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Chemistry: electrical current producing apparatus, product, and process April category listing, related patent applications 04/06

20060088738 - Fuel cell system and control method: During a normal control (CP) having a fuel supply (3) supplying a fuel (Fg), an air supply (3) supplying an oxidizer (Og), a stack (1) of fuel cells generating power with the fuel and the oxidizer supplied, a battery (7) as a secondary cell operable for power charge and discharge,...

20060088739 - Power generation and supply system: A power generation and supply system utilizing one or more solar cells to produce electricity and hydrogen. The power generation and supply system includes an electrolyzer powered by the one or more solar cells for producing hydrogen, a hydrogen distribution system for distributing the hydrogen produced by the electrolyzer, a...

20060088740 - Fuel cell: A fuel cell stack includes unit cells. At one side of the unit cells, an oxygen-containing gas supply passage and a fuel gas discharge passage having different opening areas are provided. At the one side of the unit cells, a recess is provided near the fuel gas discharge passage having...

20060088741 - Methanol resistant cathodic catalyst for direct methanol fuel cells: Methanol-tolerant cathodic catalysts were prepared by depositing platinum nanoparticles and iron macrocycles on a carbon substrate. The order of depositing the iron and platinum on the carbon substrate were varied to form a (Fe—Pt)/C catalyst and a (Pt—Fe)/C catalyst. Different sintering temperatures were investigated to determine the heating effect on...

20060088742 - Fuel cell system for scavenging signal pressure line for regulator: A fuel cell system has a fuel cell having a cathode and an anode; a device for supplying an oxidant gas to the cathode; a device for supplying a fuel gas to the anode; a device for controlling a pressure of the oxidant gas in accordance with an operation state...

20060088743 - Fuel cell system method and apparatus: A fuel cell system employs at least two fuel cell stacks electrically coupled in parallel to reduce the load turndown ratio of the fuel cell stacks. Fewer than all fuel cell stacks may be operated where the power demand permits. An oxidant supply subsystem may cease supplying oxidant to one...

20060088744 - Electrochemical cells: An electrochemical cell comprises a first electrode, a second electrode, a porous separator, between the first and second electrodes, a first channel, having an inlet and an outlet, and a second channel, having an inlet and an outlet. The first channel is contiguous with the first electrode and the porous...

20060088745 - Fuel cell system: A fuel cell system capable of proper driving even at times of low temperature, below freezing or the like. The fuel cell system includes a fuel cell stack, piping, a pressure regulator, and a control unit. The piping discharges hydrogen or air that is used in electricity generation from the...

20060088746 - Passive dual-phase cooling for fuel cell assemblies: A cooling apparatus for a fuel cell assembly includes a heat transfer fluid and at least one fluid flow field plate configured to facilitate essentially passive, two-phase cooling for an membrane electrode assembly (MEA) as the MEA is subject to changes in heat flux to the heat transfer fluid from...

20060088747 - Thin film electrolyte assembly: A thin film electrolyte assembly includes a frame and a thin film at least partially contacting the frame. The thin film includes a metal layer having two opposed sides, a large surface area metal layer established on each of the two opposed sides of the metal layer, and an electrolyte...

20060088748 - Novel compositions of monomers, oligomers and polymers and methods for making the same: A process of synthesizing a polymer electrolyte is described. The process includes polymerizing one or more monomers or oligomers to make said polymer electrolyte. At least one of the one or more monomers or at least one of the one or more oligomers include at least one property imparting unit,...

20060088749 - Novel compositions of monomers, oligomers and polymers and methods for making the same: Novel polymer electrolyte compositions are described. In accordance with one embodiment, the novel composition includes at least one type of a polymer repeat unit including more than one property imparting unit. The property imparting unit has at least one member selected from the group consisting of conductivity imparting unit, stability...

20060088750 - Proton-conducting polymer material, and solid electrolyte membrane, electrochemical cell and fuel cell therewith: This invention relates to a proton-conducting polymer material comprising a quinoxaline-based compound structure, an imidazole-based compound structure and a proton-donating substituent, and a solid electrolyte membrane, an electrochemical cell and a fuel cell therewith....

20060088752 - Fuel cell stack: A fuel cell stack has fuel cell units. Each of the fuel cell units includes first and second membrane electrode assemblies and first to third separators sandwiching the first and second membrane electrode assemblies. A positioning mechanism is used for positioning the first to third separators in alignment with each...

20060088751 - Mobile device for supplying power by means of fuel cells: The present invention relates in general to mains-independent power supply and in particular to a housing for a mobile power supply device, wherein there are provided at least one housing section for accommodating at least one fuel cell device, at least one housing section for accommodating at least one electric...

20060088753 - Sealing frame for fuel cell stacks: The invention relates to a sealing frame (50) for fuel cell stacks having an alternating arrangement of flow plates (10) and electrolytic facilities (20) and cathode and anode regions formed between the flow plates (10) and the electrolytic facilities (20), wherein the sealing frame (50) is formed such that it...

20060088755 - Bipolar plate: A bipolar plate has a multi-layered structure including an inner metallic layer and at least one outer metallic, corrosion-resistant layer splatted, embedded, diffused and interlocked into the inner metallic layer....

20060088754 - Fuel cell system: The present discloses a fuel cell system comprising a plurality of individual fuel cells combined together to form an elongated fuel cell stack, wherein each of the individual fuel cells is divided into at least two separable isoelectric zones by insulated means, so that after the individual fuel cells are...

20060088756 - Fuel cell system: A fuel cell system includes a fuel cell stack, a gas liquid separator, a first drain channel, and a second drain channel. The gas liquid separator is connected to a fuel gas discharge passage of the fuel cell stack through a fuel gas discharge channel. The first drain channel is...

20060088757 - Fuel cell apparatus with double-sided flow field board: The present invention is related to a fuel cell apparatus with a double-sided flow field board which comprises a double-sided flow field board and two fuel cell boards. The double-sided flow field board comprises a board body and the flow field structure respectively placed on both sides of the board...

20060088758 - Battery case for an electric bicycle and a mounting structure thereof: A battery case for an electric bicycle and a mounting structure thereof is disposed at the handlebar of an electric bicycle. If the battery case is provided with battery indicator, speed indicator, headlight and the like instruments, the user rider can read it easily, and the battery case also can...

20060088759 - Stacked lithium secondary battery and its fabrication: There is provided a stacked lithium secondary battery in which a plurality of cathode plates and a plurality of anode plates are alternatively facing each other, and its fabrication method. The method comprises adhering a plurality of anode plates to a portion of one surface of a separator onto which...

20060088760 - Metallization of composite plate for fuel cells: A separator plate for a fuel cell stack includes an electrically non-conductive base plate having a reactant flow field formed in a reactant surface thereof. An electrically conductive layer is bonded to the reactant surface of the base plate....

20060088761 - Battery module: A battery module has stacked therein a plurality of flat cells each formed by sealing a power generating element with a package member and deriving to the exterior electrode tabs from the package member and has the electrode tabs of the flat cells connected electrically. The battery module includes electrically...

20060088762 - Non-aqueous electrolyte battery: In a non-aqueous electrolyte battery including a generating element having a separator bonded with an adhesive layer between a positive electrode plate and a negative electrode plate, the adhesive layer contains a fluorine-based polymer having a mass average molecular weight of from 500,000 to 1,500,000 and a melting point of...

20060088763 - Additives for increasing ion conductivity of molten salt type electrolyte in battery: A lithium-ion battery comprises a negative electrode, a positive electrode, and an electrolyte containing a molten salt, a lithium salt, and an electrolyte additive. The electrolyte additive is chosen to increase the lithium ion conductivity of electrolyte. The electrolyte additive may be an organic additive, such as an organic carbonate....

20060088764 - Method of preparing a nickel positive electrode active material: A nickel metal hydride storage battery having an excellent charging efficiency at high temperatures is provided by using a positive electrode comprising nickel hydroxide particles and at least one rare earth compound obtainable by treating a rare earth oxide with an aqueous alkaline solution and an oxidizing agent....

20060088765 - Electrochemical element and methodology for the selection of some of its components: An electrochemical element with alkaline electrolyte, the anode of which contains a zinc powder, characterised in that no mercury or cadmium has been added during its production, and consequently its mercury content is less than 0.1 ppm and its cadmium content is less that 5 ppm; additionally, it has a...

20060088766 - Negative active material for non-aqueous electrolyte battery, method of preparing same and non-aqueous electrolyte battery: A negative active material includes a vanadium-based oxide to achieve outstanding safety and cycle life characteristics in a non-aqueous lithium secondary battery. A second metal is substituted for a small portion of the vanadium to improve the stability of the crystal lattice of the vanadium-based oxide and maintain the capacity...

20060088767 - Battery with molten salt electrolyte and high voltage positive active material: A lithium-based rechargeable battery comprises a positive electrode, a negative electrode, and a molten salt electrolyte that is electrically conductive lithium ions. The positive electrode includes a positive active material that has an electrochemical potential of at least approximately 4.0 volts relative to lithium, and more preferably at least approximately...

20060088768 - Electrode structure of lithium battery: The present invention discloses an electrode structure of lithium battery that comprises a plurality of holes. More participating lithium compounds can be attached on the plurality of holes and less matter adhesive is required at the electrode. Hence the energy density of lithium battery is raised....

20060088769 - Battery separator with z-direction stability: A battery separator is a microporous membrane. The membrane has a major volume of a thermoplastic polymer and a minor volume of an inert particulate filler. The filler is dispersed throughout the polymer. The membrane exhibits a maximum Z-direction compression of 95% of the original membrane thickness. Alternatively, the battery...

20060083955 - Mobile type information terminal and self diagnosis method and operation method thereof: When the mobile type information terminal is transferred between an operating state and a standby state, self diagnosis is performed. The fuel cell charges the secondary cells with a normal current of fixed value I1, and when the output voltage of the boost DC/DC converter (when PG=L), the charge current...

20060083957 - Fuel cell stack and fastening and reinforcing mechanisms for a fuel cell stack: A stack for a fuel cell system which can include a simplified fastening structure and a fuel cell system having the stack are shown. The stack includes at least one electricity generator, a housing, and a cover. The electricity generator includes a MEA and separators located on both surfaces of...

20060083960 - Fuel cell system: A fuel cell system in which water can be accurately supplied in accordance with the flow rate of fuel gas supplied to the reformer to allow efficient reforming without using a flow meter measuring the flow rate of water. In the fuel cell system in which fuel gas is supplied...

20060083956 - Hydrogen generator and fuel cell system: In a hydrogen generator according to the invention, a reformer temperature sensor detects the temperature of a reformer at a start of a stop operation of a hydrogen generator. In a controller, a processing and controlling portion compares the detected temperature with first to fourth reference temperatures pre-stored in a...

20060083958 - Membrane-electrode assembly for fuel cell and fuel cell comprising the same: A polymer membrane-electrode assembly for a fuel cell includes an anode and a cathode, each of the anode and the cathode including a catalyst layer and an electrode substrate; and a polymer membrane placed between the anode and cathode. In the polymer membrane-electrode assembly, the polymer membrane is a polyphenylene...

20060083959 - Polymer electrolyte fuel cell cartridge and polymer electrolyte fuel cell: There is provided a polymer electrolyte fuel cell cartridge for supplying a fuel and an oxidizer to a polymer electrolyte fuel cell, including at least two chambers in which: one chamber stores the fuel; and the other chamber stores the oxidizer. The fuel includes one of hydrogen and an aqueous...

20060083961 - Asynchronous diagnostics in a fuel cell or fuel cell system: Methods including entering a diagnostic mode of a fuel cell in response to an asynchronous event are disclosed....

20060083963 - Hydrogen passivation shut down system for a fuel cell power plant: The invention is a hydrogen passivation shut down system for a fuel cell power plant (10). An anode flow path (24) is in fluid communication with an anode catalyst (14) for directing hydrogen fuel to flow adjacent to the anode catalyst (14), and a cathode flow path (38) is in...

20060083962 - Proton-conductive composite electrolyte membrane and producing method thereof: A composite electrolyte membrane of the present invention includes a porous body composed of an inorganic substance and an electrolyte material. The porous body includes therein plural spherical pores in which a diameter is substantially equal, and communicating ports each allowing the spherical pores adjacent to each other to communicate...

20060083964 - Energy conversion system as well as reformer device and fuel cell device therefore: An energy conversion system is provided having a reformer device and a fuel cell device which is arranged behind the reformer device, the reformer device has at least one fuel feeding pipe and one air feeding pipe. The reformer device includes a reformer, wherein a reformate heat exchanger is arranged...

20060083966 - Fuel cell unit and method for controlling liquid volume: A fuel cell unit including: a fuel cell which generates water vapor; a mixing tank which mixes fuel and water so as to produce an aqueous fuel solution, the water in the mixing tank includes water generated by condensation of the water vapor; and a controller which controls the condensation...

20060083965 - Low voltage compressor operation for a fuel cell power system: An apparatus and method for operating a fuel cell power system utilizing a low voltage power source and system power to power an airmover. The fuel cell power system uses a low voltage power source to power the airmover during start-up and transitions to using system power to power the...

20060083968 - Fuel cell assembly operating method and fuel cell system: A method of operating a fuel cell assembly and a fuel cell system use a simple construction to restrain deterioration of power generating performance of a fuel cell assembly at a startup in a subfreezing environment. If an ignition switch is turned off is STEP 1, a control unit determines...

20060083967 - Fuel cell system: A fuel cell system has a fuel cell (1) performing power generation as a result of reactions in supplied gases, a humidifying device (34) for humidifying at least one supplied gas by using water from water tank (31), and a coolant temperature regulation device (21, 22, 25, 26, 27, 28,...

20060083969 - Coolant mixture separator assembly for use in a polymer electrolyte membrane (pem) fuel cell power plant: A liquid-gas separator assembly is used in separating gas bubbles from a liquid coolant which liquid coolant is used in a polymer electrolyte membrane (PEM) fuel cell power plant. The assembly includes a cylindrical housing containing a central tube which is surrounded by an annular chamber. The annular chamber is...

20060083973 - Fuel cells incorporating membranes: A fuel cell has an ion-conducting membrane comprising an ion-conducting region and a non-ion-conducting region. The ion-conducting region is formed by a plurality of ion-conducting passageways that extend through the membrane. The passageways are filled with ion-conducting material and may be surrounded by non-ion conducting material. The membrane may comprise...

20060083971 - Liquid materials for use in electrochemical cells: Disclosed is the use of liquid precursor materials to prepare a processible polymeric electrolyte, which can be used to form a proton exchange membrane for use in an electrochemical cell. Also disclosed is the use of liquid precursor materials to prepare a processible catalyst ink composition, which can be conformally...

20060083972 - Membranes and electrochemical cells incorporating such membranes: One aspect of the invention provides an ion-conducting membrane comprising an ion-conducting region and a non-ion-conducting region. The ion-conducting region is formed by a plurality of ion-conducting passageways that extend through the membrane. The passageways are filled with ion-conducting material and may be surrounded by non-ion conducting material. The membrane...

20060083970 - Solid oxide fuel cell and method for producing same: The present invention provides a solid oxide fuel cell with superior power generation characteristics even at lower temperatures (for example, in a range of 200° C. to 600° C. and preferably in a range of 400° C. to 600° C.) and a method for manufacturing the same. The solid oxide...

20060083975 - Fuel cell stack mock-up and pressure measuring instrument of fuel cell balance of plant using fuel cell stack mock-up: A pressure variation before and after providing hydrogen and oxygen to a fuel cell stack is measured substantially identically to the actual situation without using an actual fuel cell stack, thereby enabling to feasibly design a fuel cell Balance Of Plant (BOP) at low cost....

20060083974 - Heat conducting metal layer for ion conductor stack: The current invention relates to a means for improving heat removal from the inside of an electrochemical device to the outer surface so as to reduce thermal stresses in the device, thereby allowing for increased oxygen production. A means for conducting heat toward the outer edge is provided. The means...

20060083976 - Substituted nitrogen heterocycles as proton carriers for water-free proton exchange membranes for fuel cells: A fuel cell is provided comprising an anode, a cathode, a catalyst, and a polymer electrolyte membrane comprising a heterocyclic compound with a nitrogen heteroatom and at least one electron-withdrawing substituent. The fuel cell operates at temperatures above about 100° C., preferably above about 150° C. The heterocyclic compound is...

20060083977 - Fuel cell: A power generation cell includes an anode side seal member and a cathode side seal member. The anode side seal member is provided outside an anode of a membrane electrode assembly, and directly contacts a solid polymer electrolyte membrane. The cathode side seal member is provided outside the membrane electrode...

20060083978 - Sealing assembly for a fuel cell stack and method for manufacturing a fuel cell stack: In order to provide a sealing assembly for a fuel cell stack comprising a plurality of fuel cell units, which are arranged consecutively in a stacking direction, wherein each of the fuel cell units comprises a housing with at least one housing part made of a metallic material, which also...

20060083979 - Anode material for a high temperature fuel cell:

20060083980 - Secondary battery module: A secondary battery module comprises at least two battery cells laminated to a designated depth, in which an air guide block is interposed between leveled surfaces of the neighboring battery cells and a fixing block is interposed between protruded surfaces of the neighboring battery cells, the air guide blocks and...

20060083981 - Battery can and manufacturing method thereof and battery using the same: A battery can having an opening, with a cylindrical side wall and a bottom, is formed from a steel plate having a carbon content of 0.004% by weight or less. The battery can has necessary and sufficient corrosion resistance and can be manufactured at low costs....

20060083982 - Lithium ion secondary battery: A lithium ion secondary battery includes: an electrode assembly having first electrodes, second electrodes, and separators interposed between each of the first electrodes and each of the second electrodes; a can containing the electrode assembly; a cap assembly having a cap plate and a first electrode terminal having a first...

20060083983 - Secondary battery having an improved safety: Disclosed is a secondary battery. The secondary battery includes a battery can serving as a positive electrode terminal or a negative electrode terminal of the secondary battery, an electrically conductive substrate provided at an outer portion of the battery can, and a nonconductive film interposed between the battery can and...

20060083984 - Battery sheath having radiation layer formed thereon and lithium polymer battery using the same: A battery sheath having a radiation layer on its surface and a lithium polymer battery using the sheath are provided. The radiation layer improves radiation performance and mechanical strength of the battery, and also improves the response of a PTC device. The battery sheath comprises a metal layer having first...

20060083985 - Electrochemical cell having improved gasket: An electrochemical cell such as an alkaline battery has improved shelf-life and manufacturability. The cell has a gasket for sealing an open end of a metal container of the battery that forms a seal with a current collector shank of the battery without introducing cracks or other defects in the...

20060083987 - Battery: A battery capable of improving cycle characteristics is provided. An anode active material layer is alloyed with an anode current collector at least in part of the interface with the anode current collector. The anode active material layer contains silicon and oxygen as an element. The average oxygen content in...

20060083986 - Battery with tin-based negative electrode materials: An improved battery comprises a negative electrode having a tin-containing material supported by a support material, a positive electrode and an electrolyte (such as a molten salt electrolyte) located between the positive electrode and the negative electrode. The tin-containing material can separated from the electrolyte by a protection layer, which,...

20060083988 - Non-aqueous electrolyte secondary battery: A non-aqueous electrolyte secondary battery includes: a positive electrode capable of absorbing and desorbing lithium; a negative electrode capable of absorbing and desorbing lithium; a separator interposed between the positive electrode and the negative electrode; and a non-aqueous electrolyte. The positive electrode includes a composite oxide represented by formula (1):...

20060083989 - Lithium-nickel-cobalt-maganese containing composite oxide, material for positive electrode active material for lithium secondary battery, and methods for producing these: Coagulated particles of nickel-cobalt-manganese hydroxide wherein primary particles are coagulated to form secondary particles are synthesized by allowing an aqueous solution of a nickel-cobalt-manganese salt, an aqueous solution of an alkali-metal hydroxide, and an ammonium-ion donor to react under specific conditions; and a lithium-nickel-cobalt-manganese-containing composite oxide represented by a general...

20060083990 - Electrode active material and method of making the same: The invention provides an electrochemical cell which includes a first electrode and a second electrode which is a counter electrode to said first electrode, and an electrolyte material interposed there between. The first electrode includes an alkali metal phosphorous compound doped with an element having a valence state greater than...

20060083991 - Electrode active material with multi-element based oxide layers and preparation method thereof: Disclosed is an electrode active material comprising: (a) electrode active material particles capable of lithium intercalation/deintercalation; and (b) a multinary oxide coating layer partially or totally formed on the surface of the electrode active material particles, the multinary oxide coating layer comprising Al, P and a halogen element. A method...

20060083992 - Cyclic carbonate-modified organosilicon compound, non-aqueous electrolytic solution, secondary battery and capacitor: A cyclic carbonate-modified silane or siloxane is combined with a non-aqueous solvent and an electrolyte salt to form a non-aqueous electrolytic solution, which is used to construct a secondary battery having improved temperature and high-output characteristics....

20060078764 - Dissolved fuel alkaline fuel cell: A dissolved-fuel alkaline fuel cell that comprises four main components: a) a fuel anode; b) a first oxygen cathode; c) an electrolyte in ionic contact with the anode and the first cathode, wherein the electrolyte comprises an alkaline solution and a first fuel dissolved in the alkaline solution; and d)...

20060078763 - Electrochemical generator: The present invention discloses an electrochemical generator fed with reactant gases, and in particular a fuel cell fed with a hydrogen-containing gas and with air at near ambient pressure. The electrochemical generator is characterised by asymmetry of the pressure drops localised in the distributing and collecting channels, wherein, in particular,...

20060078765 - Nano-structured ion-conducting inorganic membranes for fuel cell applications: An inorganic proton-conducting membrane and a fuel cell comprising this membrane. The fuel cell comprises a fuel anode, an oxidant cathode, and an inorganic proton-conducting membrane disposed between the anode and the cathode. The membrane is composed of a nano-structured network of proton-exchange inorganic particles. The particles form a sufficiently...

20060078766 - Fuel cell design and control method to facilitate self heating through catalytic combustion of anode exhaust: A fuel cell system that provides a flow of anode exhaust gas into the cathode side of the fuel cells without allowing the anode exhaust gas flow and the cathode input flow to mix in a large volume. In one embodiment, strategically positioned perforations in the MEAs allow the anode...

20060078767 - Odorant, liquid fuel for fuel cell and fuel cell: An odorant having a high odor diffusing rate, a high tolerable factor of dilution and a low percent adsorption is provided and has a pyridine derivative and a steric compound. A liquid fuel for a fuel cell and a fuel cell are provided and each has the odorant....

20060078768 - Anode inlet unit for a fuel cell system: A fuel cell system that employs one or more injectors in an anode inlet unit for providing hydrogen flow control to a fuel cell stack in the system. At a low flow rate, the duty cycle of one of the injectors is controlled and the other injectors are closed. As...

20060078769 - Fuel cartridge and direct methanol fuel cell device: A fuel cell device comprising a fuel cell cartridge having a container for containing methanol mixed solution fuel and a direct methanol fuel cell on which the fuel cartridge is set the fuel cartridge being provided with a fuel injection nozzle on part of the container and a projection disposed...

20060078770 - Fuel cartridge for fuel cells, fuel cell, fuel cell power system and method of mounting a fuel cell cartridge on a fuel cell: The present invention aims at providing a fuel cell and a fuel cartridge in which a fuel contained in the fuel cartridge is determined to be appropriate for the fuel cell or not, and when it is appropriate, the connection of the fuel cartridge is mechanically made possible. A fuel...

20060078771 - Fuel cell system: The invention provides a reactant delivery system for a dead-headed PEM fuel cell system, comprising a fuel cell, a fuel supply, a purge valve, an inlet orifice, an outlet orifice, and a controller. A first fuel flow circuit is provided, wherein fuel is flowed from the fuel supply to the...

20060078773 - Method and system for controlling and recovering short duration bridge power to maximize backup power: A system for providing back-up power to a load powered by a primary power source comprises: a fuel cell arrangement for generating back-up power for the load, a bridging power source for generating bridge power for the load, and a controller in operable communication with the fuel cell arrangement and...

20060078772 - Power supply apparatus with fuel cell assembly: A power supply apparatus includes a fuel cell assembly, a feeding device, a blower, a detecting circuit and a converting circuit. The fuel cell assembly performs an electrochemical reaction to generate an input voltage. The feeding device has therein a fluid fuel and in fluid connection with the fuel cell...

20060078775 - Composite proton exchange membrane: An organic/inorganic composite proton exchange membrane (PEM) is disclosed. The PEM includes a proton exchange membrane and a particulate inorganic conductor filler material provided in the proton exchange membrane. The particulate inorganic conductor filler material imparts enhanced water retention capabilities to the PEM at high temperatures, as well as enhances...

20060078774 - Proton-conducting polymer membrane containing polyazole blends and application thereof in fuel cells: The present invention relates to a proton-conducting polymer membrane which comprises polyazole blends and is obtainable by a process comprising the steps A) preparation of a mixture comprising polyphosphoric acid, at least one polyazole (polymer A) and/or one or more compounds which are suitable for forming polyazoles under the action...

20060078776 - Bipolar plate with enhanced stability: An enhanced stability and inexpensive bipolar plate for a fuel cell is disclosed. The enhanced stability bipolar plate includes a bipolar plate substrate and a corrosion-resistant coating thermally sprayed on the bipolar plate substrate. A method for enhancing corrosion resistance of a bipolar plate is also disclosed....

20060078779 - Draining device for use with fuel cell system: A draining device for use with a fuel cell system includes a recovery tank, a water-absorbing article and a blower. The fuel cell system performs an electrochemical reaction to produce water and heat. The recovery tank is in communication with the fuel cell system and includes a plurality of openings...

20060078777 - Fuel cell housing: A housing for enclosing a fuel cell is shown and which is mounted on an adjacent enclosure having at least one substantially vertically disposed surface, and wherein the housing positions the fuel cell in spaced relation relative to an underlying supporting surface....

20060078778 - Fuel cell housing: A housing for enclosing a fuel cell is shown and which is mounted on an adjacent enclosure having at least one substantially vertically disposed surface, and wherein the housing positions the fuel cell in spaced relation relative to an underlying supporting surface....

20060078780 - Hydrogen passivation shut down system for a fuel cell power plant: The invention is a hydrogen passivation shut down system for a fuel cell power plant (10). An anode flow path (24) is in fluid communication with an anode catalyst (14) for directing hydrogen fuel to flow adjacent to the anode catalyst (14), and a cathode flow path (38) is in...

20060078781 - Curable subgasket for a membrane electrode assembly: A subgasket for a membrane electrode assembly is deposited on a surface of a MEA component and cured in situ. A membrane electrode subassembly includes a polymer electrolyte membrane, a gas diffusion layer and a catalyst layer between the polymer electrolyte membrane and the gas diffusion layer. The membrane electrode...

20060078782 - Single-pass, high fuel concentration, mixed-reactant fuel cell generator apparatus and method: A high concentration fuel mixed with oxidant is used to operate a fuel cell generator equipped with anode reaction and cathode reaction selective catalysts, wherein the fuel is substantially consumed in a single pass through the cells....

20060078783 - Gas blocking anode for a direct liquid fuel cell: An anode for a direct liquid fuel cell in which hydrogen gas is generated as a result of a fuel oxidation or decomposition reaction. The surface of the anode which is intended to face the electrolyte chamber of the fuel cell is substantially completely covered with a polymeric material which...

20060078784 - Gas diffusion electrode and method of making the same: A gas diffusion electrode and method of making the same. According to one embodiment, the electrode comprises a support layer, a first cushioning layer positioned on top of the support layer, a second cushioning layer positioned on top of the first cushioning layer, and a catalyst layer positioned on top...

20060078785 - Liquid feed fuel cell with nested sealing configuration: A direct formic acid fuel cell includes a cathode current collector having a perpendicularly extending edge that is capable of cooperating with the perpendicularly extending edge of an anode current collector to effect a press fit. The configuration seals fluids disposed within the volume formed between the current collectors....

20060078786 - Battery case internal ventilation structure for controlling the temperature therein: The present invention relates to a battery case internal ventilation structure for controlling the temperature therein, wherein the fan and a temperature controller get power directly from the cells inside the battery case, so they can be operated independently. Whatever the cells are in use, or not in use, or...

20060078787 - Nonaqueous electrolyte secondary battery: The invention provides a nonaqueous electrolyte secondary battery excellent in output characteristic such as large current discharge or pulse discharge in ordinary use, high in safety by preventing destruction due to suppression of current in an abnormality such as external short-circuiting, and further large in capacity. The nonaqueous electrolyte secondary...

20060078788 - Method for monitoring the operational state of a fuel cell stack: The invention relates to a method for monitoring the operational state of a fuel cell stack comprising a plurality of series-connected single cells. In order to significantly reduce measuring costs and apparatus a low-frequency current or voltage signal is impressed on the fuel cell stack and the resulting current or...

20060078789 - Battery comprising at least one electrochemical storage cell and a cooling device: A battery has at least one electrochemical storage cell and a cooling device. The at least one electrochemical storage cell is placed between parts of the cooling device. The cooling device is flown through by a liquid cooling medium. According to the invention, each electrochemical storage cell is accommodated inside...

20060078790 - Solid electrolytes based on lithium hafnium phosphate for active metal anode protection: Active metal electrochemical structure, in particular an active metal negative electrode (anode) protected with an ionically conductive protective architecture incorporating a glassy, ceramic or glass-ceramic solid electrolyte material based on lithium hafnium phosphate, and associated electrochemical devices and methods, provides advantages over conventional structures. The protective architecture prevents the active...

20060078791 - Separator provided with asymmetrical pore structures for an electrochemical cell: A separator for an electrochemical cell, comprising (A) a flexible perforate support, and (B) a porous ceramic material which fills the perforations in the support and is suitable for receiving an ion-conducting electrolyte, wherein the porous ceramic material comprises a first porous layer which is characterized by an average pore...

20060078792 - Electrolyte for lithium ion secondary battery and lithium ion secondary battery including the same: s

20060078793 - Battery: A battery capable of inhibiting swollenness of the battery is provided. A cathode and an anode are layered with a separator and an electrolyte layer in between. The anode contains an anode active material containing Sn or Si as an element. The electrolyte layer contains an electrolytic solution and a...

20060078794 - Nickel-metal hydride storage battery: Middle point voltage of discharge is increased and at the same time cycle life improved in a nickel-metal hydride storage battery having a negative electrode utilizing a rare earth-nickel hydrogen-absorbing alloy containing Mg and the like and having a crystal structure other than a CaCu5 structure. A nickel-metal hydride storage...

20060078795 - Nonaqueous electrolyte secondary battery: A nonaqueous electrolyte secondary battery comprising a positive electrode containing a positive electrode active material, a negative electrode containing a negative electrode active material, and a nonaqueous electrolyte is characterized in that the positive electrode active material is composed of a lithium trasition metal oxide having a layer structure and...

20060078796 - High power output non-aqueous electrolyte secondary battery: In a high power output non-aqueous electrolyte secondary battery including a negative electrode including a graphitizable carbon material, the physical properties of the graphitizable carbon material is controlled. In a X-ray diffraction pattern of the graphitizable carbon material, a ratio of a peak intensity I(101) attributed to a (101) plane...

20060078797 - Lithium ion battery and methods of manufacture: A lithium ion battery includes an anode, a cathode, and an electrolyte between the two. When the battery is in its initial charged state, as it is upon exiting the manufacturing process, the anode is composed of a first portion of lithium-deficient electrode material, and a second portion of lithium-rich...

20060078798 - Compound having a high conductivity for electrons, electrode for an electrochemical cell which comprises this compound, method for preparing an electrode and electrochemical cell: The invention relates to a compound having a high conductivity for electrons, characterized in that it is of the type ABCO(x-δ)Hal(y-ξ) with a potassium nickel fluorite structure, where x+y=4, and δ and ξ lie between −0.7 and +0.7, and wherein A comprises at least one metal selected from the group...

20060078799 - Nonaqueous secondary battery, constituent elements of battery, and materials thereof: By using vanadium oxide expressed as M2+xV4O11, where x is 0 or more to 1 or less, and M is a monovalent metal ion such as Cu and Li, as positive electrode, a nonaqueous secondary battery having high energy density and high repeating stability is obtained. Moreover, by using the...

20060078800 - Fluoropolymer dispersion and electrode composition containing same: A composition comprising an aqueous dispersion of fluoropolymer particles stabilized with a polyoxyethylene alkyl ether surfactant having a polydispersity index, Mw/Mn, of 1.15 or less, useful in compositions comprising electrode material....

20060078801 - Non-aqueous electrolyte, rechargeable lithium battery, and rechargeable battery system: A non-aqueous electrolyte having improved lithium ion conductivity and excellent voltage resistance is provided. A lithium rechargeable battery and a rechargeable battery system including the inventive non-aqueous electrolyte is also provided. The non-aqueous electrolyte includes at least one aromatic compound which is polymerizable at a working electrode potential of 4.2...

20060073363 - Fuel cell system, and failure diagnosing apparatus of the same: A fuel cell system includes: 1) a fuel gas circulating system; 2) a first pressure sensor for sensing a fuel cell inlet sensed pressure; 3) a second pressure sensor for sensing a fuel gas circulating system inlet sensed pressure; 4) a fuel gas circulating system inlet target pressure operator for...

20060073364 - Fuel cell system: The invention provides a reactant delivery system for a dead-headed PEM fuel cell system, comprising a fuel cell, a fuel supply, a purge valve, an inlet orifice, an outlet orifice, and a controller. A first fuel flow circuit is provided, wherein fuel is flowed from the fuel supply to the...

20060073365 - Fuel cell cartridge with reformate filtering: Described herein is a portable storage device that stores a hydrogen fuel source. The storage device includes a bladder that contains the hydrogen fuel source and conforms to the volume of the hydrogen fuel source. A housing provides mechanical protection for the bladder. The storage device also includes a connector...

20060073366 - Power generator by solid electrolyte fuel cell: The present invention is directed to a power generating apparatus that uses, as a power supply means, a flat plate-like solid electrolyte fuel cell of the type that directly utilizes a flame produced by burning a solid fuel. The solid electrolyte fuel cell comprises a cathode layer formed on one...

20060073367 - Fuel cell system: A fuel cell system of the present invention performs power generation stoppage control for stopping a power generating operation after generating power for making a temperature of a specified portion of a fuel cell be a specified value or greater when the power generating operation of the fuel cell is...

20060073368 - Fuel cell device: A fuel cell device includes a housing containing a fuel processor that generates fuel gas and a fuel cell having electrodes forming an anode and cathode, and an ion exchange electrolyte positioned between the electrodes. The housing can be formed as first and second cylindrically configured outer shell sections that...

20060073370 - Compositions containing modified fullerenes: Compositions containing modified fullerenes and their use, for example, as films for membranes in electrode assemblies for electrochemical cells and fuel cells such as fuel cells are described....

20060073369 - Sulfonated poly (arylene) films as polyelectrolyte membranes: wherein the groups Ar3 and Ar4 are independently selected from the group consisting of aryl rings, aryl ring systems, and thiophene rings, and where at least one of Ar3 and Ar4 is substituted with a sulfonate group. Films suitable for use as a polyelectrolyte membrane are prepared from the sulfonated...

20060073371 - Fuel sources, fuel cells and methods of operating fuel cells: Fuel sources, fuel cells and methods of operating fuel cells are disclosed. In one aspect, the invention features a fuel source for a fuel cell, including a housing made substantially from a fuel-permeable material, and a fuel in the housing...

20060073372 - Fuel cell system and stack used thereto: A stack for a fuel cell system including at least one electricity generating unit having a membrane electrode assembly and separators respectively disposed on both surfaces of the membrane electrode assembly, wherein gaskets are interposed on edges between the membrane electrode assembly and both of the separators, and wherein sealing...

20060073373 - Unitized electrochemical cell sub-assembly and the method of making the same: Disclosed is a unitized electrochemical cell sub-assembly having a first separator plate and a second separator plate that each has a first surface. A recess is located in at least one of the first surfaces to define a chamber adjacent the periphery of the plates when the plates face each...

20060073374 - Fuel cell stack: A fuel cell stack with a plurality of fuel cell elements which are layered on one another with separating plates located between the fuel cell elements. Inside channels are formed to supply a combustion gas and discharge the exhaust gas. The fuel cell stack is characterized in that, on a...

20060073375 - Lithium ion secondary battery having shape memory safety vent: A lithium ion secondary battery has a shape memory safety vent adapted to discharge internal compressed gas by temporarily being opened when the temperature reaches a predetermined level to avoid a swelling phenomenon of the battery and improve safety. The lithium ion secondary battery includes an electrode assembly having first...

20060073376 - Primary lithium batteries: A thermal battery for operation at temperatures below about 250° C. and preferably not above about 200° C. includes a primarily CFx cathode, an electrolyte, and a lithium-based anode. The electrolyte is an organoborate lithium salt or an ionically conductive solid polymer electrolyte....

20060073377 - Battery system thermal management: Power supply systems and associated methods of operation are provided based on the incorporation of a supply of phase change material in thermal contact with at least one cell element capable of a heat-generating charge or discharge of power. Also disclosed, such as for increased or improved heat transfer and...

20060073378 - Device for cooling batteries of an electronically and/or hybrid powered vehicle: The subject of the invention is a device for cooling batteries, particularly of an electric and/or hybrid vehicle. This device comprises a pair of compartments (1, 12) in communication with one another, including a first compartment (1) housing the batteries distributed among adjacent columns and a second compartment (12) housing...

20060073379 - Electric energy storage device and method of manufacturing the same: An the electric energy storage device includes a cylindrical rolling up electrode body, a cathode lead connecting plate, an anode lead connecting plate, a terminal plate, and a container. The rolling up electrode body includes a cathode and an anode leads formed by cathode and anode collectors. The cathode and...

20060073380 - Jelly-roll type electrode assembly, lithium secondary battery having the same, and method for manufacturing the same: A jelly-roll type electrode assembly, a lithium secondary battery having the same, and a method for manufacturing the same are provided. The electrode assembly comprises a deformation prevention core which simplifies the manufacture of a lithium secondary battery and prevents deformation of the electrode assembly. The electrode assembly comprises positive...

20060073381 - Separator for non-aqueous electrolyte cell: The invention relates to an incombustible separator for a non-aqueous electrolyte cell in which the separator itself does not burn even if the temperature inside the cell becomes high, and more particularly to a separator for a non-aqueous electrolyte cell made of a microporous film formed by a phosphazene derivative...

20060073382 - Sealed prismatic battery: A lid 3 that closes the upper surface of the opening of a closed-bottom prismatic tubular battery can 1, an electrode body 2 accommodated in the battery can 1, a negative terminal 12 penetratively fastened to the lid 3, an insulating plate 11 placed on the lower surface side of...

20060073384 - Battery pack case: A battery pack case adapted to enclose a protective circuit module and a bare cell includes at least one small opening arranged on a side to expose an external terminal of the protective circuit module and a large opening arranged in the opposite direction to the small opening to expose...

20060073383 - Battery sheath and lithium polymer battery using the same: A battery sheath having enough mechanical strength to stably protect a battery from external impact is provided. The battery sheath also has reduced thickness, thereby increasing battery capacity. In addition, the battery sheath suppresses swelling, thereby preventing battery deformation. The battery sheath includes a base layer having a first surface...

20060073385 - Novel sealant material for electrochemical cell components: Multipurpose sealing adhesive materials for sealing different components of an electrochemical cell are provided. The sealing materials are acid, acid anhydride, acid ester or metallocene modified polyolefins that are capable of providing multiple sealing functionalities in a heat activated sealing process. These sealing polymers are capable of adhering to plain...

20060073386 - Single component sulfur-based cathodes for lithium and lithium-ion batteries: The present invention pertains to the selection of cathode materials. The cathode materials of concern are the conducting polymer or backbone and the redox active species or sulfur species. The selection of the materials is based on the characteristics of the materials relating to the other components of the batteries...

20060073387 - Negative electrode for lithium secondary battery, method for producing same, and lithium secondary battery using same: A lithium secondary battery includes a positive electrode, a negative electrode and nonaqueous electrolyte, wherein the negative electrode includes a negative active material and a binder, the negative active material comprises graphite A and graphite B, shapes of primary particles of the graphite A are spherical or elliptical, an average...

20060073388 - Rechargeable battery and method for fabricating the same: An inorganic solid electrolytic rechargeable battery capable of offering excellent battery characteristics is disclosed. The battery has positive and negative electrodes and an inorganic electrolyte interposed therebetween. The positive and negative electrodes are each made up of an active material layer and a current collector layer. The positive electrode collector...

20060073389 - Separator for battery and lithium ion battery using the same: A battery separator of the invention is obtained by press forming a meltblown nonwoven fabric comprising 4-methyl-1-pentene polymer or a 4-methyl-1-pentene/α-olefin copolymer, the battery separator having an average fiber diameter of 0.8 to 5 μm, a basis weight of 9 to 30 g/m2, a porosity of 30 to 60%, and...

20060073390 - Solid electrolyte: The present invention provides a material capable of demonstrating a higher ion conductivity. The present invention relates to a solid electrolyte substantially comprising a crystal body represented by a chemical formula (RM) (QO4)3 (here, R is at least one species of Zr and Hf, M is at least one species...

20060073391 - Electrolyte for lithium ion secondary battery and lithium ion secondary battery including the same: The electrolyte for a lithium ion secondary battery includes a lithium salt, a non-aqueous organic solvent, gamma-butyrolactone and a wettability activator. The electrolyte for a lithium ion secondary battery provides excellent life characteristics and high-temperature stability and shows improved electrolyte pourability....