode and a second electrode. In some configurations, a bio-battery may also include a first cell containing the first electrode and the biomolecular energy source, and a second cell having a reducible substrate and the second electrode. The first cell can...

20050287400 - Secondary battery and battery module: A battery module according to one embodiment of the present invention includes a plurality of unit batteries, each including a protective circuit for protecting the unit battery, and a battery management system electrically connected to the unit battery. Each unit battery further includes a molding part for covering the protective...

20050287401 - Fuel cell reformer and system: A reformer for a fuel cell system has at least a dual pipe configuration that forms independent spaces through which fuel containing hydrogen passes. The reformer includes a first reaction assembly for generating heat energy by an oxidation reaction of the fuel and a second reaction assembly for generating hydrogen...

20050287402 - Ac impedance monitoring of fuel cell stack: A ripple voltage, caused by a voltage inverter, is superimposed on an output voltage provided by a fuel cell stack. This ripple voltage is sensed and used to determine an AC impedance of the fuel cell stack. The determined AC impedance can be correlated to a hydration state of the...

20050287403 - Method and apparatus for controlling a combined heat and power fuel cell system: A cogeneration fuel cell system and associated methods of operation are provided that accommodate a demand for heat as well as a demand for electric power. The system is operated among various modes to balance heat and power demand signals. In general, a fuel cell system is coupled to a...

20050287404 - Fuel cell system and method for removal of impurities from fuel cell electrodes: A fuel cell system and method of removing impurities from a catalyst are provided. The fuel cell system comprises a fuel cell stack comprising a pair of end plates and at least one unit cell. The unit cell contains a gas diffusion layer in contact with a membrane electrode assembly...

20050287405 - Fuel cell system: An adaptable fuel cell system is provided that includes a stack generating electric energy through an electrochemical reaction between hydrogen and oxygen and applying the electric energy to a load, a reformer reforming a fuel to generate the hydrogen supplied to the stack, a fuel supply unit supplying the fuel...

20050287406 - Fuel cell system and method for generating electricity from a fuel cell system comprising a fuel cell stack divided into sub-tracks: Methods of generating electricity from a fuel cell system and fuel cell systems are provided. The fuel cell system comprises a fuel cell stack divided into an anode-side sub-stack, central sub-stack, and cathode-side sub-stack by current collectors positioned at each end of the fuel cell stack and two current collectors...

20050287409 - Method and apparatus for vaporizing fuel for a reformer fuel cell system: Rapid response to a fuel cell system of the type including a reformer (32) in response to a change in load is achieved in a system that includes a fuel tank (24), a water tank (20) and a source (42) of a fluid at an elevated temperature. A heat exchanger...

20050287408 - Method for the production of electrochemical cells and an electrochemical cell stack: A method for the production of an electrochemical cell and an electrochemical cell stack is disclosed with annular electrolyte arranged in a pressure vessel. Such a cell is produced by providing an annular precursor already provided with the electrodes where the product is converted to the desired membrane/electrolyte by heating...

20050287407 - System and method for storing and discharging hydrogen: A hydrogen fuel system comprises an open gas circuit that includes a source of hydrogen. The hydrogen fuel system also includes a compressor that forces a flow of hydrogen from the source of hydrogen through the open gas circuit, and a hydrogen storage vessel comprising an inlet and an outlet....

20050287410 - Polymer electrolyte membrane and fuel cell using the same: A polymer electrolyte membrane having excellent mechanical natures is provided. The polymer electrolyte membrane has an elastic modulus at 23° C. and a relative humidity of 50% of 400 MPa to 900 MPa and comprises at least one polymer, all of which have an aromatic ring on their main chain,...

20050287412 - Active control strategy for pem fuel cell liquid water evacuation: The present invention provides a fuel cell stack and a method of operating the same that allows for removal of liquid water and minimizes the impact of liquid water on the performance of the fuel cells. By selectively blocking the cathode reactant flow from exiting the fuel cell stack improved...

20050287411 - Low voltage power tap on high voltage stack: A fuel cell system that includes a fuel cell stack providing high voltage power. A tap is electrically coupled to the positive end of the stack to provide a positive voltage output terminal of the fuel cell stack, and a tap is electrically coupled to the negative end of the...

20050287413 - Separator for fuel cell, method of preparing same, and fuel cell comprising same: The separator of the present invention includes a substrate with a flow path channel formed thereon, and a hydrophobic coating layer formed in the flow path channel. The separator for a fuel cell, which is suggested in the present invetnion, can easily discharge water generated at a cathode because the...

20050287414 - Fuel cell, and a method for preparing the same: Provided are a fuel cell and a preparation method thereof. The fuel cell includes unit cells, each having a membrane electrode assembly, separators placed on either side of the membrane electrode assembly, and spacers at the edge of and between the membrane electrode assembly and the separators, wherein each spacer...

20050287415 - Separator for polymer electrolyte fuel cell, polymer electrolyte fuel cell, method of evaluating separator for polymer electrolyte fuel cell, and method of manufacturing separator for polymer electrolyte fuel cell: A separator for a polymer electrolyte fuel cell, which contains electrically conductive carbon and a binder that binds the electrically conductive carbon, comprises a reaction gas passage formed on at least a main surface thereof, wherein a water droplet falling angle of a surface the reaction gas passage is not...

20050287416 - Polymer electrolyte fuel cell and power generation device: A fuel cell is provided with a membrane electrode assembly (26) in which an anode (26B) and a cathode (26C) are formed on both sides of a polymer electrolyte film (26A). The fuel cell is provided with a downstream gas supply channel (33) facing the cathode (26C), an upstream gas...

20050287417 - Alkaline electrode tape: The invention is a consumable Alkaline electrode for use in an Electrolytic Fuel Cell. The electrode system incorporates an intermediate perforated tape between the carrier insulation tape holding the electrolytic fuel and the cover stripper tape having a metalized surface which serves as the electrode conductor accepting electrons from the...

20050287418 - Electrode for fuel cell, membrane-electrode assembly for fuel cell comprising the same, fuel cell system comprising the same, and method for preparing the electrode: The electrode for a fuel cell of the invention includes: an electrode substrate; and a catalyst layer having a filler layer formed on the surface of the electrode substrate and a catalyst coating the filler layer....

20050287419 - Membrane-electrode assembly for fuel cell and fuel cell comprising the same: Disclosed is a membrane-electrode assembly for a fuel cell including an anode and a cathode with a polymer electrolyte membrane placed between them. At least one of the anode and the cathode includes a catalyst layer including a catalyst metal with a hydrophilic polymer layer on the catalyst metal....

20050287420 - Metallization of bacterial cellulose for electrical and electronic device manufacture: A method for the deposition of metals in bacterial cellulose and for the employment of the metallized bacterial cellulose in the construction of fuel cells and other electronic devices is disclosed. The method for impregnating bacterial cellulose with a metal comprises placing a bacterial cellulose matrix in a solution of...

20050287421 - Electrochemical cell having a carbon aerogel cathode: The invention provides an electrochemical cell having a liquid positive material and comprising a metal anode and a carbon-based cathode, the cell being characterized in that the cathode comprises a carbon aerogel....

20050287422 - Secondary battery, cap assembly thereof and method of mounting safety valve therefor: A secondary battery may be manufactured with an electrode assembly having a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode. A container encases the electrode assembly. A hole formed on one end of the container with a stepped configuration that opens...

20050287423 - Battery holder: A battery holder (210) for mounting a button-type battery (200) on a printed circuit board (220) is provided. The battery holder comprises a resilient electrode plate (212), a ring (214) and a battery cap (216). The resilient electrode plate is soldered to positive contacts (222) of the printed circuit board....

20050287424 - Hvac controller battery tray: An HVAC controller includes a controller housing having an aperture and a battery tray removably disposed within the aperture. The battery tray can include an outer wall and a beam element fixed relative to the outer wall and extending away from the outer wall. The beam element can have a...

20050287425 - Li/mno2 battery separators with selective ion transport: A method for selectively blocking flow of manganese ions from manganese dioxide electrode to a lithium electrode in lithium-manganese dioxide cell comprising the steps of: providing a lithium electrode adapted to providing lithium ions; providing a manganese dioxide electrode adapted to providing manganese ions; and blocking flow of manganese ions...

20050287426 - Secondary battery module: A secondary battery module has a plurality of unit batteries adjacently spaced apart from each other. A barrier rib is disposed between adjacent unit batteries, the barrier rib having a plurality of protrusions....

20050287427 - Battery module: A battery module including a plurality of battery cells, wherein the terminal of a positive electrode and the terminal of a negative electrode of the battery cells are coupled through a connection member that includes holes is disclosed....

20050287429 - Rechargeable battery: A rechargeable battery includes an electrode assembly comprising a positive electrode that has an uncoated region that is not coated with an active material along an edge, a negative electrode that has an uncoated region that is not coated with an active material along an edge, and a separator that...

20050287431 - Rechargeable battery: A rechargeable battery comprises an electrode assembly including a positive electrode, a negative electrode, and a separator that is interposed between the positive electrode and negative electrode. The battery further comprises a case for housing the electrode assembly, a cap assembly for sealing the case, a positive terminal and a...

20050287434 - Rechargeable battery: The rechargeable battery comprises an electrode assembly including a positive electrode, a negative electrode, and a separator interposed between those two electrodes. The battery further comprises a container that receives the electrode assembly inside it and a cap assembly that is coupled with the container to seal it. The cap...

20050287428 - Secondary battery: A secondary battery includes: a case; an electrode assembly including a positive electrode, a negative electrode, and a separator interposed therebetween, the electrode assembly being arranged within the case; a cap assembly affixed to the case and adapted to seal the case, the cap assembly being electrically connected to the...

20050287430 - Secondary battery: A secondary battery includes: an electrode assembly including positive and negative electrodes; a container adapted to receive the electrode assembly; a cap assembly having at least two terminals exposed outside the container, the cap assembly being adapted to be fixed to the container to seal the container; and lead elements...

20050287432 - Secondary battery: A secondary battery includes a case, an electrode assembly including a positive electrode, a negative electrode, and a separator interposed therebetween and housed in the case, and a cap assembly sealing the case and electrically coupled to the electrode assembly. A current collecting plate is electrically coupled to the positive...

20050287433 - Secondary battery: The present invention provides a secondary battery including an electrode assembly comprising positive and negative electrodes with a separator interposed therebetween and wound together, a case, a cap assembly, and a negative current collecting plate. The negative current collecting plate includes a partially surface-treated region for fixing the negative current...

20050287435 - Secondary battery: A secondary battery includes: an electrode assembly having a winding including a positive electrode, a negative electrode, and a separator interposed therebetween, the winding centered around a winding axis; a case adapted to receive the electrode assembly, the winding axis being parallel to a longitudinal axis of the case; and...

20050287436 - Vanadium redox flow battery electrolyte-use amorphous solid composition: An amorphous solid composition for a vanadium redox flow battery electrolyte, which can be suitably used for storage of excess electric power for using in daytime, generated in nighttime by a power station, storage of electric power generated by photovoltaic power generation or wind power generation, and the like. The...

20050287437 - Solid electrolyte composition, cathode film for battery, and method for manufacturing same: There are provided a cathode film for batteries which is easy to handle in the form of a film and has excellent mechanical strength and an excellent ion conductivity; a solid electrolyte composition suitable for producing such a cathode film; and a process for efficiently producing such a cathode film....

20050287438 - Alkaline electrochemical cell with improved lifetime: The invention relates to an alkaline electrochemical cell of improved lifetime, including at least one compound based on barium or strontium, said compound being present in the cell with the exception of the cathode. The invention also provides a method of fabricating such a cell....

20050287439 - Cathode material and non-aqueous electrolyte secondary battery using it: The present invention relates to a negative electrode material for non-aqueous electrolyte secondary batteries, characterized in that the negative electrode material comprises a composite particle including solid phases A and B, the solid phase A being dispersed in the solid phase B, and the ratio (IA/IB) of the maximum diffracted...

20050287440 - Anode active material with improved electrochemical properties and electrochemical device comprising the same: Disclosed is an anode active material, comprising: (a) a carbonaceous material; and (b) a carbide coating layer partially or totally formed on a surface of the carbonaceous material, the carbide coating layer comprising at least one element selected from the group consisting of metals and metalloids. An anode obtained by...

20050287441 - Lithium polymer electrolyte batteries and methods of making: This invention is a new solid polymer ionically-conducting electrolyte material or composition (SPE) in which the mobile ions include, but are not limited to the lithium ion. SPEs of this invention are formed from the combination of three component materials comprising: (1) an ionic liquid as defined herein, (2) a...

20050287442 - Electrolyte for lithium ion rechargeable battery and lithium ion rechargeable battery including the same: The present invention is an electrolyte for a lithium ion rechargeable battery and a lithium ion rechargeable battery that includes the same. More particularly, the present invention discloses an electrolyte for a lithium ion rechargeable battery that provides excellent cycle life characteristics and high-temperatures storage stability and prevents a drop...

20050282047 - Method for operating fuel cell, fuel cell, and mobile device and mobile phone using same: A fuel cell includes a fuel cell main unit (110) in which organic liquid fuel is supplied to a fuel electrode (102) as fuel, and a vibration generating unit (314, 324) which generates vibration to vibrate the fuel electrode (102) such that carbon dioxide generated at the fuel electrode is...

20050282048 - Fuel cell, its fuel-feeding system, fuel cartridge and electronic equipment: An aqueous solution fuel is fed to a fuel cell by using a propellant gas composed of a pressure has or pressure-liquefied gas. The aqueous solution fuel and the propellant gas are held in an exchangeable fuel cartridge. An ejector for ejecting the aqueous solution fuel from the fuel cartridge...

20050282049 - Fuel cell aging method and apparatus: An aging apparatus is provided with a DMFC having anode and cathode electrodes; anode-side and cathode-side separators for feeding the anode and cathode electrodes with pure water or a solution and an oxygen-containing gas, respectively; a voltage-applying means for forcing current to flow between the electrodes in the same direction...

20050282050 - Integrated fuel cell stack thermostat: A fuel cell system includes a fuel cell stack and a thermostat. The thermostat is mounted to the fuel cell stack to regulate a flow of coolant....

20050282051 - Integrated honeycomb solid electrolyte fuel cells: The invention of solid electrolyte fuel cell power generating system integrates heat exchange, combustion, exhaust recycle, steam/fuel conditioning, fuel reforming, water condensing, water drainage, or water recycle into monolithic honeycomb structures. Manifolds serve as honeycomb multiple channel group gas passageways between channels within a honeycomb or between honeycombs. The said...

20050282053 - Composite electrolyte with crosslinking agents: A covalent crosslinking of ion-conducting materials via sulfonic acid groups can be applied to various low cost electrolyte membrane base materials for improved fuel cell performance metrics relative to such base material. This proposed approach is due, in part, to the observation that many aromatic and aliphatic polymer materials have...

20050282052 - Modified inorganic material with ion exchange capacity, composite electolyte membrane comprising the same, and fuel cell comprising the composite electrolyte membrane: The present invention relates to a modified inorganic material with excellent cation exchange capacity. In addition, the invention relates to a method of preparing the modified inorganic material, a composite electrolyte membrane comprising the modified inorganic material powder that has excellent methanol-repelling ability, and a fuel cell comprising the composite...

20050282056 - Carbon composite material for fuel cell separator, preparation thereof and fuel cell separator utilizing the same: Disclosed is a method for producing a carbon composite material for a fuel cell separator, comprising dry homogenizing graphite powder as a conductive filler, a solid phenolic resin as a binder, and additives for improving physical properties, pouring the homogeneous mixture into a heated mold; and subjecting the homogeneous mixture...

20050282055 - Carbon composite separator for fuel cell: Disclosed herein is a carbon composite separator for a fuel cell. The carbon composite separator comprises a separator body, and a partition plate made of a highly conductive and gas-impermeable material and embedded in the separator body. The carbon composite separator can completely prevent an increase in gas permeability caused...

20050282057 - Fuel cell apparatus: A fuel cell apparatus has a diaphragm located between the anode and cathode sides of a fuel cell. At least one pressure compensation element (10, 20) is provided, which limits the differential pressure acting on the diaphragm (5)....

20050282054 - Fuel cell device: A fuel cell device has a small and compact structure as a whole. The fuel cell device employs a fuel cell (e.g., direct methanol fuel cell of an MEA structure) using liquid fuel. Diluted liquid fuel is prepared by diluting the liquid fuel (methanol-contained liquid in the case of DMFC)...

20050282058 - Fuel cell housing structure: A fuel cell housing structure with a fuel cell, an electrically insulated housing containing the fuel cell, the housing being surrounding the fuel cell to provide a space surrounding the fuel cell. A vent gas intake port in the housing is connected to the space within the housing surrounding the...

20050282059 - Fuel cell housing structure: In a fuel cell housing structure, an electrically insulated housing contains a fuel cell, and is arranged to provide a space within the housing surrounding the fuel cell. A vent gas intake port and a vent gas exhaust port are provided in the housing. At least one of the vent...

20050282060 - Fuel cell endplate system: An endplate assembly is connected to a fuel cell stack. An endplate assembly has an external surface and an internal surface. The internal surface faces toward the fuel cell stack and the external surface is opposite the internal surface and faces away from the fuel cell stack. The endplate assembly...

20050282061 - Catalyst support for an electrochemical fuel cell: Corrosion of the carbon catalyst support may occur at both the anode and cathode catalyst layers within an electrochemical fuel cell. Such corrosion may lead to reduced performance and/or decreased lifetimes of the fuel cell. Nevertheless, carbon supports have many desirable properties as catalyst supports including high surface area, high...

20050282062 - Fuel cell electrode, fuel cell and their production processes: A porous metal sheet (489) is used as an electrode substrate and the surface of a metal constituting the porous metal is roughened by etching. A plating layer of a catalyst (491) is formed on the surface on which irregularities are formed. This obtained electrode material is used as a...

20050282063 - Means of stabilizing electrolyte in a direct carbon-air fuel cell based on a molten metal hydroxide electrolyte: A system and a method for suppressing the build up of metal carbonates in the electrolyte, using a porous cell separator is used to allow the use of different electrolyte compositions around the anode (anolyte) and the cathode (catholyte). This cell configuration enables the oxygen cathode to operate in a...

20050282064 - Safety vent part and electric energy storage device having the same: In a safety vent part and an electric energy storage device having the same, the safety vent part includes a plate coupled to the device, a metal sheet and a metal cap. A hole having a step portion is formed through the plate, and is in communication with an interior...

20050282065 - Generator control apparatus and method for automotive vehicle: In a generator control apparatus for a vehicle, the control apparatus includes an engine; an intake air temperature sensing section configured to sense a temperature of intake air of the engine; an engine startup temperature-state determining section configured to determine whether the engine is in warm-up state, at the time...

20050282066 - Water-activated cell and method of power generation: A water-activated cell comprises an acidic medium including an acidic substance and having a first electrode disposed therein, a basic medium including a basic substance and having a second electrode disposed therein, which basic medium is disposed adjacent to or near the acidic medium, a first reaction substance including a...

20050282067 - Electrical battery: An electrical battery has a housing, two electrodes chargeable with electrical charges of different signs in a polarizable medium provided between the electrodes, the polarizable medium being formed as an electrolyte which does not electrochemically interact with the electrodes but provides electrical charges which are attracted to electrical charges of...

20050282068 - Metal compound-metal multilayer electrodes for organic electronic devices: The invention provides an organic electronic device comprising: (i) a multilayer cathode comprising: (a) a conductive layer that is electrically connected as a bus, (b) a layer comprising at least one source of alkali metal ions, alkaline earth metal ions, or lanthanide ions and (c) a conductive metal layer comprising...

20050282069 - Rechargeable battery pack and method for separating core pack from case: A rechargeable battery pack and a method for separating a core pack from a case make it possible to easily separate the core pack from the case without causing any damage to the surface of the core pack. A core pack may need to be separated from the case during...

20050282070 - Anode active material for lithium secondary battery and manufacturing method thereof: An anode active material for a lithium secondary battery, wherein a nitride compound containing silicon or metal such as copper, tin, germanium, indium and zinc is doped with second metal such as ferrum, cobalt, nickel and copper. To obtain the anode active material, a predetermined amount of metal nitride or...

20050282071 - Battery: A battery is provided. The battery provides improved battery characteristics such as cycle characteristics is provided. A battery includes a cathode; an anode; and an electrolytic solution, wherein the anode contains a carbon material, the electrolytic solution contains propylene carbonate and 4-fluoroethylene carbonate, and a content of 4-fluoroethylene carbonate is...

20050277003 - Fcpm freeze start heater: A fuel cell system that employs a start-up heater. The heater is coupled to a cold plate that warms a stack coolant during system start-up. A heater circuit measures the voltage at the output of the fuel cell stack and across the heater and the current through the fuel cell...

20050277004 - Fuel cell controller and control method: The following control is performed. During startup of a fuel cell 1, a fuel gas is supplied to an anode 1b of the fuel cell 1 and an oxidant gas is supplied to a cathode 1c of the fuel cell 1, thereby starting power generation. Fuel gas externally emitted from...

20050277005 - Fuel cell system and method of controlling thereof: The fuel cell system has: a fuel cell stack having a fuel electrode and an oxidant electrode that face each other with a electrolyte membrane interposed between the fuel electrode and the oxidant electrode; a gas supply unit configured to supply a fuel gas to the fuel electrode and an...

20050277006 - Fuel cell system: A fuel cell system which has a high temperature fuel cell stack (1) with current diverters (5) and a reformer and/or an afterburner (6), the current diverters (5) being connected with low temperature connecting elements (10) for current delivery. The current diverters (5) are in thermal contact with the reformer...

20050277007 - Fuel cell and method for manufacturing the same: An electrode sheet (489) is put in one side of a solid electrolyte membrane (114) at its cut portion. A base member (110) for an oxidant electrode side current collector electrode sheet (499) is placed at a location facing a base member (104) for the electrode sheet (489) formed on...

20050277010 - Controlled process gas pressure decay at shut-down: A back pressure regulating device can be incorporated either into a fuel cell test station or into a fuel cell power module. For each of fuel can oxidant lines, it provides a gas pressure regulator. The pressure regulator is controlled by a pilot gas, supplied, preferably, through a pressure regulating...

20050277008 - Equalizer channel in fuel cells: A fuel cell stack includes an inlet header that distributes a reactant across the fuel cell stack and an equalizer channel that is in fluid communication with the inlet header. The equalizer channel equalizes a pressure of the reactant across a portion of the fuel cell stack. A plurality of...

20050277011 - Fuel and wastewater storage device and method for a fuel cell: A fuel and wastewater storage device for a fuel cell includes: a housing having an interior; a movable barrier dividing the interior into a first cavity and a second cavity; a fuel port located at the first cavity; and a wastewater port located at the second cavity, wherein the storage...

20050277009 - Fuel cell separator and a method for manufacturing the same: A first resin is prepared which has a content of electrically conductive particles adjusted in the range from 60 wt % to 90 wt %, and a melt shear viscosity adjusted in the range from 1×103 Pa.sec to 1×107 Pa.sec. A second resin is prepared which has a content of...

20050277012 - Fuel cell stack: A spring module is mounted to a fuel cell stack. The spring module includes a first member and a second member capable of inclining relative to each other and moving in a direction toward and away from each other, and a plurality of springs independent of each other and disposed...

20050277013 - Solid polymer type fuel cell, metal separator for fuel cell, and kit for fuel cell: The present invention provides a fuel cell employing a metal separator in which low gas pressure loss, high hydrogen utilization factor operation and long term power generation are possible. The fuel cell according to the present invention is constituted by laminating a plurality of units, the units combining a metal...

20050277014 - Cathode side hardware for carbonate fuel cells: Carbonate fuel cathode side hardware having a thin coating of a conductive ceramic formed from one of LSC (La0.8Sr0.2CoO3) and lithiated NiO (LixNiO, where x is 0.1 to 1)....

20050277015 - Cathode side hardware for carbonate fuel cells: Carbonate fuel cathode side hardware having a thin coating of a conductive ceramic formed from one of Perovskite AMeO3, wherein A is at least one of lanthanum and a combination of lanthanum and strontium and Me is one or more of transition metals, lithiated NiO (LixNiO, where x is 0.1...

20050277016 - Electrochemical cell: An electrochemical cell comprising: (i) an anode half-cell with an anode, (ii) a cathode half-cell with a cathode, (iii) an ion-exchange membrane arranged between the anode half-cell and the cathode half-cell, the anode and/or the cathode comprising a gas diffusion electrode, (iv) a gap between the gas diffusion electrode and...

20050277017 - Cap assembly and a safety valve for a secondary battery: A secondary battery with a maximized cycle-life having a multi-stage safety valve so as to lower the inner pressure of the battery in stages. The multi-stage safety valve is installed on a case and the secondary battery is equipped with an electrode assembly including both positive and negative electrodes and...

20050277018 - Secondary battery: An electrode assembly for a secondary battery comprising an adiabatic plate attached to the negative electrode plate is disclosed. The electrode assembly comprises a positive electrode plate having a positive electrode collector, a positive electrode coating, and a non-coated area on the positive electrode collector. The negative electrode plate has...

20050277019 - Low impedance layered battery apparatus and method for making the same: An electrochemical storage device is described, and a method for making the same. In some aspects, a guidewire is co-wound with sheet or ribbon-like electrode materials so that contact is made between the guidewire and collector extensions of the electrode materials thereby forming an endcap with low impedance and high...

20050277020 - Secondary battery with collector plate and electrode package thereof: A secondary battery. An electrode assembly is mounted in a container. The electrode assembly is formed by winding a positive electrode and a negative electrode with respect to a separator interposed between the positive and negative electrodes. A cap assembly is fixed to the container to seal the container assembly...

20050277021 - Electrochemical element: Positive and negative electrodes include exposed current collector portions at both lengthwise ends, and these exposed current collector portions are bent such as to protrude from the widthwise edge of the electrodes to form welding pieces. The positive and negative electrodes and a separator interposed therebetween are wound around into...

20050277022 - Electrochemical element: The electrochemical element includes an electrode assembly accommodated in a case with an electrolyte. The electrode assembly is formed into a flat shape by winding positive and negative electrodes with a separator interposed therebetween. The positive electrode includes an exposed positive current collector portion uncoated with an active material and...

20050277023 - High discharge capacity lithium battery: Electrochemical battery cells, and more particularly, to cells comprising a lithium negative electrode and an iron disulfide positive electrode. Before use in the cell, the iron disulfide has an inherent pH, or a mixture of iron disulfide and an pH raising additive compound have a calculated pH, of at least...

20050277024 - Nickel precoat for electrode plates: The disclosure relates to increasing the performance of batteries by reducing the internal resistance of the electrodes and improving the adhesion of electrolytic materials to metal substrates used in the manufacture of electrodes for energy storage cells. In one embodiment, the present invention may be illustrated as a system and...

20050277025 - Alkaline battery, current collector, electrode, and method of manufacturing electrode: An alkaline battery comprises an electrode. The electrode has a current collector and an active substance filled in the current collector. The current collector includes a nonwoven fabric fabricated from a plurality of fibers and a nickel-plating film formed on the plurality of fibers. A specific surface area per unit...

20050277026 - Non-aqueous secondary battery and separator used therefor: A non-aqueous secondary battery separator composed of a porous film made of an organic polymer, which includes a network-like support, swells in the electrolyte solution and retains the electrolyte solution, wherein the network-like support has a mean film thickness of 10-30 μm, a basis weight of 6-20 g/m2, a Gurley...

20050277027 - Electrolyte for lithium ion rechargeable battery and lithium ion rechargeable battery comprising the same: The present invention relates to an electrolyte for a lithium ion rechargeable battery and a lithium ion rechargeable battery including the same. The electrolyte includes a non-aqueous organic solvent, a lithium salt, and triphenyl phosphate. A lithium ion rechargeable battery including the electrolyte has improved overcharge stability and shows excellent...

20050271905 - Fuel cell power and management system, and technique for controlling and/or operating same: There are many inventions described and illustrated herein. In one aspect, the present invention is directed to a portable fuel cell power and management system (for example, hydrogen and/or methanol based systems), components and/or elements thereof, as well as techniques for controlling and/or operating such systems. The fuel cell power...

20050271906 - Integrated switching assemblies for a fuel cell stack: A switch assembly for selectively enabling current flow through a segment of a fuel cell stack. The switch assembly includes a first plate including a first non-conductive substrate having a first conductive path therethrough and a second plate including a second non-conductive substrate having a second conductive path therethrough. A...

20050271907 - Reformer and fuel cell system having the same: There is provided a fuel cell system comprising: a stack for generating electric energy through a reaction between hydrogen and oxygen; a reformer for generating hydrogen from fuel through a catalytic reaction of the fuel using thermal energy and for supplying the generated hydrogen to the stack; a fuel supply...

20050271908 - Cooling subsystem for an electrochemical fuel cell system: A method for operating a cooling subsystem of an electrochemical fuel cell system during startup is disclosed. The method comprises directing a startup coolant through an electrochemical fuel cell stack of the fuel cell system, and directing a standard coolant through the fuel cell stack when the temperature of either...

20050271909 - Flow field plate for use in fuel cells: A method of flowing reactants over an ion exchange membrane in a fuel cell flow field plate is provided. The flow field plate is provided, comprising a network of flow channels in the plate bounded by an electrochemically active electrode, the network comprising a series of passages having parallel grooves,...

20050271910 - Fuel cell stack with even distributing gas manifolds: A method of controlling fluid flow to a stack of fuel cell flow field plates comprises providing in each fuel cell flow field plate of the stack of plates a fluid supply manifold aperture for conducting a supply of fluid to a number of the plates in the stack, the...

20050271911 - Method of controlling fuel cell system: A fuel cell is obtained, in which oxidation degradation of a catalyst in the cathode can be prevented even if a large volume of air instantaneously penetrates into the cell, and the fuel-cell characteristics also do not deteriorate even though starting-up, shutting-down and pausing operations are repeatedly performed. As a...

20050271912 - Fuel processing method and system: A fuel processing method for a solid oxide fuel cell stack comprising the steps of: (a) supplying a feed stream comprising methanol and/or dimethyl ether to a methanation reactor containing catalytic material for the methanation of methanol and/or dimethyl ether; (b) processing the feed stream in the methanation reactor under...

20050271913 - Adsorbent for removing sulfur compound, process for producing hydrogen and fuel cell system: The present invention provides an adsorbent for removing sulfur compounds, which adsorbent can effectively remove a variety of sulfur compounds contained in a hydrocarbon fuel to a low concentration even at room temperature; a process for effectively producing hydrogen that can be used in a fuel cell; and a fuel...

20050271915 - Direct alcohol fuel cells using solid acid electrolytes: Direct alcohol fuel cells using solid acid electrolytes and internal reforming catalysts are disclosed. The fuel cell generally comprises an anode, a cathode, a solid acid electrolyte and an internal reforming catalyst. The internal reforming catalyst may comprise any suitable reformer and is positioned adjacent the anode. In this configuration...

20050271914 - Integrated high efficiency fossil fuel power plant/fuel cell system with co2 emissions abatement: An integrated power production system including a fossil fuel power plant for processing fossil based fuel such as coal or natural gas arranged in tandem with a carbonate fuel cell having an anode and a cathode section. The flue gas of the power plant serves exclusively as the inlet gas...

20050271916 - Thermoelectric conversion of heat released during use of a power-plant or hydrogen storage material: A method of generating electrical current in a system comprising a power-plant unit and/or hydrogen storage medium by transferring heat generated by the hydrogen storage medium and/or power-plant unit to a thermoelectric device, and converting the heat to generate electrical current using the thermoelectric device....

20050271917 - Electrochemical reactor for aircraft and method for operating the electrochemical reactor: In present-day aircraft, common containers for storing of the raw materials required for on-board operation, such as oxygen and water, are used. Energy is produced by using generators and turbines. According to one exemplary embodiment of the present invention, an electrochemical reactor for producing energy, hydrogen, oxygen, and clear water...

20050271918 - Fuel cell system and purging method therefor: A fuel cell system includes a fuel cell having a membrane, which is adapted to perform power generation by a chemical reaction of two reaction gases each supplied to one side of the membrane, reaction gas paths through which the two reaction gases flow, a purge device for purging at...

20050271920 - Direct methanol fuel cell system comprising microfibrous fuel cells and methods of making and using same: The present invention provides microfibrous direct methanol fuel cells that comprise microfibrous hollow membrane separators with fiber-reinforces ion exchange polymeric membrane walls. Specifically, the fiber-reinforces ion exchange polymeric membrane wall of each microfibrous direct methanol fuel cell comprises one or more continuous fibers, which extend along directions that are substantially...

20050271919 - Electolyte sheets for solid oxide fuel cell and method for manufacturing same: The present invention provides electrolyte sheets for solid oxide fuel cells, the electrolyte sheets being able to improve their adhesion to electrode films formed on both surfaces thereof and being also able to improve electric power generation characteristics of fuel cells by an increase in their electrode reaction areas. There...

20050271923 - Fuel cell, polyelectrolyte and ion-exchange resin use for same: The object of this invention is to provide a solid polymer electrolyte which is excellent in durability and of low cost, and membranes, solutions for electrode catalyst coating, membrane/electrode assemblies and fuel cells which use the electrolyte. According to this invention, there can be provided a fuel cell which comprises...

20050271921 - Membrane-electrode assembly for fuel cell, preparation method, and fuel cell comprising the same: A membrane-electrode assembly for a fuel cell of the present invention includes a polymer electrolyte membrane with a layer of inorganic fine particles on either side. Catalyst layers are positioned on the layers of inorganic fine particles with gas diffusion layers positioned on the catalyst layers. The resulting polymer electrolyte...

20050271922 - Solid polymer electrolyte, a membrane using thereof, a solution for coating electrode catalyst, a membrane/electrode assembly, and a fuel cell: m

20050271925 - Consumption battery utilizing fuel battery technology: A consumption battery which utilizes fuel battery technology and preferably complies with the standards of size and voltage of traditional batteries, wherein the consumption battery comprises two independent parts which are separable from one another, consisting of an electric generator unit (2) and a fuel supply unit (3), with the...

20050271924 - Systems and methods to generate hydrogen and electrical power in a reversible compound fuel cell: A hydrogen and electrical power generating system that includes a hydrogen source to generate a mixture having hydrogen gas, and a ceramic fuel cell to generate power from a first portion of the mixture. The system also includes a hydrogen separator to generate purified hydrogen gas from a second portion...

20050271926 - Fuel cell and metal separator for fuel cell: A power generation cell includes a membrane electrode assembly and first and second metal separators sandwiching the membrane electrode assembly. The first metal separator is a thin metal plate. A first seal member is formed integrally around the outer end of the first metal separator. A portion defining an orifice...

20050271929 - Edge-protected catalyst-coated membrane electrode assemblies: A fuel cell including an anode-side catalyst coated membrane and a cathode-side catalyst coated membrane. At least a portion of a reduced-permeability layer is disposed between the ionically conductive membrane and the anode-side and cathode-side gas diffusion media, wherein the reduced-permeability layer is formed of a material that has a...

20050271927 - Fuel cell with thermal conductance of cathode greater than anode: In a fuel cell for a fuel cell power plant having a PEM (9), a cathode comprising at least a catalyst (10) and a support substrate (17), possibly with a diffusion layer (16), on one side of the PEM, and an anode comprising at least an anode support substrate (14)...

20050271928 - Proton exchange membrane fuel cell with non-noble metal catalysts: A Proton Exchange Membrane fuel cell including a hydrogen electrode utilizing non-noble metal hydrogen oxidation catalysts, and/or an oxygen electrode utilizing non-noble metal oxygen reduction catalysts. The non-noble metal hydrogen oxidation catalysts and the non-noble metal oxygen reduction catalysts provide for a long catalyst cycle life due to increased stability...

20050271930 - Polymer electrolyte fuel cell and manufacturing method thereof: A polymer electrolyte fuel cell comprises a catalyst layer; a cation exchange resin provided in the catalyst layer; a proton conductive path provided in the cation exchange resin; a carbon material provided in the catalyst layer; and a catalyst metal provided in the catalyst layer. 50 mass % or more...

20050271932 - Air cathode having multiple layered sintering structure and its process for producing the same: An air cathode having multiple layered structure formed by at least a layer of base material, two sintered diffusion layers and a sintered activation layer in laminating shape wherein the base material is as the electric current collector which is made of metal wire net or metal foam net carrying...

20050271931 - Methods for the electrochemical optimization of solid oxide fuel cell electrodes: The present invention provides a solid oxide fuel cell which contains an anode, a cathode, and an electrolyte, where at least one of the electrode contains a wash-coat composition that improves the performance of the solid oxide fuel cell. Also provided is a method for making the solid oxide fuel...

20050271933 - Secondary battery: A secondary battery can prevent microscopic short circuit due to shedding of active material from an electrode and secure electric connection between the electrode and an electrode terminal. According to an example of means for preventing shedding of active material from a positive electrode 1 constituting a wound type electrode...

20050271934 - Battery pack assembly: A low-profile battery pack having an electrolyte barrier is provided. The pack includes a plurality of rechargeable cells, being arranged in end to end pairs of two cells. A cleavage void formed by the convex geometry of the cells accommodates at least one insulator and a first circuit board. Tabs...

20050271935 - Valve regulated lead acid battery: A valve-regulated lead acid (VRLA) battery cell (2,40) has positive and negative plates (10,11,41,42) separated by separator media (12,43) and held together under pressure. The separator is adapted to support therein an electrolyte. Each plate has a first single or plurality of tabs (12,13,46) on a first side and a...

20050271936 - Calcium aluminate clinker as a refractory aggregate with and without barium addition and use thereof: A method of providing a safety lining in an industrial processing container, such as an aluminum electrolytic cell, is provided comprising providing a container having an interior and a at least one primary lining in juxtaposition to said interior of said shell, and adding a calcium aluminate clinker and/or castable...

20050271937 - Battery design for implantable medical devices: An improved battery design which is particularly suitable for use in an implantable medical device is disclosed. The design utilizes a two-part case for the battery contents which allows freedom with respect to feedthrough locations and battery shape....

20050271938 - Flat non-aqueous electrolyte secondary cell: In a flat non-aqueous electrolyte secondary cell comprising an electricity-generating element including at least a cathode, a separator and an anode and a non-aqueous electrolyte in the inside of a cathode case, a plurality of electrode units each consisting of the cathode and the anode opposite to each another via...

20050271939 - Novel polymer electrolyte for electrochemical power sources: A homogeneous single-phase polymer electrolyte containing a cyano monomer cross-linked with a second monomer having at least one α-unsaturated functionality, is described. A mixture of 2-cyanoethyl acrylate and a second monomer having α-unsaturated functionalities, such as multi-functional (meth)acrylates is preferred. The polymer electrolyte further includes a thermally activated initiator and...

20050271940 - Electrode plate of positive electrode for non-aqueous electrolyte secondary battery and manufacturing method thereof: A method for manufacturing a positive electrode plate for a non-aqueous secondary battery including: preparing an active material A, a conductive material B, a binder C, a thickener D, and a liquid component E, the thickener D being in a powder state, the conductive material B including a carbon material,...

20050271941 - Alkaline cells having high capacity: Aspects of the present invention provide a high capacity electrochemical cell having an anode, a cathode, and a separator disposed between the anode and cathode. The cathode includes a mixture having a first component, a second component and a third component. The first component includes a first element, the second...

20050271942 - Alkaline dry battery and method of producing the same: The alkaline dry battery of the present invention has a battery case accommodating a positive electrode including manganese dioxide and nickel oxyhydroxide, a negative electrode including zinc, and an alkaline electrolyte; a sealing plate for sealing an opening of the battery case; and a sealing member disposed in between the...

20050271943 - Lithium secondary battery with high power: The present invention provides a non-aqueous electrolyte-based high power lithium secondary battery having a long-term service life and superior safety at both room temperature and high temperature, even after repeated high-current charging and discharging, wherein the battery comprises a mixture of a particular lithium manganese-metal composite oxide (A) having a...

20050271945 - Positive electrode active material for lithium ion secondary battery: Disclosed is a positive electrode active material for a lithium ion secondary battery, including lithium-transition metal composite oxide of a layer crystal structure, in which the lithium-transition metal composite oxide contains an element that improves conductivity of electrons in the lithium-transition metal composite oxide. Use of this positive electrode active...

20050271944 - Positive electrode active material powder for lithium secondary battery: A positive electrode active material powder for a lithium secondary battery characterized by comprising a first granular powder having a compression breaking strength of at least 50 MPa and a second granular powder having a compression breaking strength of less than 40 MPa, formed by agglomeration of many fine particles...

20050271946 - Positive electrode current collector for a manganese dry battery and a manganese dry battery using the same: To provide a positive electrode current collector for a manganese dry battery including a carbon rod with a low density yet with good retention of the sealing property of the battery during high temperature storage. The positive electrode current collector for a manganese dry battery comprises a carbon rod and...

20050271947 - Separator, battery with separator and method for producing a separator: A separator for battery and including a plate shaped structure of inorganic fibers is distinguished in that said separator is impregnated with a dispersion of colloidal inorganic nano particles that have been enriched in the crossing points of the fibers when solvent has been dried so as to form binding...

20050271948 - Polysiloxane-based compound and solid polymer electrolyte composition using the same: This invention relates to a polysiloxane-based compound and a solid polymer electrolyte composition prepared using the same. More particularly, the present invention relates to a polysiloxane-based polymer, which promotes easy cross-linking and also enables to control the level of cross-linking according to the concentration of an acryl group by introducing...

20050266278 - Capacitor-embedded fuel cell: The present invention provides a capacitor-embedded fuel cell. The capacitor-embedded fuel cell comprises a membrane electrode assembly including a hydrogen ion exchange membrane consisting of a polymeric electrolyte, and a pair of gas diffusion electrodes disposed on upper and lower surfaces of the hydrogen ion exchange membrane, respectively, a pair...

20050266279 - Rechargeable battery: The present invention discloses a rechargeable battery that has an improved mounting structure for an electrode terminal and a second protective device used therein. This improved structure improves the function of the rechargeable battery. The rechargeable battery comprises an electrode assembly that has first electrode plate, a second electrode plate,...

20050266280 - Electronic apparatus system, fuel cell unit and power supply control method: A microcomputer of a fuel cell unit controls the output power of a DMFC at two stages in a High mode and in a Low mode by driving of an auxiliary machine. When an output value of a DC/DC converter exceeds a predetermined value, the microcomputer decides a rechargeable cell...

20050266281 - Apparatus and method for in situ production of fuel for a fuel cell: Fuel cell fuel supplies having single and multiple compartments for storing and containing fuel cell fuel precursor reagents. These fuel supplies allow storage and packaging of precursors for in situ production and use of fuel cell fuel. A method for making fuel cell fuel and a fuel cell system is...

20050266282 - Fuel cell system having integrated central control function: A fuel cell system in accordance with the invention includes a single, central electronic controller (CPU) for controlling at least the Air Handling sub-system, the Reformer sub-system, the Power Electronics sub-system, and the Customer Interface sub-system. The central controller provides a central location for easier serviceability; increases data transport efficiency...

20050266283 - Fuel cell system shunt regulator method and apparatus: A fuel cell system for powering a work load includes a fuel cell stack and a shunt regulator having a threshold detection; transistorized power switching element, and a dump load. The threshold detection element identifies when an abnormally high voltage rises. The power switching element routes power from the high...

20050266284 - Consumption-based fuel cell monitoring and control: Fuel cell systems and methods for controlling the operation of components of the fuel cell system, such as which may include a fuel source and a fuel cell stack. In some examples, a fuel source is adapted to provide supply fuel to a fuel cell stack at a supply pressure....

20050266285 - Utilization-based fuel cell monitoring and control: Fuel cell systems and methods for controlling the operation of components of the fuel cell system, which may include a fuel source and a fuel cell stack. In some examples, a fuel source is adapted to provide supply fuel to a fuel cell stack at a supply pressure. The fuel...

20050266287 - Device for producing water on board of an airplane: The invention relates to a device for producing water on board of an airplane by means of one or several fuel cells. The inventive water producing device is embodied in the form of one or several high temperature fuel cells (7) and entirely or partially integrated into a jet power...

20050266288 - Flexible ceramic gasket for sofc generator: A solid oxide fuel cell generator (10) contains stacks of hollow axially elongated fuel cells (36) having an open top end (37), an oxidant inlet plenum (52), a feed fuel plenum (11), a combustion chamber (94) for combusting reacted oxidant/spent fuel; and, optionally, a fuel recirculation chamber (106) below the...

20050266286 - Fuel cell stack: A fuel cell stack includes power generation cells, terminal plates, first cooling cells, and second cooling cells. The terminal plates are electrically connected to the power generation cells. The first cooling cells are interposed between the terminal plates, and a cooling liquid is supplied to the first cooling cells for...

20050266290 - Enzymatic fuel cell with membrane bound redox enzyme: Still further provided is a fuel cell with an anode compartment and a cathode compartment comprising: in the anode compartment, an anode electrode and, integrated into biocompatible membrane tethered to the anode electrode, a redox enzyme that can receive electrons from an electron carrier; in the cathode compartment, a cathode...

20050266289 - Ionic perfluorovinyl compounds and their uses as components of ionic conductors of the polymer type, of selective membranes or of catalysts: Ionic perfluorovinyl compounds and their uses as components of ionic conductors of the polymer type, of selective membranes or of catalysts. The compounds comprise at least one perfluorovinyl group and at least one group chosen from —O or one of the groups C≡N, —C(C≡N)2, —NSO2R or —C[SO2R]2 or a pentacyclic...

20050266291 - Polymer electrolyte material, production method thereof and membrane electrode assembly for polymer electrolyte fuel cell: The present invention provides a polymer electrolyte material comprising a polymer having a repeating unit based on an alicyclic fluoromonomer having a carbon-carbon double bond with radical polymerization reactivity, wherein either of carbon atoms at both ends of the double bond constitutes a ring structure; the repeating unit contains a...

20050266292 - Electrochemical cell with two types of separators: Provided is an electrochemical device comprising two types of separators having different energy to break, wherein the outermost electrode layer of the electrode assembly includes an active material non-coated cathode, an active material non-coated anode, and a separator (second separator) disposed between the cathode and anode and having relatively low...

20050266293 - Recirculating assembly for a fuel cell system: A recirculating assembly is provided for a fuel cell system having an electrochemical conversion unit which receives a combustible fluid at an inlet, and supplies electric energy at an electrical output, surplus combustible fluid at a first fluid outlet, and a waste fluid at a second fluid outlet. The recirculating...

20050266294 - Stack and fuel cell system having the same: A fuel cell system includes a fuel supply unit for supplying fuel, an air supply unit for supplying air, and a stack for allowing hydrogen and oxygen supplied from the fuel supply unit and the air supply unit, respectively, to electrochemically react with each other and generating electrical energy. The...

20050266295 - Fuel cell separator, fuel cell device, and electronic applied device: Fuel cell separation, fuel cell device, and electronic applied device technical field are provided. A fuel cell separator capable of making a fuel cell device compact and reducing variations in air supply amount to generating cells. Oscillating fans as fluid oxidant supplying means are respectively provided at openings of channels....

20050266296 - Stack having improved cooling structure and fuel cell system having the same: A fuel cell system includes a fuel supply unit for supplying fuel, an air supply unit for supplying air, a coolant supply unit for supplying coolant, and a stack having an electricity generator in which separators are disposed on both surfaces of a membrane-electrode assembly so as to generate electric...

20050266297 - Perovskite-based fuel cell electrode and membrane: The present invention provides a material suitable for use in a solid oxide fuel cell, wherein the material is of an, optionally doped, double perovskite oxide material having the general formula (I): (LnaXb)e(Z1cZ2d)fOg (I) wherein Ln is selected from Y, La and a Lanthanide series element, or a combination of...

20050266298 - Dry particle based electro-chemical device and methods of making same: A dry process-based electro-chemical device and method for making a self-supporting dry electrode film for use therein is disclosed. Cost effective manufacture of electrochemical devices such as batteries, capacitors, and fuel cells is enabled....

20050266300 - Electrical energy supply methods and electrical energy power supplies: Electrical energy supply methods and electrical energy power supplies are described. According to one aspect, an electrical energy supply method includes providing first and second battery assemblies individually configured to store electrical energy, coupling the first and second battery assemblies to form a unitary device configured to supply electrical energy...

20050266299 - Lithium ion secondary battery system, and method for operating lithium ion secondary battery: A drop of discharge or charge capacity in discharging or charging with a large current is reduced without changing a design of a lithium ion secondary battery itself. When the lithium ion secondary battery for a car or a vehicles such as an electric automobile and a hybrid automobile is...

20050266301 - Systems and methods used to reserve a constant battery capacity: Techniques are disclosed which provide a substantially constant battery reserve capacity with respect to therapeutic medical devices. Accordingly, a battery control system may be operable to maintain a substantially constant reserve capacity throughout the life of the battery. The battery reserve capacity activation threshold may be set and continuously or...

20050266302 - Secondary battery: A secondary battery having an improved electrical connection structure of a secondary protective device by positioning a thermo-breaker in a protective device groove, in order to improve the stability of the secondary battery while minimizing the occupation of the inner space of the can. The secondary battery includes an electrode...

20050266303 - Battery assembly system and electric-motor vehicle system using the same: The battery assembly system 100 includes a battery assembly including a plurality of storage batteries C1 to Cn connected in series, a voltage detector 3 for detecting respectively voltages generated in the storage batteries, a current detector 4 for detecting a current flowing in the plurality of storage batteries, a...

20050266304 - Negative electrode for nonaqueous secondary battery and process of producing the same: A negative electrode 1 for nonaqueous secondary batteries characterized by having an active material layer 5 and a metallic lithium layer 3 both between a pair of current collecting surface layers 4. The negative electrode 1 has two negative electrode precursors 2 each composed of the current collecting surface layer...

20050266305 - Spirally-wound non-aqueous secondary battery and electrode plate used therefor: To provide a non-aqueous secondary battery having a capacity as high as that of a conventional battery using a conventional resin separator and achieving excellent overcharge characteristics and excellent resistance to external short-circuit, a combined electrode plate for a spirally-wound electrode group for a non-aqueous secondary battery including a current...

20050266308 - Conductive element between terminal and collector: A collector to terminal conductive element, or tab, for use with multiple-contact current collectors in the manufacture and use of energy storage cells. The collector to terminal conductive element of the present invention provides for lower internal resistance and higher conductivity than previous positive devices, thereby achieving higher current handling...

20050266307 - Current collectors: Disclosed is a current collector and method for increasing the electrical conductivity between the collector, casing, and the winding in the cell. The current collector comprises a sheet of highly conductive metal, such as pure nickel, having a plurality of protruding tabs arranged about its periphery. The tabs are folded...

20050266306 - Multiple contact collectors: Disclosed is a multiple-contact current collector for use in energy storage cells. The current collector of the present invention provides for lower internal resistance and higher conductivity than previous current collectors, thereby achieving increased current handling capacity, improved heat rejection, and lower discharge temperatures. The collector is characterized by a...

20050266309 - Battery gasket: The invention relates to a gasket for single or multi-cell rechargeable batteries and provides an improved seal between multiple cells in a battery or between a cell and the vent of a pressure vessel. In particular, the invention illustratively is described as having at least two alternating sectional profiles, each...

20050266310 - Lithium ion battery oxidized polymer binder: An electrode precursor sheet in which the active electrode material is bound by a polymer binder that includes an oxidized polymer or a blend of a first polymer with an oxidized polymer additive. The oxidized polymer advantageously has a minimum oxygen content of 1 atom % and may be an...

20050266311 - Silver oxide powder for alkaline battery and method of producing the same: Alkaline battery silver oxide powder when soaked in a 50° C. KOH 40% aqueous solution for 24 hours experiences dissolution of Ag into the solution of 40 mg/L. Alkaline battery silver oxide powder exhibits substantially no Ag peak by X-ray diffraction even after soaking in a 50° C. KOH 40%...

20050266312 - Non-aqueous electrolyte secondary battery: Elevated-temperature durability (i.e., high-temperature storage performance) is improved in a non-aqueous electrolyte secondary battery that uses a layered lithium-transition metal composite oxide as a positive electrode active material. A non-aqueous electrolyte secondary battery includes: a positive electrode containing a layered lithium-transition metal composite oxide as a positive electrode active material,...

20050266313 - Non-aqueous electrolyte secondary battery: In a non-aqueous electrolyte secondary battery using a layered lithium-transition metal composite oxide as a positive electrode active material, elevated-temperature durability, that is, elevated-temperature storage performance is enhanced without degrading battery capacity. The non-aqueous electrolyte secondary battery includes: a positive electrode including, as a positive electrode active material, layered lithium-transition...

20050266314 - Negative active material for lithium secondary battery and negative electrode and lithium secondary battery comprising same: A negative electrode for a lithium secondary battery of the present invention includes a negative active material including a plate-shaped carbon powder particle agglomerated in a primary structure in which the plate-shaped particle is oriented in a plane direction and laminated. Fine carbon powder particles are then agglomerated to form...

20050266315 - Cathode active material and non-aqueous electrolyte secondary battery: A cathode active material and non-aqueous electrolyte secondary battery. The non-aqueous electrolyte secondary battery includes a positive electrode and a negative electrode which are electrochemically doped and dedoped with lithium; and an electrolyte disposed between the positive electrode and the negative electrode. The positive electrode contains a cathode active material...

20050266316 - Non-aqueous electrolyte secondary battery: A non-aqueous electrolyte secondary battery that uses a layered lithium-transition metal composite oxide as a positive electrode active material can alleviate reduction in battery capacity associated with charge-discharge cycling at high temperatures and can enhance elevated-temperature durability, that is, high-temperature cycle performance. A non-aqueous electrolyte secondary battery includes a positive...