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Chemistry: Electrical Current Producing Apparatus, Product, And Process > Fuel Cell, Subcombination Thereof Or Methods Of Operating > Solid Electrolyte

Solid Electrolyte

Solid Electrolyte patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

06/07/07 - 20070128489 - Film electrode junction for fuel cell and fuel cell
The object of the invention is to improve the output performance of a fuel cell. The object is attained by a film electrode junction, characterized in that it comprises a polymer electrolyte film and a cathode electrode and an anode electrode between which the polymer electrolyte film is interposed, the ...

05/31/07 - 20070122672 - Fuel cell
A fuel cell including a absorbing member is provided to improve performance and reliability of the fuel cell. The fuel cell includes an electricity generation unit and a medium member. The electricity generation unit includes a fuel supply unit, and a membrane electrode assembly (MEA), absorbing member, and air supply ...

05/24/07 - 20070116999 - Manufacture of fuel cell
A fuel cell is manufactured using a polymer electrolyte membrane (1). A catalyst layer (12) is formed at fixed intervals on the surface of the strip-form polymer electrolyte membrane (1) in the lengthwise direction thereof, and conveyance holes (10) are formed in series at fixed intervals on the two side ...

05/10/07 - 20070104991 - Solid oxide fuel cell device and system
The invention provides a solid oxide fuel cell device and a fuel cell system incorporating a plurality of the fuel devices, each device including an elongate substrate the length of which is the greatest dimension such that the elongate substrate has a coefficient of thermal expansion having only one dominant ...

04/26/07 - 20070092775 - Solid oxide fuel cell and separator
A solid oxide fuel cell is formed by arranging a fuel electrode layer and an air electrode layer on both surfaces of a solid electrolyte, respectively, a fuel electrode current collector and an air electrode current collector outside the fuel electrode layer and the air electrode layer, respectively, and separators ...

04/19/07 - 20070087244 - Membrane-electrode assembly, polymer membranes for a membrane-electrode assembly, polymer electrolyte fuel cells, and methods for the production thereof
A membrane-electrode assembly and polymer electrolyte fuel cells and methods of production thereof, in which a polymer membrane, containing at least one basic polymer membrane, is sandwiched between two flat gas diffusion electrodes each of which is loaded with a dopant, whereby after reaching a mass transport equilibrium for the ...

04/12/07 - 20070082246 - Polymer membrane for fuel cell, method of preparing the same, membrane-electrode assembly including the same, and fuel cell system including the same
The present invention relates to a polymer electrolyte membrane for a fuel cell, a method for manufacturing the polymer electrolyte membrane, a membrane-electrode assembly for a fuel cell including the polymer electrolyte membrane, and a fuel cell system including the membrane-electrode assembly. The polymer electrolyte membrane includes a proton-conductive polymer ...

04/05/07 - 20070077476 - Paste for solid oxide fuel cells, anode-supported solid oxide fuel cells using the same, and fabricating method thereof
The present invention discloses a paste for screen printing which is used in a process of fabricating an anode functional layer, an electrolyte layer and a cathode layer of an anode-supported solid oxide fuel cell. The paste for the solid oxide fuel cell contains raw material powder of each layer, ...

04/05/07 - 20070077475 - Reinforced membrane electrode assembly
The present invention is directed to addressing performance issues attributable to membrane electrode assemblies, and the components thereof, in electrochemical conversion cells. In accordance with one embodiment of the present invention, a device comprising at least one electrochemical conversion cell is provided. The cell is configured to convert first and ...

03/29/07 - 20070072033 - Apparatus for controlling operation of fuel cell system and method thereof
An apparatus for controlling operation of a fuel cell system and a method thereof. The apparatus comprises a power generation amount controlling unit for generating a user's heat usage pattern and outputting a power generation amount controlling signal for controlling a power generation amount of a fuel cell based on ...

03/29/07 - 20070072032 - Fuel cell with a large exchange surface area
A support wafer made of silicon wafer comprising, on a first surface a porous silicon layer having protrusions, porous silicon pillars extending from the porous silicon layer to the second surface of the wafer, in front of each protrusion. Layers constituting a fuel cell can be formed on the support ...

03/22/07 - 20070065698 - Fuel cell built-in serial/parallel connecting mechanism
The present invention is a fuel cell having built-in serial/parallel connecting mechanism. The anode circuit board comprises anode current collection circuitries and anode solder pads placed on the peripheral of the anode circuit board. The cathode circuit board comprises cathode current collection circuitries and cathode solder pads placed on the ...

03/22/07 - 20070065697 - Fuel cell having serial/parallel connecting mechanism of golden finger
The present invention is a fuel cell having serial/parallel connecting mechanism of golden finger. The anode circuit board comprises anode current collection circuitries and one anode golden finger. The anode current collection circuitries are electrically connected to the anode golden finger. The cathode circuit board comprises cathode current collection circuitries ...

03/15/07 - 20070059575 - Fuel cell
A fuel cell includes a cathode catalyst layer, an anode catalyst layer, a proton-conductive membrane provided between the cathode catalyst layer and the anode catalyst layer, and a fuel transmitting layer that supplies a vaporized component of a liquid fuel to the anode catalyst layer. Water generated in the cathode ...

03/15/07 - 20070059574 - Polymer membrane for fuel cell, method of preparing the same, and stack for fuel cell and fuel cell system comprising the same
The polymer electrolyte membrane of the present invention includes a porous supporter having pores, and a metal ion adsorptive material and a proton conductive polymer which are present in the pores of the porous supporter. ...

03/15/07 - 20070059573 - Enhanced catalyst interface for membrane electrode assembly
A membrane electrode subassembly includes an ion conducting membrane and a microporous layer having microtextured surfaces. Complementary features of the microtextured surfaces may be formed as grooves, ridges, pyramids or other shapes. Features of the microtextured surface of the ion conducting membrane engage features of the microporous layer. The engagement ...

03/08/07 - 20070054169 - Ceramic membranes with integral seals and support, and electrochemical cells and electrochemical cell stacks including the same
Ceramic membranes with integral seals and support, and related electrochemical cells and cell stacks. The membrane comprises a thin electrolyte layer supported on a porous electrode layer which in turn is supported on a thick ceramic support layer, preferably a ceramic electrolyte support. The support layer is divided into a ...

03/01/07 - 20070048577 - Scalable microbial fuel cell with fluidic and stacking capabilities
A fuel cell having: a proton exchange membrane; anode and cathode housings containing chambers; a three-dimensional anode and cathode. Each housing may have a feed passage, a waste passage, and two through passages. The anode feed passage and the anode waste passage are each coupled to the anode chamber and ...

02/15/07 - 20070037030 - Fuel cell and method of manufacturing the fuel cell
A fuel cell is provided, in which the generation of hydrogen, which is one cause of degradation of the cell characteristics, is controlled, thus preventing the degradation of the electrolyte member and maintaining stable cell characteristics for a long time. The fuel cell has a fuel pole, an oxidizer pole ...

02/15/07 - 20070037029 - Fuel cell membrane and fuel cell system with integrated gas separation
The present invention provides a protonically conductive membrane for use in a direct methanol fuel cell wherein a portion of said protonically conductive membrane conducts protons from the anode face of the membrane to the cathode face of the protonically conductive membrane, and a portion of which evolves gas from ...

02/01/07 - 20070026282 - Polymer electrolyte membrane, process for production thereof, polymer electrolyte, electrolyte composition, membrane-electrode assembly, and fuel cell
The polymer electrolyte membrane of the present invention is constituted of a block copolymer having an ion-conductive block. In the membrane, the ion-conductive block 12 forms ion-conductive domains 14 in a cylindrical shape arranged parallel to the thickness direction d of the polymer electrolyte membrane. The polymer electrolyte membrane has ...

01/25/07 - 20070020496 - System of distributed electrochemical cells integrated with microelectronic structures
An electrochemical cell includes an anode half-cell and a cathode half-cell. A separator, such as a membrane, is formed between the two half-cells, and a gate electrode may be configured to influence the properties of the separator. Electricity is generated by flowing a liquid fuel through conduits, while applying an ...

01/11/07 - 20070009777 - Membrane electrode complex and solid type fuel cell using it
in which Wnf represents the unfreezable water content per 1 g of the polymer electrolytic material in dry state and Wfc represents the low freezing point water content per 1 g of the polymer electrolytic material in dry state. ...

01/11/07 - 20070009776 - Continuous process for producing polymer electrolyte membrane and apparatus therefor
to the coated porous substrate. According to the present invention, a polymerelectrolyte composite membrane in which wrinkling and the like are suppressed and whose appearance is excellent can be continuously produced. ...

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12/28/06 - 20060292415 - Polymer membrane and membrane-electrode assembly for fuel cell and fuel cell system comprising same
The polymer electrolyte membrane of the present invention includes a proton conductive cation exchange resin, a non-proton-conductive polymer, and an inorganic additive. The inorganic additive is adapted to inhibit a phase separation between the proton conductive cation exchange resin and the non-proton-conductive polymer. ...

12/28/06 - 20060292414 - Polymer electrolyte for a fuel cell, a method of producing the same, and a fuel cell system comprising the same
A polymer electrolyte membrane for a fuel cell includes an ion exchange resin membrane, and an electric conductive polymer. The electric conductive polymer is present along a thickness direction of the ion exchange resin membrane from one side of the ion exchange resin membrane to the interior of the ion ...

12/28/06 - 20060292413 - Fuel cell and method for producing same
The fuel cell comprises a porous electrically-conductive material (13) as a substrate, a protonically-conductive membrane (16) formed on the porous electrically-conductive material (13) made of a mesoporous thin film comprising as a main component a crosslinked structure having a metal-oxygen skeleton having an acid group connected to at least a ...

12/21/06 - 20060286423 - Gas composition monitoring arrangement
A gas composition monitoring arrangement for a module 2 used in a solid oxide fuel cell comprises provision of an optically transparent window 4 in the end of a gas flow channel 3 formed in that module 2. Thus, the window 4 allows passive and active optical gas analysis of ...

12/21/06 - 20060286422 - Membrane electrode assembly, fuel cell stack, fuel cell system and method of manufacturing membrane electrode assemblies
A membrane electrode assembly (MEA) is structured such that an anode is joined, via a carbon layer, to one surface of a solid polymer electrolyte membrane containing PBI and phosphoric acid and a cathode is joined to the other surface. The carbon layer is constituted by carbon powder and a ...

12/14/06 - 20060280981 - Polymer electrolyte membrane having an improved dimensional stability
The invention provides anisotropic polymer electrolyte membranes that can be used to fabricate catalyst coated membranes (CCM's) and membrane electrode assemblies (MEA's) that are useful in fuel cells. ...

12/14/06 - 20060280980 - Membrane electrode assembly (mea), methode for its manufacturing and a method for preparing a membrane to be aassembled in a mea
A method for preparing a membrane to be assembled in a membrane, electrode assembly includes the step of swelling an ion-conducting membrane in a liquid containing at least one solvent or to an atmosphere containing the vapor phase of at least one solvent by controlling the content of the solvent ...

11/30/06 - 20060269814 - Fuel cell membrane and fuel cells including same
A fuel-impermeable membrane for a fuel cell including a nano-film proton exchange membrane (PEM) having an energy loss of less than about 100 mA cm−2 of active surface area, and the energy efficient fuel cell formed therewith, and methods of making same. ...

11/30/06 - 20060269813 - Supported ceramic membranes and electrochemical cells and cell stacks including the same
A dense ceramic electrolyte membrane supported by symmetrical porous ceramic electrolyte layers. The thin (t<100 microns) electrolyte layer is sandwiched between two fugitive-containing electrolyte support layers that become highly porous after firing. The heat treated fugitive-containing support layers form a skeletal structure of strongly adhered electrolyte with an interpenetrating network ...

11/30/06 - 20060269812 - Process for producing a solid oxide fuel cell and product produced thereby
There is disclosed a process for forming a ceramic-based fuel cell by the use of electron beam vaporization of fuel cell components sequentially to form the anode, electrolyte and cathode elements under controlled processing conditions and the resulting ceramic-based fuel cell having anode and cathode layers of microporous columnar structures ...

11/23/06 - 20060263659 - Polymer electrolyte membrane and fuel cell using the polymer electrolyte membrane
A polymer electrolyte membrane, a method of preparing the polymer electrolyte membrane, and a fuel cell including the polymer electrolyte membrane are disclosed in which the polymer electrolyte membrane includes a porous polymer matrix, and an ionic conductive polymer layer coated on the external surfaces of single fibers and inside ...

11/16/06 - 20060257704 - Fuel cell
A fuel cell is made by laminating an anode channel 2 supplied with hydrogen or a hydrogen-containing gas gH, a cathode channel 3 supplied with oxygen or an oxygen-containing gas GO, and an electrolyte 4 arranged between the cathode channel and the anode channel. The electrolyte 4 is made by ...

11/16/06 - 20060257703 - Method for manufacturing solid oxide electrochemical devices
A method for manufacturing a solid oxide electrochemical device comprising disposing electrolyte between a first electrode and a second electrode, applying a bonding agent between the first electrode and a first interconnect, applying a sealing agent between the first electrode and the first interconnect, disposing a second interconnect adjacent to ...

11/09/06 - 20060251941 - Method for treating a fuel cell membrane, a fuel cell, and a conditioned fuel cell membrane
A method for treating a fuel cell membrane is described and which includes providing a fuel cell membrane which is not generating an electrical current output; and exposing the fuel cell membrane which is not generating an electrical current output to a nonambient environment which is effective to render the ...

11/02/06 - 20060246334 - Assembly structure for use in the fuel cell and assembly method thereof
The present invention discloses an assembly structure for use in the fuel cell, which includes a substrate and membranes. The substrate includes a plurality of jointed marks that are provided on the surface connected to the membranes or includes at least a pair of aligning marks that are provided on ...

10/26/06 - 20060240301 - Advanced membrane electrode assemblies for fuel cells
A method of preparing advanced membrane electrode assemblies (MEA) for use in fuel cells. A base polymer is selected for a base membrane. An electrode composition is selected to optimize properties exhibited by the membrane electrode assembly based on the selection of the base polymer. A property-tuning coating layer composition ...

10/19/06 - 20060234098 - Direct carbon fuel cell with molten anode
This invention discloses a method of converting carbon-containing materials directly to electrical energy without the need for intermediate processing steps. An embodiment comprises the use of a conductive molten medium with dispersed particles of carbon material as the anode in a fuel cell with a solid oxide electrolyte which enables ...

10/19/06 - 20060234097 - Self-healing membrane for a fuel cell
A self-healing membrane, especially for using in PEM fuel cells. The membrane comprises at least one porous material which is not ion-conductive and at least one polymer, ion-conductive electrolyte which has a higher melting point or decomposition point that the porous material which is not ion-conductive. If a hole, crack ...

10/12/06 - 20060228604 - Membrane, membrane electrode assembly having same, and method for making the membrane
The present invention relates to a membrane (100) for fuel cells, a method for making the same and a membrane electrode assembly. The membrane (100) includes a polymer base (110) and a metal layer (120) formed on the polymer base. The method for making the membrane includes the steps of ...

10/12/06 - 20060228603 - Fuel cell and membrane electrode assembly
A fuel cell has an anode, a cathode, and a polymer electrolyte membrane placed between the anode and the cathode. The anode includes a catalyst which is composed of binary or ternary particulates deposited on a carbon support. The particulate is represented by a general formula: Pt—P, wherein Ru is ...

10/05/06 - 20060222922 - Solid oxide fuel cell electrolyte and method
A method of making a solid oxide fuel cell electrolyte includes preheating a substrate on which an oxide electrolyte layer is to be deposited to a substrate temperature of about 1100° C. and above, impinging a surface of a source comprising the oxide with an electron beam in an evacuated ...

10/05/06 - 20060222921 - Fluoride ion scavenger for fuel cell components
A fuel cell having a polymer electrolyte membrane containing fluorine atoms distributed along the polymer chains, and metal conductors and/or catalysts, is protected from fluoride ion degradation of the metal components by a fluoride ion sequestering agent fixed in the cell or flowing through the cell. In a preferred embodiment, ...

10/05/06 - 20060222920 - Metal cations chelators for fuel cells
A fuel cell having a polymer electrolyte membrane containing fluorine atoms distributed along the polymer chains, and metal conductors and/or catalysts. The cell is protected from metal ion degradation of cell components, especially the polymer electrolyte, by a metal ion sequestering or chelating agent fixed in the cell or flowing ...

09/28/06 - 20060216563 - Electrolyte membrane, electrolyte membrane composite, method of manufacturing electrolyte membrane composite, electrolyte membrane-electrode assembly for fuel cell, method of manufacturing electrolyte membrane-electrode assembly for fuel cell, and fuel ce
An electrolyte membrane is for forming an electrode having a desired shape with high quality and highly efficient productivity. Masking members (12 and 13) having holes (12a and 13a) bored in a desired electrode shape are attached to at least one side of an electrolyte membrane (11) for a fuel ...

09/21/06 - 20060210857 - Electrochemical cell arrangement with improved mea-coolant manifold isolation
Typically a seal is arranged around each coolant manifold aperture on each plate included in an electrochemical cell stack. However, each coolant seal is susceptible to failure. Coolant leakage from a failed coolant seal around a coolant manifold aperture on a MEA sheet can be extremely harmful because, in many ...

09/14/06 - 20060204810 - Organic fuel cell methods and apparatus
A liquid organic, fuel cell is provided which employs a solid electrolyte membrane. An organic fuel, such as a methanol/water mixture, is circulated past an anode of a cell while oxygen or air is circulated past a cathode of the cell. The cell solid electrolyte membrane is preferably fabricated from ...

09/07/06 - 20060199060 - Power generating system using fuel cell
The present invention relates to a fuel cell power generating system wherein solid oxide fuel cells are installed in the fuel supply system and exhaust gas system of a fuel cell apparatus, thereby increasing the electric power that can be extracted. In this power generating system, a first solid oxide ...

09/07/06 - 20060199059 - Ion conductive polymer electrolyte and its membrane electrode assembly
A membrane electrode assembly comprising a solid proton conducting polymer membrane, an anode, a cathode, the anode and the cathode being on opposing surfaces of the membrane, and a catalyst layer in contact with each surface of the membrane, the assembly comprising a polymer electrolyte comprising a base polymer containing ...

09/07/06 - 20060199058 - Solid oxide fuel cell
The present invention provides an electrolyte membrane of a solid oxide fuel cell that excels in output performance. There is provided a solid oxide fuel cell comprising a single cell having an air electrode disposed on a surface of an electrolyte membrane and a fuel electrode disposed on the other ...

09/07/06 - 20060199057 - Solid oxide fuel cell
The present invention provides an electrolyte membrane of a solid oxide fuel cell that excels in output performance. There is provided a solid oxide fuel cell comprising a single cell having an air electrode disposed on a surface of an electrolyte membrane and a fuel electrode disposed on the other ...

08/31/06 - 20060194088 - Compound membrane and fuel cell using the same
A compound membrane that can connect the cells of planar array fuel cells in a simple manner is provided, along with a fuel cell that uses such a compound membrane to obtain any desired current and voltage. The compound membrane has a plurality of regions with different properties. The membrane ...

08/24/06 - 20060188767 - Fuel cells and fuel cell catalysts
A direct organic fuel cell includes a formic acid fuel solution having between about 10% and about 95% formic acid. The formic acid is oxidized at an anode. The anode may include a Pt/Pd catalyst that promotes the direct oxidation of the formic acid via a direct reaction path that ...

08/17/06 - 20060183011 - Solid polymer electrolyte composite membrane comprising porous ceramic support
A solid polymer electrolyte composite membrane and method of manufacturing the same. The composite membrane comprises a porous ceramic support having a top surface and a bottom surface. The porous ceramic support may be formed by laser micromachining a ceramic sheet or may be formed by electrochemically oxidizing a sheet ...

08/03/06 - 20060172167 - Thin film fuel cell electrolyte and method for making
An electrolyte has a core and at least one projection extending from the core. The core is supported on a substrate, and the at least one projection is separated from the substrate. ...

08/03/06 - 20060172166 - Solid-oxide fuel cell and method for producing the same
A solid oxide fuel cell with an electrolyte layer on a porous primer having an electrolyte material. For the electrolyte layer, nanoparticles are preferably used. As a result of sintering at a relatively low temperature, the nanoparticles lead to a thin gas-tight electrolyte layer. ...

07/27/06 - 20060166064 - Sub-micron solid oxide electrolyte membrane
This document describes the nano-scaling effects of solid-state oxygen-ion conductors when the thickness of an ionic conductor membrane as well as size of the grains within the membrane are scaled down to less than 200 nm. By using such solid-state oxygen-ion conductor membranes as solid-state electrolytes, the performances of solid-state ...

07/27/06 - 20060166063 - Electric motive power system for a motor vehicle, and method for using a fuel-cell
An electric motive power system for a motor vehicle including a fuel cell having at least one set of two electrodes each provided with an electrode input and output, an electrolytic membrane being located between the two electrodes. The electrolytic membrane includes proton conductive charges distributed in the thickness of ...

07/20/06 - 20060159972 - Polymer electrolyte composite film, method for production thereof and use thereof
A polymer electrolyte composite film which comprises a porous base material and, provided in fine pores thereof, a polymer electrolyte comprising a hydrophilic moiety and a hydrophobic moiety, the hydrophilic and hydrophobic moieties of said polymer electrolyte satisfy the following formula (1): a+b≦d (1) [wherein, a represents the size of ...

07/20/06 - 20060159971 - Metal component for fuel cell and method of manufacturing the same, austenitic stainless steel for polymer electrolyte fuel cell and metal component for fuel cell material and method of manufacturing the same , corrosion-resistant conductive component and
An Au plated film 12 is formed on the surface of a plate-formed metal base 13 composed of a metal less noble than Au, and the product is cut along a planned cutting line 18 reflecting a contour of a desired component, to thereby form a separator 10. Thus-formed separator ...

07/13/06 - 20060154128 - Polymer electrode membrane for fuel, and membrane-electrode assembly and fuel cell system comprising the same
The present invention provides a polymer electrolyte membrane for a fuel cell, including a porous membrane including ceramic fibers crisscrossed in a network and pores formed by the ceramic fibers coalesced at intersection points, and a proton conductive polymer inside the pores. ...

07/13/06 - 20060154127 - Membrane electrode assembly, production method for the same, and proton-exchange membrane fuel cell
The membrane electrode assembly of the present invention for the proton-exchange membrane fuel cell includes a polymer electrolyte membrane and an electrode catalyst layer, wherein at least a part of the polymer electrolyte membrane infiltrates into the electrode catalyst layer, and wherein the polymer electrolyte membrane is formed by polymerizing ...

07/06/06 - 20060147777 - Liquid fuel mixing apparatus and direct liquid feed fuel cell system including the same
A liquid fuel mixing apparatus includes a water chamber, a fuel chamber, and a partition arranged substantially vertically between the water chamber and the fuel chamber. The partition includes a passage to permit communication between the water chamber and the fuel chamber. The water chamber includes a first port for ...

07/06/06 - 20060147776 - Fuel cell system
A fuel cell system comprises a liquid storage section for storing a reacting solution, a reacting section for generating reacting gas from the reacting solution, a gas storage section for storing the reacting gas supplied from the reacting section, and a fuel cell for generating electricity while the reacting gas ...

06/29/06 - 20060141314 - Membrane-electrode assembly and fuel cell system comprising the same
The present invention relates to a membrane-electrode assembly and a fuel cell system including an anode and a cathode facing each other, the polymer electrolyte membrane being interposed between the anode and the cathode, and the membrane-electrode assembly including an amphiphilic block copolymer including a hydrophobic block and a hydrophilic ...

06/29/06 - 20060141313 - Proton conductive film, method for producing the same, and fuel cell using same
The proton conducting membrane of the present invention is a proton conducting membrane having particles 1 comprising a metal-oxygen crosslinked structure and the particles 1 have an acid group such as sulfonic acid group incorporated in the surface thereof and form a continuity. The gap 2 between the particles is ...

06/22/06 - 20060134488 - Electrolyte sheet with a corrugation pattern
An electrolyte sheet comprises a substantially non-porous body and has at least one stress-relief area on at least a portion of the electrolyte sheet. The stress-relief area has a surface with a plurality of smoothly domed cells. ...

06/22/06 - 20060134487 - Methods to control water flow and distribution in direct methanol fuel cells
A direct methanol fuel cell unit is provided with a fuel cell including an anode, a cathode with a hydrophobic microporous layer, an electrolyte membrane put in-between, and a fuel supply path supplying fuel to the anode. The fuel supply path is provided with an upwind water barrier preventing back-diffusion ...

06/15/06 - 20060127724 - Polymer electrolyte fuel cell
The polymer electrolyte fuel cell of the present invention is equipped with a cell having an MEA having a hydrogen ion-conducting polymer electrolyte membrane and an anode and a cathode sandwiching the polymer electrolyte membrane; a platelike anode-side separator positioned on one side of the MEA so that the front ...

06/08/06 - 20060121327 - Compound for a solid oxide fuel cell stack gasket
In a solid-oxide fuel cell assembly comprising a plurality of components having electrically-conductive mating surfaces therebetween, the surfaces are sealed by an electrically insulating gasket that include a mineral composition comprising about 66 mol % MgO and about 33 mol % SiO2, the mineral composition being known mineralogically as forsterite. ...

05/25/06 - 20060110643 - Fuel cell and cell fastening pins
A fuel cell has a unit cell in which a membrane electrode assembly, in which a pair of electrodes are provided on either side of an electrolyte membrane, is provided between a first separator and a second separator. Pin insertion holes are respectively provided in a plurality of portions in ...

05/18/06 - 20060105215 - Novel membrane and membrane electrode assemblies
An ion exchange membrane for use in an electrochemical cell is described. The ion exchange membrane includes: (i) a first layer capable of conducting ions when placed between two electrodes of the electrochemical cell; and (ii) a second layer disposed around at least a portion of the first layer, wherein ...

05/18/06 - 20060105214 - Preconditioning fuel cell membrane electrode assemblies
A method is presented for preconditioning fuel cell membrane electrode assemblies for use in fuel cell systems which includes exposure to saturated steam at superatmospheric pressures, typically for at least 10 minutes and more typically at least 25 minutes. Typically, the preconditioning method according to the present invention results in ...

05/11/06 - 20060099473 - Solid oxide fuel cell
A solid oxide fuel cell (10) comprises an anode electrode (12), a cathode electrode (14) and an electrolyte (16) between the anode electrode (12) and the cathode electrode (14). A gaseous fuel is supplied to an anode chamber (18) partially defined by the anode electrode (12) and a gaseous oxidant ...

05/04/06 - 20060093883 - Polymer electrolyte membrane fuel cell stack
A fuel cell includes a stack of electrolyte membranes joined to one another to form an interior space and an exterior space. Fuel, such as hydrogen, is provided to the interior space. The electrolyte membranes are circular and joined to adjacent membranes at the outer perimeters to enclose the interior ...

04/27/06 - 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 ...

04/20/06 - 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 ...

04/20/06 - 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 ...

04/20/06 - 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 ...

04/20/06 - 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 ...

03/30/06 - 20060068253 - Gas barrier for electrochemical cells
A membrane-electrode-assembly (MEA) for an electrochemical cell employing a gas is disclosed. The MEA includes a proton exchange membrane, a first electrode disposed on one side of the membrane, a second electrode disposed on the opposite side of the membrane, and a metallic layer disposed between the membrane and the ...

03/23/06 - 20060063053 - Direct methanol fuel cell, method for detecting fuel level, and method for detecting methanol concentration
The present invention provides a direct methanol fuel cell in which an amount of liquid fuel having methanol aqueous solution changed to acidic is manageable, a method for detecting a liquid level, and a method for detecting a methanol concentration. For the liquid fuel, the fuel in which a pH ...

03/23/06 - 20060063052 - Design and synthesis of guest-host nanostructures to enhance ionic conductivity across nanocomposite membranes
An ion conducting membrane has a matrix including an ordered array of hollow channels and a nanocrystalline electrolyte contained within at least some or all of the channels. The channels have opposed open ends, and a channel width of 1000 nanometers or less, preferably 60 nanometers or less, and most ...

03/16/06 - 20060057448 - Electrolyte membrane for fuel cells, its production and fuel cell using the same
The present invention provides an electrolyte membrane for a fuel cell that has a minute projection cluster on one side or both sides of a polymer electrolyte membrane. Further, the present invention provides a production method of an electrolyte membrane for a fuel cell, wherein a mold comprising convex portions ...

03/09/06 - 20060051642 - Solid oxide fuel cell system
The present invention provides a solid oxide fuel cell system, which comprises a central support means, a fixture means, a current collection means, a manifold, and at least one fuel cell means, wherein the fuel cell means and the current collection means are moveable in the direction parallel to the ...

03/09/06 - 20060051641 - Honeycomb type solid electrolytic fuel cell
A SOFC type fuel cell being small in size and large in output while providing good efficiency and being excellent in starting characteristics and load variation characteristics, is presented. A honeycomb type solid-oxide fuel cell is formed of a honeycomb structural body having square cell in cross section, wherein cells ...

03/02/06 - 20060046121 - Membrane-electrode assembly for polymer electrolyte fuel cells, and polymer electrolyte fuel cell
The present invention provides a membrane-electrode assembly for polymer electrolyte fuel cells and a polymer electrolyte fuel cell having excellent dimensional stability and mechanical strength, and having high durability at the time of a power generation. Each of polymer electrolyte membranes (111, 211, 311) have a region 1 having proton ...

03/02/06 - 20060046120 - Constituents and methods for protecting fuel cell components, including pems
A fuel cell comprising a membrane electrode assembly (MEA) that is made up of a membrane sandwiched between first and second electrodes, a contaminant peroxide, damaging to the MEA, and at least one constituent with the contaminant peroxide that prevents, or at least inhibits, decomposition of at least one of ...

03/02/06 - 20060046119 - Surface electrolyte for fuel cell (sefc)
A fuel cell for producing electrical energy includes an electrolyte made of an electro-osmotic material. Specifically, the material is porous silica with pores having diameters around ten nanometers. Further, the electrolyte is formed as a plate having a thickness of approximately fifty microns. A porous silicon anode and a porous ...

02/23/06 - 20060040156 - Fuel cell stack, fuel cell system, and manufacturing method of fuel cell stack
The technique of the invention prepares a thin electrolyte layer without causing cracks. An electrolyte membrane 30 includes a dense inorganic electrolyte layer 36 formed on a dense base member 31. Each unit fuel cell includes the electrolyte membrane 30, a fuel electrode, and an oxygen electrode. Multiple unit fuel ...

02/23/06 - 20060040155 - Pre-treatment method for membrane electrode assembly
A method for pre-treating a membrane electrode assembly (MEA) for a fuel cell is disclosed. According to the method of the invention, the MEA is subjected to multiple wet/dry cycles prior to assembly of the MEA into the fuel cell stack. The pre-treatment wet/dry cycles of the present invention eliminate ...

02/09/06 - 20060029852 - Catalyst for fuel cell, membrane-electrode assembly, method of manufacturing the assembly, and fuel cell using the assembly
A membrane-electrode assembly comprising a cathode catalyst layer for reducing an oxidant gas, a polymer electrolyte membrane and an anode catalyst layer, the polymer electrolyte membrane being sandwiched between the catalyst layers, wherein the cathode catalyst layer exhibits super-water-repellency. The disclosure is also concerned with a method of manufacturing the ...

02/09/06 - 20060029851 - Fuel cell with electroosmotic pump
Water flooding at the cathode of a fuel cell is a common problem in fuel cells. By integrating an electroosmotic (EO) pump to remove product water from the cathode area, fuel cell power can be increased. Integration of EO pumps transforms the designs of air channel and air breathing cathodes, ...

02/09/06 - 20060029850 - Fuel cell assembly with structural film
An assembly for use in a fuel cell comprising a first membrane having an inner portion and an outer peripheral portion; a second membrane having a corresponding inner portion to the inner portion of the first membrane, and a corresponding outer peripheral portion to the outer peripheral portion of the ...

01/19/06 - 20060014065 - Membrane electrode unit comprising a polyimide layer
The present invention relates to membrane electrode assemblies comprising two electrochemically active electrodes separated by a polymer electrolyte membrane, there being a polyimide layer on each of the two surfaces of the polymer electrolyte membrane that are in contact with the electrodes. The present membrane electrode assemblies may be used ...

01/05/06 - 20060003214 - Polymer electrolyte membrane for fuel cell and method for preparing the same
A polymer electrolyte membrane for a fuel cell includes a porous membrane forming micropores. Proton-conducting polymers fill the micropores of the porous membrane. In addition, a method for preparing the polymer electrolyte membrane includes: preparing a porous membrane having a plurality of micropores; and filling the micropores with proton-conducting polymer. ...

01/05/06 - 20060003213 - Electrolyte sheet with a corrugation pattern
An electrolyte sheet comprises a substantially non-porous body and has at least one stress-relief area on at least a portion of the electrolyte sheet. The stress-relief area has a surface with a plurality of folds. The plurality of folds are arranged around and directed longitudinally toward a common central area. ...

01/05/06 - 20060003212 - Polymer electrolyte membrane, membrane-electrode assembly, fuel cell system, and method for preparing the membrane-electrode assembly
A polymer electrolyte membrane for a fuel cell includes a proton conductive polymer membrane and proton conductive microfibers coated on either side of the proton conductive polymer membrane. ...

01/05/06 - 20060003211 - Non-humidified polymer electrolyte
The present invention provides a novel non-humidified polymer electrolyte and a fuel cell including the same. The non-humidified polymer electrolyte comprises an ion medium comprising an organic compound that has a boiling point greater than 100° C. and a dielectric constant greater than 3. The non-humidified polymer electrolyte further comprises ...

01/05/06 - 20060003210 - Solid polymer electrolyte membranes
The present invention relates to solid polymer electrolyte membranes (SPEMs) which include a co-processed mixture of a substrate polymer and an ion-conducting material membrane, or more preferably include a membrane comprising a polymer blend of a substrate polymer and an ion-conducting material. SPEMs of the present invention are useful in ...

12/08/05 - 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 ...

12/08/05 - 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 ...

11/17/05 - 20050255355 - Single cell for a solid oxide fuel cell
A single cell for SOFC operating at low temperatures, excellent in generating performance and reliability even in a low-temperature region of the order of 600 to 900° C., and in adhesion to a separator with low current-collecting loss when used in SOFC. The cell has a first solid electrolyte with ...

10/27/05 - 20050238936 - Membrane-electrode assembly for fuel cell and fuel cell system comprising the same
The present invention provides a membrane-electrode assembly for a fuel cell and a fuel cell system comprising the same. The membrane-electrode assembly includes a catalyst layer formed on both sides of a polymer electrolyte membrane, a platinum (Pt)-metal alloy catalyst included in the catalyst layer, wherein the alloy catalyst shows ...

10/20/05 - 20050233194 - Formed product for electrolytic capacitor anode element, formed product with substrate, method for manufacture thereof and method for manufacturing electrolytic capacitor anode element
The present invention provides a molding having excellent workability and a production method therefore. In addition, the present invention provides a molding with which a capacitor element having excellent electric properties can be obtained, and which has excellent workability that can be used to make a porous anode element for ...

10/13/05 - 20050227133 - Use of sulfur-containing fuels for direct oxidation fuel cells
The invention relates to a solid oxide fuel cell which comprises a solid electrolyte comprised of an electronic insulator which allows transfer of anions, a ceramic-metal composite anode and, a cathode. The fuel cell also comprises a sulfur-containing hydrocarbon fuel having a sulfur content of from about 1 ppm to ...

10/13/05 - 20050227132 - Composite electrolyte membrane, catalyst-coated membrane assembly, membrane-electrode assembly and polymer electrolyte fuel cell
To provide a polymer electrolyte membrane having excellent size stability and excellent mechanical strength that can sufficiently prevent the size change due to the swelling condition, the displacement of the polymer electrolyte membrane and the formation of wrinkles during the production of the polymer electrolyte fuel cell, and can prevent ...

09/29/05 - 20050214612 - Solid state electrochemical composite
Provided is a composite electrochemical device fabricated from highly electronically conductive materials such as metals, metal alloys, or electronically conductive ceramics. The electronic conductivity of the electrode substrate is maximized. The invention allows for an electrode with high electronic conductivity and sufficient catalytic activity to achieve high power density in ...

09/29/05 - 20050214611 - Polymer membrane, process for its production and membrane-electrode assembly for solid polymer electrolyte fuel cells
The present invention provides a polymer membrane mainly made of an ion exchange resin which further comprises melt-spun fluororesin fibers such as fibers made of an ethylene-tetrafluoroethylene copolymer, a polyvinylidene fluoride or the like, having fiber diameters of from 0.01 to 20 μm, fiber lengths of from 1 μm to ...

09/29/05 - 20050214610 - Catalyst-coated membrane, membrane-electrode assembly, and polymer electrolyte fuel cell
An object of the present invention is to provide a catalyst-coated membrane suitable for achieving a polymer electrolyte fuel cell that sufficiently prevents a decrease in the initial characteristics and also exhibits sufficient cell performance for a long period of time and has excellent durability. In at least the cathode ...

09/22/05 - 20050208354 - Proton-conducting polymer membrane and method for the production thereof
The invention relates to a proton-conducting polymer membrane and to a method for the production thereof. Starting from a catalyst layer, which is homogeneously deposited on the polymer membrane (3), the catalyst layer is subdivided into a number of catalyst segments (1a, 1b) by microstructuring so that adjacent fuel cell ...

09/08/05 - 20050196656 - Fuel cell
A process and apparatus to modify the conventional proton exchange fuel cell by applying a non-conductive proton exchange material (5), a separate semiconductor (8), cylindrical-conical fuel cell elements (1,3), and internally stacking the fuel cell elements by a simple method. These modifications in the operating principle and construction configuration of ...

08/25/05 - 20050186460 - Membrane electrode assembly and polymer electrolyte fuel cell therewith
A membrane electrode assembly for a polymer electrolyte fuel cell has superior power generation characteristics under low humidity conditions and superior starting characteristics under low temperature conditions. In the membrane electrode assembly for a polymer electrolyte fuel cell in which a polymer electrolyte membrane is disposed between a pair of ...

08/18/05 - 20050181253 - Anode-supported solid oxide fuel cells using a cermet electrolyte
Novel solid oxide fuel cell (SOFC) article and method of manufacture with improved properties at lower costs. The structural features and methods involve fabricating an anode (i.e., fuel electrode); applying a cermet electrolyte, which includes a mixture of ceramic and electrochemically active substances, and applying a cathodic layer. The cermet ...

08/18/05 - 20050181252 - Polymer electrolyte membrane for electrochemical and other applications
Modified ion-conducting membranes (10), and a method for making the same, which increases the membrane (10) surface area, and, optionally, incorporates mono- and multi-metal ion-containing catalysts for both fuel consumption catalysis in fuel cells as well as catalysis of reactions to ameliorate the effects of CO and other impurities in ...

08/11/05 - 20050175878 - Direct hydrogen peroxide fuel cell
A direct hydrogen peroxide fuel cell for stable and efficient production of electric current by direct reduction of hydrogen peroxide via a cathode comprising a metal phthalocyanine electrocatalyst, coupled with oxidation of fuel by means of ion transfer across an ion-conducting polymer electrolyte, is provided. In addition, a hydrogen peroxide ...

08/04/05 - 20050170228 - Solid polymer electrolyte fuel cell system and operation method therefor
A normal operation of a fuel cell (10, 13, 17, 16, 20) for generating electricity with an electrolyte film (1) interposed between a first electrode (11) supplied with a fuel and a second electrode (12) supplied with an oxidizer, is followed by a shutdown operation in which the second electrode ...

07/14/05 - 20050153187 - Proton conductive electrolyte membrane, solid polymer fuel cell and method for producing proton conductive electrolyte membrane
A method for producing a proton conductive electrolyte membrane in which proton conductivity is sufficiently high, methanol permeability is sufficiently low and physical strength is sufficient for reducing the thickness adequately. The production method includes: laminating a dispersion liquid containing inorganic particles and inflammable organic particles on an inflammable support, ...

07/14/05 - 20050153186 - Molten carbonate fuel cell cathode with mixed oxide coating
A molten carbonate fuel cell cathode having a cathode body and a coating of a mixed oxygen ion conductor materials. The mixed oxygen ion conductor materials are formed from ceria or doped ceria, such as gadolinium doped ceria or yttrium doped ceria. The coating is deposited on the cathode body ...

06/30/05 - 20050142410 - Micro fuel cell
A fuel cell, fuel cell array and methods of forming the same are disclosed. The fuel cell can be made by forming a first aperture defined by a first aperture surface through a first electrode layer and forming a second aperture defined by a second aperture surface through a second ...

06/23/05 - 20050136311 - Power generation control system, power generation control method, program, and medium
It has been difficult to reduce a waste of energy in a fuel cell power generating process when, for example, a temporary rise or drop of a power load occurs. A fuel cell power generation system includes: load detection means of detecting power requested by a load; and output control ...

06/23/05 - 20050136310 - Hydrogen/hydrogen peroxide fuel cell
One embodiment of the present invention includes a technique of performing a catalytic oxidation reaction at an anode to provide hydrogen ions from molecular hydrogen and a catalytic reduction reaction at a cathode to provide hydroxyl ions from liquid hydrogen peroxide. Passage the molecular hydrogen to a reaction region is ...

06/23/05 - 20050136309 - Palladium-based electrocatalysts and fuel cells employing such electrocatalysts
A direct organic fuel cell includes a fluid fuel comprising formic acid, an anode having an electrocatalyst comprising palladium nanoparticles, a fluid oxidant, a cathode electrically connected to the anode, and an electrolyte interposed between the anode and the cathode. ...

06/23/05 - 20050136308 - Reduced degradation of ion-exchange membranes in electrochemical fuel cells
A significant problem in PEM fuel cell durability is in premature failure of the ion-exchange membrane and in particular by the degradation of the ion-exchange membrane by reactive hydrogen peroxide species. Such degradation can be reduced or eliminated by the presence of an additive in the anode, cathode or ion-exchange ...

06/16/05 - 20050130006 - Membrane electrode assembly for polymer electrolyte fuel cell
(wherein Rf1 is a bivalent perfluoro-hydrocarbon group having a carbon number of from 4 to 10), wherein said fluorinated sulfonic acid polymer has melt flow rate (MFR) not higher than 100 g/10 min at 270° C. when a —SO3H group in said polymer is converted to —SO2F. ...

06/09/05 - 20050123816 - Cell unit of solid polymeric electrolyte type fuel cell
A polymer electrolyte fuel cell unit comprising (a) a polymer electrolyte membrane 2, (b) a pair of gas-diffusible electrodes 3, 4 respectively attached to both surfaces of the polymer electrolyte membrane 2, (c) a pair of porous, gas-diffusible, conductive graphite collectors 5, 5 in contact with the outside of the ...



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