FREE patent keyword monitoring and additional FREE benefits. /images/triangleright (1K) REGISTER now for FREE triangleleft (1K)
Fresh Patents
Monitor Patents Patent Organizer File a Provisional Patent Browse Inventors Browse Industry Browse Agents Browse Locations


Chemistry: Electrical Current Producing Apparatus, Product, And Process > Fuel Cell, Subcombination Thereof Or Methods Of Operating > Catalytic Electrode Structure Or Composition > Having An Inorganic Matrix, Substrate Or Support

Having An Inorganic Matrix, Substrate Or Support

Having An Inorganic Matrix, Substrate Or Support 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 - 20070128504 - Solid oxide fuel cell and method for the production thereof
The solid oxide fuel cell includes a solid electrolyte substrate 11 formed by a fired electrolyte powder, a cathode electrode layer 12 formed on one side of the electrolyte substrate and an anode electrode layer 13 formed on the other side of the electrolyte substrate. Metallic meshes M1, M2 are ...

06/07/07 - 20070128503 - Membrane electrode assembly and method of manufacturing a membrane electrode assembly
A method for fabricating membrane electrode assembly includes providing an anode side diffusion layer structure and a cathode side diffusion layer structure with a layer of membrane electrolyte therebetween. The diffusion layer structures include diffusion segments, which are coupled to each other by a first engaging member having one or ...

06/07/07 - 20070128502 - Cathode for a direct methanol fuel cell and method for operating the same
In low-temperature fuel cells according to prior art, the problem often arises that the diffusion layer of the cathode is filled by water which is permeated or produced on the cathode, such that oxygen can no longer be transported to the catalyst layer of the cathode in a frictionless manner. ...

05/31/07 - 20070122690 - Anode for fuel cell, manufacturing method thereof, and fuel cell including the same
A method of manufacturing an anode for a fuel cell including: performing an acid treatment for a carbon-based compound; washing the resultant obtained from the acid treatment with water and then performing a freeze-drying (lyophilization) process; forming a microporous diffusion layer by dispersing the lyophilized resultant in a solvent, coating ...

05/10/07 - 20070105008 - Thin film fuel cell assembly
A fuel cell assembly including: a membrane electrode assembly and current collector sub-unit including (i) a polymer electrolyte membrane having a cathode side and an anode side; (ii) catalyst layers disposed, respectively, on both sides of the polymer electrolyte membrane; (iii) gas diffusion layers disposed, respectively, on sides of both ...

05/10/07 - 20070105007 - Dry impregnation of platinum on a carbon substrate
This invention provides a method for preparing particles of a platinum metal element on a carbon substrate. An aqueous solution of a platinum metal element complex is prepared by dissolving the platinum metal element complex in water not exceeding the pore volume of the carbon substrate to be impregnated. The ...

05/10/07 - 20070105006 - Gas diffusion layer preconditioning for improved performance and operational stability of pem fuel cells
A method for reducing the compression set of GDL during the fuel cell operation and a method for reducing the intrusion of the GDL into flow-field channels, both achieved by pre-compression preconditioning the GDL before placing it into the fuel cell. This preconditioning is performed in order to reduce the ...

05/10/07 - 20070105005 - Nanostructured core-shell electrocatalysts for fuel cells
Catalytic layers for use in the electrodes of fuel cells including a non-noble metal substrate layer coated with one or a few monolayers of noble metal, such as Pt. These thin, highly porous structures with large catalytically active surface areas, should exhibit a significantly higher power output per mg of ...

05/03/07 - 20070099069 - Catalyst for a fuel cell, a method for preparing the same, and a membrane-electrode assembly for a fuel cell including the same
The present invention relates to a catalyst for a fuel cell, a method of preparing the same, and a membrane-electrode assembly for a fuel cell including the same. The catalyst includes a platinum (Pt) nanowire and a carbon-based material supporting the Pt nanowire. ...

04/26/07 - 20070092786 - Platinum electrode surface coating and method for manufacturing the same
An electrode surface coating and method for manufacturing the electrode surface coating comprising a conductive substrate; a surface coating of platinum having a rough configuration and an increase in the surface area of 5 times to 500 times of the corresponding surface area resulting from the basic geometric shape of ...

04/26/07 - 20070092785 - Fuel cell stack
A power generator comprising a hydrogen generator and a fuel cell stack having an anode exposed to hydrogen from the hydrogen generator and a cathode exposed to an ambient environment. Hydrophobic and hydrophilic layers are used to promote flow of water away from the cathode. A diffusion path thus separates ...

04/19/07 - 20070087262 - Membrane-electrode assembly for fuel cell, method for manufacturing the same, and fuel cell system using the membrane-electrode assembly
A membrane-electrode assembly in which an opening, a catalyst layer and a diffusing layer are placed within a cathode active region; a method for manufacturing the same; and a fuel cell system using the membrane-electrode assembly. The membrane-electrode assembly comprises: a cathode with a catalyst layer, an opening in the ...

04/19/07 - 20070087261 - Membrane-electrode assembly for polymer electrolyte fuel cell
A membrane-electrode assembly for a polymer electrolyte fuel cell, which comprises an anode and a cathode each having a catalyst layer containing a catalyst powder and an ion exchange resin, and an electrolyte membrane made of an ion exchange membrane disposed between the anode and the cathode, characterized in that ...

04/12/07 - 20070082256 - Fuel cell nanocatalyst
A fuel cell cathode catalyst is provided comprising nanostructured elements comprising microstructured support whiskers bearing nanoscopic catalyst particles; wherein the catalyst comprises platinum and manganese and at least one other metal selected from the group consisting of Group VIb metals, Group VIIb metals and Group VIIIb metals other than platinum ...

04/12/07 - 20070082255 - Fuel cells and fuel cell catalysts incorporating a nanoring support
The fuel cells include electrode membrane assemblies having a nanoparticle catalyst supported on carbon nanorings. The carbon nanorings are formed from one or more carbon layers that form a wall that defines a generally annular nanostructure having a hole. The length of the nanoring is less than or about equal ...

04/12/07 - 20070082254 - Solid oxide fuel cell
A solid oxide fuel cell is disclosed which is excellent in output performance and durability. The solid oxide fuel cell comprises at least an electrolyte, an air electrode and a fuel electrode, and the air electrode includes a perovskite oxide containing at least manganese. A layer which is in contact ...

04/05/07 - 20070077484 - Water transport features for diffusion media
A diffusion media for use in a fuel cell stack and that is adjacently aligned with lands of a reactant plate of the fuel cell stack. The diffusion media includes a sheet having a permeable material with a thickness. A plurality of water transport pores are defined through the sheet. ...

03/29/07 - 20070072058 - Fuel cell and electronic equipment with the same
a passive type fuel cell is comprised of an anode for oxidizing a liquid fuel, a cathode for reducing oxygen, a solid polymer electrolytic membrane interposed between the anode and the cathode, a current-collector for collecting extract electrons accompanying the power generating reaction from the anode, a first porous material ...

03/29/07 - 20070072057 - Solid-oxide fuel cell with ferritic support
Cell of a solid-oxide fuel cell that comprises a ferritic support (2), a first electrode (3) deposited on said ferritic support, an electrolyte (4) deposited on said first electrode (3), and a second electrode (5) deposited on said electrolyte (4). The cell comprises, between the first electrode (3) and the ...

03/29/07 - 20070072056 - Membrane electrode assembly and fuel cell system including the same
A membrane electrode assembly for a fuel cell, in which electrical resistance is minimized by including a current collector between a catalyst layer and a fuel diffusion layer inside electrodes to shorten the electron transfer distance, and in which corrosion of the current collector due to direct contact between the ...

03/22/07 - 20070065712 - Composite porous body, gas diffusion layer member, cell member, and manufacturing method thereof
A composite porous body, a gas diffusion layer member of a polymer electrolyte fuel cell, a cell member for the polymer electrolyte fuel cell, and manufacturing methods thereof are provided. The composite porous body is a metallic composite porous body in which a sheet-like metal portion composed of a composite ...

03/15/07 - 20070059585 - Supported catalyst, electrode using the supported catalyst and fuel cell including the electrode
Provided are a supported catalyst, an electrode including the same, and a fuel cell using the electrode. The supported catalyst includes a carbon-based catalyst support and metal catalyst particles having an average diameter of 3.5 to 5 nm and an amount of 80 to 90 parts by weight based on ...

03/01/07 - 20070048594 - Membrane electrode assembly for fuel cell
A membrane electrode assembly for a fuel cell provides a current collector adjacent to an electrode catalyst layer. Since electrons passing between the current collector and the electrode catalyst layer do not pass through a diffusion layer or a supporting layer, the diffusion layer or supporting layer may be non-conductive. ...

03/01/07 - 20070048593 - Diffusion media with continuous micro-porous layers incorporating non-uniformity
A diffusion media and micro-porous media combination for a fuel cell. A diffusion layer is composed of a diffusion media and has a first (electrode) side and an opposite second (flowfield) side, wherein at least one of the first and second sides has a geometric pattern formed therein comprising a ...

02/22/07 - 20070042262 - Electrode for fuel cell, membrane-electrode assembly comprising same and fuel cell system comprising same
An electrode for a fuel cell, and a membrane-electrode assembly and a fuel cell system including the same. The electrode for a fuel cell includes a supporter including a nano-carbon fiber, a nano-carbon grown from the nano-carbon fiber, and a catalyst disposed on the nano-carbon. ...

02/22/07 - 20070042261 - Solid polymer electrolyte fuel cell and electrode structure for the fuel cell
A solid polymer electrolyte fuel cell (2) is formed from an electrode structure (7) and first and second separators (8, 9). The electrode structure (7) has a solid polymer electrolyte membrane (10), first and second electrode layers (11, 12), and first and second diffusion layers (13, 14). The first separator ...

02/15/07 - 20070037042 - Anode catalyst compositions for a voltage reversal tolerant fuel cell
In a solid polymer fuel cell series, various circumstances can result in a fuel cell being driven into voltage reversal. For instance, cell voltage reversal can occur if that cell receives an inadequate supply of fuel. In order to pass current, reactions other than fuel oxidation can take place at ...

02/15/07 - 20070037041 - Electrocatalyst supports for fuel cells
Titanium oxide (usually titanium dioxide) catalyst support particles are doped for electronic conductivity and formed with surface area-enhancing pores for use, for example, in electro-catalyzed electrodes on proton exchange membrane electrodes in hydrogen/oxygen fuel cells. Suitable compounds of titanium and a dopant are dispersed with pore-forming particles in a liquid ...

02/15/07 - 20070037040 - Fuel cell, fuel cell power source system and electronic devices using the same
Provided is a fuel cell having a membrane electrode assembly for generating power by oxidizing fuel at an anode electrode and reducing oxygen at a cathode electrode, an anode diffusion layer for allowing fuel to pass therethrough to the outside of the anode electrode of the membrane electrode assembly and ...

02/15/07 - 20070037039 - Platinum-copper-tungsten fuel cell catalyst
A composition for use as a catalyst in, for example, a fuel cell, the composition comprising platinum, copper and tungsten, or an oxide, carbide and/or salt of one or more of platinum, copper and tungsten, wherein the sum of the concentrations of platinum, copper and tungsten, or an oxide, carbide ...

02/08/07 - 20070031724 - Fuel cell, fuel cell assembly, and method for manufacturing the fuel cell
A fuel cell includes two flow field plates and a membrane electrode assembly sandwiched therebetween. A plurality of flow channels is formed on surface facing the membrane electrode assembly of the flow field plate. A carbon material layer is formed on the flow field plate and a catalyst layer is ...

02/08/07 - 20070031723 - Durability for the mea and bipolar plates in pem fuel cells using hydrogen peroxide decomposition catalysts
A fuel cell that employs a decomposition catalyst on one or more of the membrane, bipolar plates or diffusion media layers in the fuel cell that decomposes hydrogen peroxide, and thus reduces the generation of hydroxyl free radicals. In one embodiment, the decomposition catalyst is ruthenium oxide and is deposited ...

02/08/07 - 20070031722 - Electrocatalysts having platinum monolayers on palladium, palladium alloy, and gold alloy nanoparticle cores, and uses thereof
The invention relates to platinum-coated particles useful as fuel cell electrocatalysts. The particles are composed of a noble metal or metal alloy core at least partially encapsulated by an atomically thin surface layer of platinum atoms. The invention particularly relates to such particles having a palladium, palladium alloy, gold alloy, ...

02/01/07 - 20070026294 - Catalyst nanoparticle
Although nanoparticles capable of providing an extremely large active surface area have highly marked advantages, when a PEFC electrode utilizing nanoparticles is used for a prolonged period of time, the catalyst nanoparticles on carrier of the PEFC electrode because of the nano-size thereof migrate and aggregate together to result in ...

02/01/07 - 20070026293 - Membrane-electrode assembly for fuel cell and fuel cell system comprising same
A membrane-electrode assembly constructed with an anode and a cathode facing each other, and a polymer electrolyte membrane disposed therebetween. At least one of the anode and the cathode includes an electrode substrate that includes a carbon fiber based sheet coated with micro-carbons and a catalyst layer disposed on the ...

02/01/07 - 20070026292 - Electrocatalysts having gold monolayers on platinum nanoparticle cores, and uses thereof
The invention relates to gold-coated particles useful as fuel cell electrocatalysts. The particles are composed of an electrocatalytically active core at least partially encapsulated by an outer shell of gold or gold alloy. The invention more particularly relates to such particles having a noble metal-containing core, and more particularly, a ...

01/18/07 - 20070015044 - Solid oxide fuel cell directly utilizing flame
A solid oxide fuel cell that directly utilizes a flame according to the present invention has a solid oxide substrate, a cathode electrode layer formed on one surface, and an anode electrode layer 3 formed on the opposite surface and a platinum mesh is embedded in the entire surfaces of ...

01/18/07 - 20070015043 - Fuel cell having metalized gas diffusion layer
A fuel cell is described and which includes an ion exchange membrane; an electrode positioned in ion exchanging relation relative to the ion exchange membrane; a gas diffusion layer borne by the electrode and having an outwardly facing surface; a porous metal coating comprising one or more elements selected from ...

01/18/07 - 20070015042 - Multi-layer diffusion medium substrate
A multi-layer diffusion medium substrate having improved mechanical properties is disclosed. The diffusion medium substrate includes at least one stiff layer and at least one compressible layer. The at least one stiff layer has a greater stiffness in the x-y direction as compared to the at least one compressible layer. ...

01/11/07 - 20070009783 - Hybrid membrane-electrode assembly with minimal interfacial resistance and preparation method thereof
The present invention provides a membrane-electrode assembly comprising: electrodes consisting of a anode comprising a gas diffusion layer and a catalyst material-containing active layer, and an cathode comprising a diffusion layer and a catalyst material-containing active layer; and an electrolyte membrane interposed between the anode and the cathode and comprising ...

01/04/07 - 20070003823 - Supported catalyst and fuel cell
A supported catalyst includes an oxide carrier, catalyst particles supported on the oxide carrier, and catalyst layers which locate among the catalyst particles, with interface portions among the oxide carrier, the catalyst particles and the catalyst layers. The catalyst layers have a melting point lower than 1,500° C. and contain ...

01/04/07 - 20070003822 - Voltage cycling durable catalysts
A fuel cell electrocatalyst layer having increased voltage cycling durability. The electrocatalyst layer comprises annealed platinum particles having an average particle size diameter from about 3 to about 15 nm deposited on a support structure. The platinum particles are annealed at a temperature from about 800 to about 1,400° C. ...

01/04/07 - 20070003821 - Integrally molded gasket for a fuel cell assembly
A fuel cell membrane electrode assembly (MEA) comprising first and second gas diffusion layers and an ion exchange membrane disposed between the diffusion layers. Each diffusion layer includes an inner surface facing the membrane, an outer surface opposite the inner surface, and a side surface defining a perimeter of the ...

01/04/07 - 20070003820 - Direct methanol fuel cell with 3-d anode
Described is a direct oxidation liquid feed fuel cell having a PEM sandwiched between a cathode and an anode. The anode includes a reticulated structure having more than one path made of interconnected pores connecting each point on one face of the reticulate structure to points of its other side. ...

01/04/07 - 20070003819 - Electrically conductive fuel cell contact material
A multilayer contact approach for use in a planar solid oxide fuel cell stack includes at least 3 layers of an electrically conductive perovskite which has a coefficient of thermal expansion closely matching the fuel cell material. The perovskite material may comprise La1-x Ex Co0.6Ni0.4O3 where E is a alkaline ...

12/28/06 - 20060292435 - Method for manufacturing a flat panel direct methanol fuel cell
A novel flat panel DMFC (direct methanol fuel cell) includes an integrated cathode electrode plate, a membrane electrode assembly (MEA) unit, an intermediate bonding layer, an integrated anode electrode plate, and a fuel container. The integrated cathode and anode electrode plates are manufactured by using PCB compatible processes. The integrated ...

12/21/06 - 20060286437 - Polymer electrolyte fuel cell and manufacturing method
An intermediate layer is disposed between respective gas diffusing layers and catalyst layers of a polymer electrolyte fuel cell. This intermediate layer is mainly an electron-conductive filler and a binder, and has voids that are continuous in a thickness direction inside the intermediate layer, the intermediate layer has a solid ...

12/21/06 - 20060286436 - Planar fuel cell stack and method of fabrication of the same
The present invention provides a system and method for forming an air breathing fuel cell that includes an air permeable cathode layer positioned to be in contact with atmospheric air and an electrically conductive, fuel permeable anode backing layer positioned to be in contact with a mixture of fuel and ...

12/21/06 - 20060286435 - Fuel cells and their components using catalysts having a high metal to support ratio
The present invention relates to coated substrates comprising electrocatalysts containing at least about 70 weight percent of a metal. The present invention also relates to fuel cell stacks and single cells, including direct methanol fuels cells, hydrogen fuel cells, and reformed hydrogen fuel cells comprising the coated substrate comprising electrocatalysts ...

12/14/06 - 20060280999 - Polymer electrolyte fuel cell
A polymer electrolyte fuel cell comprising: a solid polymer electrolyte membrane containing an aromatic polymer electrolyte; an electrode comprising a catalyst layer and a gas diffusion layer as an anode and a cathode to be joined on both surfaces of this solid polymer electrolyte membrane; a gas sealing material to ...

12/07/06 - 20060275650 - Solid polyelectrolyte fuel cell
Provided is a solid polyelectrolyte fuel cell capable of suppressing a gas leak between a fuel electrode film side and an oxide electrode film side by suppressing deterioration of a solid polyelectrolyte film on its peripheral side. A solid polyelectrolyte fuel cell includes: a cell in which electrode films are ...

12/07/06 - 20060275649 - Method and apparatus for forming electrode interconnect contacts for a solid-oxide fuel cell stack
An electrical interconnect for a solid-oxide fuel cell stack assembly, including a novel sintering paste and an improved manufacturing process for an anode and cathode electrical contacts is disclosed. On the anode side, the paste contains a metallic oxide such as NiO, and an amount of sacrificial pore-forming particles, such ...

11/30/06 - 20060269829 - Monopolar membrane-electrode assembly
A monopolar membrane-electrode assembly, including an electrolyte membrane having a plurality of cell regions and at least one opening associated with each cell region, a plurality of anode current collecting bodies and a plurality of cathode current collecting bodies respectively formed at the cell regions on both surfaces of the ...

11/30/06 - 20060269828 - Fuel cell
It is an object of the present invention to provide a fuel cell equipped with a membrane electrode assembly which can relax stress concentration at a catalyst layer end to prevent an electrolyte membrane damage and have high reliability. The membrane electrode assembly comprises an electrolyte membrane coated with an ...

11/30/06 - 20060269827 - Method of fabricating electrode catalyst layers with directionally oriented carbon support for proton exchange membrane fuel cell
A method of making a membrane electrode assembly (MEA) having an anode and a cathode and a proton conductive membrane there between. A bundle of longitudinally aligned carbon nanotubes with a catalytically active transition metal incorporated in the nanotubes forms at least one portion of the MEA and is in ...

11/23/06 - 20060263675 - Electrocatalyst for oxygen reduction with reduced platinum oxidation and dissolution rates
The invention relates to platinum-metal oxide composite particles and their use as electrocatalysts in oxygen-reducing cathodes and fuel cells. The invention particularly relates to methods for preventing the oxidation of the platinum electrocatalyst in the cathodes of fuel cells by use of these platinum-metal oxide composite particles. The invention additionally ...

11/23/06 - 20060263674 - Catalyst and process for producing the same, catalytic electrode and process for producing the same, membrane/electrode union, and electrochemical device
In producing an oxygen reduction catalyst including a nitrogen-containing active carbide by converting either a mixture of a carbonaceous solid raw material (coal-derived binder pitch) and a nitrogen-containing organic compound (melamine or the like) or a nitrogen-containing organic polymer compound (polyacrylonitrile, melamine resin or the like) into a powdery material, ...

11/16/06 - 20060257720 - Conductive carbonaceous fiber woven cloth and solid polymer-type fuel cell
The present invention provides a carbonaceous fiber woven fabric suitable for use as a gas diffusion layer material for solid polymer electrolyte fuel cells. Namely, the conductive carbonaceous fiber woven fabric of the present invention contains carbonaceous fiber yarns having a metric count of 16 to 120, a carbonaceous fiber ...

11/16/06 - 20060257719 - Catalyst for fuel cell electrode
The durability of a PEM fuel cell is improved by replacing carbon catalyst support materials in the cathode (and optionally both electrodes) with a titanium oxide support. The electrode thus preferably contains noble metal containing catalyst particles carried on catalyst support particles of titanium oxide. The catalyst-bearing titanium oxide particles ...

11/16/06 - 20060257718 - Electrode material and fuel cell
A fuel cell electrode material comprising a cermet which comprises metal particles consisting of cobalt and nickel and electrolyte particles consisting of solid oxides, wherein the metal particles comprise 20 to 90 mol % cobalt and the residue of nickel in terms of CoO and NiO, respectively, and a solid ...

11/16/06 - 20060257717 - Gas diffusion electrode and method for making same
The gas diffusion electrode includes a gas diffusion layer, an intermediate layer formed on the gas diffusion layer, and a catalyst layer formed on the intermediate layer. The intermediate layer has a crystal structure configured to serve as a crystal seed for the formation of the catalyst layer thereon. The ...

11/16/06 - 20060257716 - Tungsten-based electrocatalyst and fuel cell containing same
The catalyst of this invention is a non-stoichiometric tungsten compound, H0.53WO3, which may be used as both the anode and cathode electrocatalyst for acid-style low-temperature fuel cells. A fuel cell using the tungsten-based electrocatalyst as both the anode and cathode has been constructed and operated with a hydrogen fuel and ...

11/09/06 - 20060251954 - Conductive matrices for fuel cell electrodes
The durability of a fuel cell having a polymer electrolyte membrane with an anode on one surface and an oxygen-reducing cathode on the other surface is improved by replacing conductive carbon matrix materials in an electrode with a matrix of electrically conductive metal compound particles. The electrode includes a catalyst ...

11/09/06 - 20060251953 - Photocatalytic methods for preparation of electrocatalyst materials
The invention relates to methods of preparing metal particles on a support material, including platinum-containing nanoparticles on a carbon support. Such materials can be used as electrocatalysts, for example as improved electrocatalysts in polymer electrolyte membrane fuel cells (PEM-FCs). ...

11/09/06 - 20060251952 - Platinum-chromium-copper/nickel fuel cell catalyst
A fuel cell catalyst comprising platinum, chromium, and copper, nickel or a combination thereof. In one or more embodiments, the concentration of platinum is less than 50 atomic percent, and/or the concentration of chromium is less than 30 atomic percent, and/or the concentration of copper, nickel, or a combination thereof ...

11/02/06 - 20060246344 - Supports for fuel cell catalysts
The durability of a fuel cell having a polymer electrolyte membrane with an anode on one surface and an oxygen-reducing cathode on the other surface is improved by substituting electrically conductive titanium carbide or titanium nitride particles for carbon particles as oxygen-reducing and hydrogen-oxidizing catalyst supports. For example nanosize platinum ...

11/02/06 - 20060246343 - Dry particle packaging systems and methods of making same
A dry particle packaging system and method for making is disclosed. ...

10/26/06 - 20060240314 - Electrode for fuel cell and solid oxide fuel cell using the same
An electrode (1) for fuel cell according to the present invention comprises electron-conducting particles (5), and fibrous oxide particles (3). In the electrode (1), the ratio represented by the following formula (I) is within a range from 5 to 25, and the ratio represented by the following formula (II) is ...

10/19/06 - 20060234111 - Gas diffusion electrodes, membrane-electrode assembles and method for the production thereof
A method for forming a patterned noble metal coating on a gas diffusion medium substantially free of ionomeric components comprising subjecting an electrically conductive web with a patterned mask overlaid thereto to a first ion beam having an energy not higher than 500 eV, and to a second beam having ...

10/05/06 - 20060222929 - Reduction of sofc anodes to extend stack lifetime
One embodiment of the invention provides a method of operating a solid oxide fuel cell, including providing a solid oxide fuel cell comprising an anode electrode containing nickel, and electrochemically reducing an anode side of the fuel cell. Another embodiment of the invention provides a method of operating a solid ...

09/21/06 - 20060210865 - Fuel cell
An electrolyte membrane/electrode web member includes an elongated solid polymer electrolyte membrane. A plurality of anodes and a plurality of cathodes are provided on one surface, and on the other surface of the solid polymer electrolyte membrane, respectively. First and second gas diffusion current collector members are inserted into the ...

09/21/06 - 20060210864 - Catalyst, electrode, membrane electrode assembly and fuel cell
where the element A is at least one element selected from the group consisting of Ca, Sr and Ba, the element B is at least one element selected from the group consisting of La, Nd, Sm, Eu, Gd, Dy, Ho, Er, Tm, Yb, and Lu, the molar ratio x satisfies ...

09/14/06 - 20060204833 - Humidity adjusting film
Humidity adjusting films are sandwiched between the catalyst electrode layers and carbon fiber collector layers of a solid polymer type fuel cell. These humidity adjusting films are constructed from a conductive carbonaceous powder and a polytetrafluoroethylene. The moisture permeability as measured by the method stipulated in JIS L 1099 (B-1) ...

09/14/06 - 20060204832 - Liquid fuel cell, membrane electrode assembly and cathode
A cathode includes a diffusion layer, and a porous catalyst layer provided on the diffusion layer. The porous catalyst layer has a thickness not greater than 60 μm, a porosity of 30 to 70% and a pore diameter distribution including a peak in a range of 20 to 200 nm ...

09/07/06 - 20060199070 - Membrane-electrode assembly, method for preparing the same, and fuel cell system comprising the same
The invention relates to a membrane-electrode assembly for a fuel cell, a method for preparing the same, and a fuel cell system comprising the same. The membrane-electrode assembly comprises a polymer electrolyte membrane, a catalyst layer spray-coated directly on both surfaces of the polymer electrolyte membrane; and a gas diffusion ...

09/07/06 - 20060199069 - Membrane electrode assembly, method for manufacturing the same, and polymer electrolyte fuel cell
A membrane electrode assembly composed of a polymer electrolyte membrane and diffusion layers bonded to both surfaces of the polymer electrolyte membrane, as well as a polymer electrolyte fuel cell including the membrane electrode assembly, are provided. The polymer electrolyte membrane includes a porous polymer membrane, proton conductive groups disposed ...

09/07/06 - 20060199068 - Electrode and membrane/electrode assembly for fuel cells and fuel cell systems comprising same
The invention relates to an electrode for a fuel cell and a fuel cell comprising the same. The electrode includes a catalyst layer formed on a diffusion layer comprising conductive powders, fluorinated resins, and conductive substrates. ...

08/31/06 - 20060194097 - Nano-structured metal-carbon composite for electrode catalyst of fuel cell and process for preparation thereof
The present invention relates to a nano-structured metal-carbon composite and applications thereof, and more specifically, to a nano-structured metal-carbon composite obtained by consecutively impregnating a transition metal precursor and a carbon precursor in a nano frame and reacting the precursors at high temperature. In the metal-carbon composite of the present ...

08/24/06 - 20060188775 - Oxidation resistant electrode for fuel cell
An oxygen reducing electrode for a fuel cell comprises carbon particles as support for catalyst particles. The carbon particles are coated with smaller particles of a metal oxide and/or metal phosphate (for example, TiO2 particles) to impede destructive oxidation (corrosion) of the carbon particles while permitting suitable electrical conductivity between ...

08/24/06 - 20060188774 - Nanowire-based membrane electrode assemblies for fuel cells
The present invention discloses nanowires for use in a fuel cell comprising a metal catalyst deposited on a surface of the nanowires. A membrane electrode assembly for a fuel cell is disclosed which generally comprises a proton exchange membrane, an anode electrode, and a cathode electrode, wherein at least one ...

08/24/06 - 20060188773 - Process for joining a gas diffusion layer to a separator plate
There is provided a process for joining a gas diffusion layer to a separator plate of an electrochemical cell. The gas diffusion layer comprises a porous body that allows a reactant gas to diffuse through the gas diffusion layer. The separator plate comprises at least one landing surface formed on ...

08/10/06 - 20060177728 - Palladium-cobalt particles as oxygen-reduction electrocatalysts
The present invention relates to palladium-cobalt particles useful as oxygen-reducing electrocatalysts. The invention also relates to oxygen-reducing cathodes and fuel cells containing these palladium-cobalt particles. The invention additionally relates to methods for the production of electrical energy by using the palladium-cobalt particles of the invention. ...

08/10/06 - 20060177727 - Gas diffuser substrate containing catalysts for fuel cells, in addition to a method for the production thereof
The invention relates to a catalyst-containing gas diffusion layer for fuel cells, in particular low-temperature fuel cells, e.g. PEMFCs and DMFCs. The gas diffusion layer is used on the anode side of the fuel cell and contains catalyst components which effect removal of carbon monoxide (in the PEMFC) or oxidation ...

08/03/06 - 20060172179 - Low platinum fuel cells, catalysts, and method for preparing the same
This invention provides novel fuel cell electrodes and catalysts comprising a series of catalytically active thin-film metal alloys with low platinum concentration supported on nanostructured materials (nanoparticles). Processing of the electrodes and catalysts can include electrodeposition methods, and high-pressure coating techniques. In certain embodiments, an integrated gas-diffusion/electrode/catalyst layer can be ...

07/27/06 - 20060166077 - Thin membrane electrode assembly for fuel cell and fuel cell including the same
A thin membrane electrode assembly for a fuel cell includes a diffusion layer with openings and thus does not require a separate carbon substrate. The membrane electrode assembly can be used to manufacture a slim, compact fuel cell. The membrane electrode assembly also ensures a quick response and stable electric ...

07/27/06 - 20060166076 - Constituting part for fuel battery
In order to reduce an assembling man hour of the constituting part for the fuel battery and prevent wrinkles from being generated in an electrolyte membrane, in a constituting part for a fuel battery having electrodes with catalyst in both pole sides of an electrolyte membrane and provided with gas ...

07/27/06 - 20060166075 - Flame-resistant acrylic fiber nonwoven fabric, carbon fiber nonwoven fabric, and method for production thereof
A nonwoven fabric comprising flame-retardant acrylic fibers, characterized in that it has a weight per square-meter of 70 to 190 g/m2, a thickness of 0.1 to 0.3 mm, a density of 0.35 to 0.8 g/cm3; and a nonwoven fabric comprising carbon fibers, characterized in that it has a weight per ...

07/20/06 - 20060159983 - Fuel electrode for solid oxide fuel cell and solid oxide fuel cell suing the same
A fuel electrode for solid oxide fuel cell of the present invention comprises a cermet containing an oxide phase having oxygen ion conductivity and a metal phase, Further, the fuel electrode constitutes a three-dimensional network structure, and the oxide phase forms a skeleton of the network structure, and has pores ...

07/20/06 - 20060159982 - Electrode for fuel cell and fuel cell using same
In fuel cell (100), a metal fiber sheet is employed for a base member (104) and a base member (110) that composes a fuel electrode (102) and an oxidant electrode (108). ...

07/13/06 - 20060154135 - Fuel cell
A solid oxide fuel cell comprising a fuel cell unit which comprises an anode layer made of an electrically conducting mesh and an anode-forming material carried by this mesh, a cathode layer made of an electrically conducting mesh and a cathode-forming material carried by this mesh, and a solid electrolytic ...

07/06/06 - 20060147790 - Particle containing a graphite based nucleus covered with at least one continuous or discontinuous layer, processes for preparing the same and their uses
Process for preparing by crushing, a homogenous mixture of particles containing a conductive nucleus including at least one graphite and continuously or discontinuously coated with at least one material that is different from the one constituting the nucleus, the size of the particles of the nucleus being larger than the ...

06/29/06 - 20060141339 - Wafer provided with transverse conductors and application to a fuel cell
A thin wafer comprising through holes filled at least partially with conductive carbon nanotubes generally oriented transversally to the wafer. A fuel cell comprising, in a thin wafer, a through hole filled with an electrolyte surrounded with barriers of carbon nanotubes generally oriented transversally to the wafer. ...

06/29/06 - 20060141338 - Direct oxidation fuel cell and system operating on concentrated fuel using low oxidant stoichiometry
A direct oxidation fuel cell system includes a membrane electrode assembly (MEA), a high concentration fuel and an oxidant source. Embodiments include a controller for adjusting the oxidant stoichiometric ratio or air flow to maximize the liquid water phase in the cathode exhaust and minimize the water vapor in the ...

06/22/06 - 20060134509 - Method and apparatus for metal coated silicon fuel cell electrode
According to one embodiment of the invention, an intermediate binding layer and a metal layer can be deposited on a silicon electrode that has been configured with a flow field for a fuel cell. The metal provides high conductivity for the electrode and can also prevent degradation of the silicon. ...

06/22/06 - 20060134508 - Direct methanol fuel cell
JPEM×JGDL≦1×10−8 [mol/(cm2·min.)]2.  (ii) ...

06/22/06 - 20060134507 - Fuel cell electrode containing metal phosphate and fuel cell using the same
A fuel cell electrode includes a catalyst layer, which includes a supported metallic catalyst, a proton conductor including a metal phosphate, a binder, and a gas diffusion layer including an electrical conductive material. ...

06/22/06 - 20060134506 - Electrode catalyst for fuel cell
Disclosed is an electrode catalyst comprising: (a) a support with a specific surface area of at least 1200 m2/g; and (b) platinum or platinum-containing alloy particles on the support, wherein the platinum is supported on the electrode catalyst in an amount of 56˜90 wt % based on the total weight ...

06/15/06 - 20060127747 - Ceramic anode solid oxide fuel cell
A solid oxide fuel cell having a cathode, at least an electrolyte membrane, and an anode having a ceramic material and an alloy of nickel and at least a second metal, the alloy having an average particle size not higher than 20 nm. ...

06/15/06 - 20060127746 - Electode-supported fuel cell
Cathode-supported fuel cell wherein the cathode support comprises a porous part made of an alloy containing iron and chromium and more particularly stainless steel. The anode has a thickness of 1-50 μm and preferably consists of nickel/nickel oxide. The cathode preferably consists of LSM material. Such an electrode-supported fuel cell ...

06/08/06 - 20060121334 - Fuel cell and/or electrolyzer and method for producing the same
A fuel cell and/or electrolyzer, and a method of producing a fuel cell and/or electrolyzer. The fuel cell and/or electrolyzer has an electrolyte layer, one side of which is in contact with a cathode layer and the other side of which is in contact with an anode layer. The anode ...

06/01/06 - 20060115712 - Electrode for fuel cell, fuel cell system comprising the same, and method for preparing the same.
The electrode for a fuel cell of the present invention includes a carbonaceous electrode substrate, a microporous layer formed on the surface of the electrode substrate with the microporous layer including a carbonized polymer, and nano-carbon formed on the surface of the microporous layer with a catalyst layer coated on ...

06/01/06 - 20060115711 - Electrode for fuel cell, fuel cell comprising the same, and method for preparing the same
An electrode for a fuel cell of the present invention includes an electrode substrate, a microporous layer formed on the surface of the electrode substrate, and a nano-carbon layer formed on the surface of the microporous layer with a catalyst layer coated on the surface of the nano-carbon layer. Alternatively, ...

06/01/06 - 20060115710 - Polymer electrolyte fuel cell
In a polymer electrolyte fuel cell, at least one of the anode side separator plate and cathode side separator plate is formed with a main surface having a convex shape protruding toward a gas diffusion layer, and a peripheral edge portion surrounding the main surface. An average thickness of the ...

05/18/06 - 20060105227 - Electrode for fuel cell, and membrane-electrode assembly and fuel cell system comprising the same
The electrode for a fuel cell of the present invention includes a catalyst layer and an electrode substrate supporting the catalyst layer, where the electrode substrate includes a hydrophilic region and a hydrophobic region separated from each other. The hydrophilic region and the hydrophobic region that are separated from each ...

05/11/06 - 20060099489 - Fuel cell electrode and membrane-electrode assembly and fuel cell system
A fuel cell electrode includes a catalyst layer and an electrode substrate supporting the catalyst layer and including a conductive substrate. The catalyst layer includes a first catalyst supported on a carbon supporter and a second catalyst supported on an inorganic oxide supporter. The first catalyst includes an alloy of ...

05/11/06 - 20060099488 - Fuel cell, membrane electrode assembly, catalyst used therefor, and method of producing catalyst
A fuel cell includes a fuel electrode, an oxygen electrode, and a polymer electrolyte membrane placed between the fuel electrode and the oxygen electrode. The fuel electrode and/or the oxygen electrode include a catalyst composed of a particle containing at least Pt and P and a carbon support. ...

05/11/06 - 20060099487 - Membrane electrode assembly of solid polymer electrolyte fuel cell
A membrane electrode assembly for solid polymer electrolyte fuel cell includes an anode electrode, a cathode electrode, and a polymer electrolyte membrane sandwiched by these electrodes, the catalyst layer of cathode electrode contains a Pt—Co catalyst that is Pt—Co alloys supported by an electrical conductive material, and crystalline carbon fibers, ...

05/11/06 - 20060099486 - Split architectures for mea durability
A membrane electrode assembly including an ionically conductive member, an electrode, and an electrically conductive member including an active layer, wherein the electrode is a smooth, continuous layer that completely covers and supports the ionically conductive member. The electrode and active layer further include a first and second catalyst content, ...

05/04/06 - 20060093893 - Membrane electrode assembly for solid polymer electrolyte fuel cell
A membrane electrode assembly for a solid polymer electrolyte fuel cell includes an anode electrode, a cathode electrode, and a polymer electrolyte membrane sandwiched by the electrodes, the catalyst layer of the cathode electrode containing a catalyst supporting particle in which a precious metal is supported on heat-treated carbon black ...

04/13/06 - 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. ...

03/30/06 - 20060068271 - Simplified direct oxidation fuel cell system
A simplified direct oxidation fuel cell system is disclosed. The fuel cell is constructed in such a manner that fuel is added to the cell anode as it is consumed and water is evaporated off at cell cathode so that there is no need for recirculation of unreacted fuel at ...

03/30/06 - 20060068270 - Solid polymer electrolyte fuel battery cell and fuel battery using same
The present invention provides a solid polymer electrolyte fuel battery cell comprising a solid polymer electrolyte membrane, a fuel electrode and an oxidant electrode, the both electrodes being disposed on both sides of the membrane, and a pair of current collectors disposed outside the electrodes, wherein a water-retaining material comprising ...

03/30/06 - 20060068269 - Electrode structure for solid polymer type fuel cell
A water holding layer having a carbon-based material and a water holding material is arranged on an anode diffusion layer. The water holding material is contained at 5 to 20 wt % of total weight of the water holding material and an electron conductive material. Alternatively, carbon particles having water ...

03/16/06 - 20060057454 - Fuel cell
The invention provides a fuel cell which comprises a cathode and an anode arranged to sandwich a proton-conductive ion exchange electrolytic membrane, oxygen and hydrogen containing carbon monoxide being supplied to the cathode and the anode, respectively, in which the cathode comprises an electroconductive porous substrate which carries thereon platinum ...

03/09/06 - 20060051657 - Supported catalyst for fuel cell, method of manufacturing the same, and fuel cell
Provided is a supported catalyst for a fuel cell, containing a conductive support and a platinum alloy supported thereby, wherein an elution ratio of transition metal other than platinum is 30% or less when 0.5 g of the supported catalyst is stirred at room temperature in 30 mL of 0.1N ...

02/23/06 - 20060040170 - Flat panel direct methanol fuel cell and method for making the same
A flat panel DMFC (direct methanol fuel cell) includes an integrated cathode electrode sheet, a set of membrane electrode assemblies, an intermediate bonding layer, an integrated anode electrode sheet, and a fuel container base. The integrated cathode/anode electrode sheets are manufactured by using PCB compatible processes. ...

02/23/06 - 20060040169 - Method of fabricating a flat panel direct methanol fuel cell
A flat panel direct methanol fuel cell (DMFC) includes an integrated cathode electrode plate, a set of membrane electrode assemblies, an intermediate bonding layer, an integrated anode electrode plate, and a fuel container base. The integrated cathode/anode electrode plates are conducive to mass production, and are manufactured by using PCB ...

02/09/06 - 20060029859 - Porous diffusion media and bipolar plate assembly with anion exchange resin and devices incorporating same
A device comprising a membrane electrode assembly, porous diffusion media, and at least one pair of bipolar plate assemblies is provided. The membrane electrode assembly is interposed between a pair of diffusion media substrates, the bipolar plate assembly comprises at least one flow field passage, and the bipolar plate assembly ...

02/02/06 - 20060024563 - Method for supporting catalyst for polymer electrolyte fuel cell and membrane electrode assembly
A method for supporting a catalyst for a polymer electrolyte fuel cell includes the steps of making a catalyst layer including a catalyst precursor, the catalyst layer to be used as either an anode catalyst layer or a cathode catalyst layer, arranging the catalyst layer with a polymer electrolytic membrane ...

01/26/06 - 20060019148 - Proton conductive solid electrolyte, proton conductive membrane, electrode for fuel cell, membrane electrode assembly, and fuel cell
A proton conductive solid electrolyte includes a proton conductive inorganic oxide including an oxide carrier and oxide particles supported on a surface of the oxide carrier, the oxide carrier containing an element Y consisting of at least one element selected from the group consisting of Ti, Zr, Si and Al, ...

01/26/06 - 20060019147 - Solid polymer electrolyte fuel cell and method for manufacturing the same
A solid polymer electrolyte fuel cell comprises: a plurality of electrode structures comprising an anode and a cathode, and polymer electrolyte membrane held between the anode and the cathode, and a plurality of separators for holding the respective electrode structures, with a fuel gas passage for supplying and discharging fuel ...

01/26/06 - 20060019146 - Fuel cell catalyst carry particle, composite electrolyte containing the same, catalytic electrode,fuel cell and process for producing tehm
An adhesive layer 3 is disposed between a carbon particle 2 and a catalyst substance 1 of a catalyst-supporting particle for a fuel cell containing the carbon particle 2 and the catalyst substance 1. Thereby, the catalyst-supporting particle for fuel cell can be obtained in which a contact resistance between ...

12/29/05 - 20050287421 - Electrochemical cell having a carbon aerogel cathode
The invention provides an electrochemical cell having a liquid positive material and comprising a metal anode and a carbon-based cathode, the cell being characterized in that the cathode comprises a carbon aerogel. ...

12/22/05 - 20050282062 - Fuel cell electrode, fuel cell and their production processes
A porous metal sheet (489) is used as an electrode substrate and the surface of a metal constituting the porous metal is roughened by etching. A plating layer of a catalyst (491) is formed on the surface on which irregularities are formed. This obtained electrode material is used as a ...

12/22/05 - 20050282061 - Catalyst support for an electrochemical fuel cell
Corrosion of the carbon catalyst support may occur at both the anode and cathode catalyst layers within an electrochemical fuel cell. Such corrosion may lead to reduced performance and/or decreased lifetimes of the fuel cell. Nevertheless, carbon supports have many desirable properties as catalyst supports including high surface area, high ...

12/08/05 - 20050271932 - Air cathode having multiple layered sintering structure and its process for producing the same
An air cathode having multiple layered structure formed by at least a layer of base material, two sintered diffusion layers and a sintered activation layer in laminating shape wherein the base material is as the electric current collector which is made of metal wire net or metal foam net carrying ...

12/08/05 - 20050271931 - Methods for the electrochemical optimization of solid oxide fuel cell electrodes
The present invention provides a solid oxide fuel cell which contains an anode, a cathode, and an electrolyte, where at least one of the electrode contains a wash-coat composition that improves the performance of the solid oxide fuel cell. Also provided is a method for making the solid oxide fuel ...

12/01/05 - 20050266298 - Dry particle based electro-chemical device and methods of making same
A dry process-based electro-chemical device and method for making a self-supporting dry electrode film for use therein is disclosed. Cost effective manufacture of electrochemical devices such as batteries, capacitors, and fuel cells is enabled. ...

11/24/05 - 20050260484 - Novel approach to make a high performance membrane electrode assembly (mea) for a pem fuel cell
An electrically conductive fluid distribution element for use in a fuel cell having a conductive non-metallic porous media having a surface with an electrically conductive metal deposited along one or more metallized regions. The metallized regions are arranged to contact a membrane electrode assembly (MEA) in a fuel cell assembly, ...

11/17/05 - 20050255375 - Fuel cell
A fuel cell includes an electrolyte configured to be a plane plate, an anode catalyst layer provided on a first face of the electrolyte, a cathode catalyst layer provided on a second face of the electrolyte, a fuel diffusion layer provided on a face of the anode catalyst layer which ...

11/17/05 - 20050255374 - Fuel cell
A gas diffusion electrode for use in a fuel cell assembly of a fuel cell for use with a source of gaseous reductant and a source of gaseous oxidant. The assembly comprises a central ionic membrane having a membrane first surface and a membrane second surface; a first matrix formed ...

11/17/05 - 20050255373 - Liquid fuel feed fuel cell, electrode for fuel cell and methods for manufacturing same
To provide a liquid fuel supply type fuel cell in which water present in the oxidizer electrode is promptly removed and evaporated, thereby achieving high output, a fuel cell electrode, and methods for manufacturing the same. In a fuel cell 100, a base material 110 is provided with a hydrophobic ...

11/17/05 - 20050255372 - Unitized membrane electrode assembly and process for its preparation
The invention provides a unitized membrane electrode assembly having a first gas diffusion backing having sealing edges; a polymer membrane; a second gas diffusion backing having sealing edges; a first electrocatalyst coating composition present at the interface of the first gas diffusion backing and the polymer membrane; a second electrocatalyst ...

11/10/05 - 20050250002 - Composite catalyst layer, electrode and passive mixing flow field for compressionless fuel cells
The application relates to improvements to the composition and architecture of compressionless fuel cells. The invention includes a hybrid or composite catalyst layer which includes a blend of catalyst particles, such as platinum on carbon, and fibers, such as graphite fibers. The invention also relates to a castable gas diffusion ...

10/20/05 - 20050233203 - Modified carbon products, their use in fluid/gas diffusion layers and similar devices and methods relating to the same
Gas/Fluid diffusion layers incorporating modified carbon products. The modified carbon products advantageously enhance the properties of gas/fluid diffusion layers, leading to more efficiency within a fuel cell or similar device incorporating the gas/fluid diffusion layer. ...

10/20/05 - 20050233202 - Thermoplastic-imbibed diffusion media to help eliminate mea edge failure
A fuel cell that includes a blocking agent for preventing hydrogen and air from contacting bare membrane. This in turn prevents the reaction of air and hydrogen gases at outside edges of the catalyst layers. The blocking agent is deposited within diffusion media layers on one or both of the ...

10/13/05 - 20050227140 - Modified diffusion layer for use in a fuel cell system
A fuel cell diffusion layer providing a preferential path by which liquid reactants or byproducts may be supplied to or removed from a direct oxidation fuel cell is described. The modified diffusion layer will be typically on the cathode side of the fuel cell and its use is to eliminate ...

10/13/05 - 20050227139 - Device and methods for carring out electrical measurements on membrane bodies
The invention relates to a measuring arrangement for measuring electrical signals on biological membrane bodies, whereby an electroconductive acess into the membrane body is created by gap junction channels. ...

10/06/05 - 20050221163 - Nickel foam and felt-based anode for solid oxide fuel cells
A solid oxide fuel cell anode is comprised of a nickel foam or nickel felt substrate. Ceramic material such as yttria stabilized zirconia or the like is entrained within the pores of the substrate. The resulting anode achieves excellent conductivity, strength and low coefficient of thermal expansion characteristics while effectively ...

10/06/05 - 20050221162 - Catalyst structures for electrochemical fuel cells
Corrosion at the cathode catalyst may be a serious problem compromising fuel cell lifetimes. However in providing for increased corrosion resistance, an expected trade-off may occur regarding fuel cell performance. TKK (Tanaka Kikenzoku Kogyo) has solved this problem by providing both increased corrosion resistance with no concomitant loss in performance ...

09/29/05 - 20050214632 - Membrane electrode assembly and proton exchange membrane fuel cell
A membrane electrode assembly comprises a gas diffusion layer for fuel to which fuel is supplied, a catalyst layer for fuel, which includes a catalyst, a electrically conductive material and an electrolyte material, an electrolyte membrane having ionic conductivity, a catalyst layer for oxidants, which includes a catalyst, a electrically ...

09/29/05 - 20050214631 - Fuel cell and membrane electrode assembly
A fuel cell anode for oxidizing fuel, a cathode for reducing oxygen and a solid polymer electrolyte membrane sandwiched between the anode and the cathode, wherein the cathode comprises a catalyst supporter having a catalyst metal and a material having a polymer proton conductivity and a material having water-repellency, the ...

09/29/05 - 20050214630 - Gas diffusion layer and fuel cell using the same
In a gas diffusion layer for a gas diffusion electrode including at least a catalyst layer containing an electrode catalyst and a gas diffusion layer having electron conductivity and gas diffusibility, a second surface of the gas diffusion layer, which is positioned opposite to a first surface thereof to be ...

09/22/05 - 20050208367 - Carrier substrate for an electrode layer of a fuel cell and method for the production thereof
A fuel cell including a carrier substrate for an electrode layer of a cathode-electrolyte-anode unit is provided. The substrate is made of a corrosion-resistant material, is permeable to a combustible gas or oxygen, and is integrally joined to a metallic frame or plate. An electrically conductive material is supplied on ...

09/22/05 - 20050208366 - Balanced humidification in fuel cell proton exchange membranes
A fuel cell with a gas diffusion media having a hydrophobic layer adjacent a flow field plate and a hydrophilic layer adjacent the membrane electrode assembly of the fuel cell. The two layers enable balanced humidification of reactant gas along with a basis for managing capillary water addition into the ...

09/15/05 - 20050202308 - Polymer electrolyte fuel cell
In a polymer electrolyte fuel cell in which a cathode diffusion layer, a cathode electrode catalyst layer, a polymer electrolyte membrane, an anode electrode catalyst layer, and an anode diffusion layer are laminated in this order, electron conductivity of the cathode electrode catalyst layer at a portion on the side ...

08/18/05 - 20050181271 - Simplified direct oxidation fuel cell system
A simplified direct oxidation fuel cell system is provided. The fuel cell is constructed in such a manner that fuel is added to the cell anode as it is consumed and water is evaporated off at cell cathode so that there is no need for recirculation of unreacted fuel at ...

08/18/05 - 20050181270 - Proton-exchange membrane fuel cell
A proton-exchange membrane fuel cell includes a polymer electrolyte membrane, a catalyst layer provided on a surface of the polymer electrolyte membrane, a diffusion layer provided on a surface of the catalyst layer, and a membrane-electrode assembly including the polymer electrolyte membrane, the catalyst layer, and the diffusion layer. The ...

08/18/05 - 20050181269 - Microfibrous fuel cell assemblies comprising fiber-supported electrocatalyst layers, and methods of making same
The present invention relates to a microfibrous fuel cell structure of elongated form with a longitudinal axis. Such microfibrous fuel cell comprises electrocatalyst layers supported by a fiber network formed of unidirectional or substantially unidirectional conductive fibers. The conductive fibers of such fiber network are oriented parallelly or substantially parallelly ...

08/18/05 - 20050181268 - Fuel cell electrode employing porous graphite film, membrane-electrode assembly and fuel cell
A fuel cell electrode comprising a structure wherein fine particles of a noble metal or a noble metal element-containing alloy are supported on inner walls of fine pores of a porous graphite film having fine continuous pores, a fuel cell electrode having an ion-conducting electrolyte material coated on the inner ...

08/11/05 - 20050175888 - Fuel cell assembly, separator-diffusion layer assembly for fuel cell assembly and manufacturing method therefor
In a fuel cell assembly (100, 200), a diffusion layer (113, 114, 201) comprises an electroconductive film (133, 133a, 133b) formed integrally with a separator (115, 116, 115a) so as to form a unitary separator-diffusion layer assembly (130, 131, 130a, 203). The electroconductive film of the diffusion layer can be ...

08/04/05 - 20050170237 - Fuel cell
Provided is a fuel cell characterized in that a base material comprises a carbonaceous porous body having electrical conductivity in a part or the whole part and that a unit cell in which the respective layers of electrode/electrolyte/electrode are formed on the surface of the base material assumes a structure ...

07/28/05 - 20050164074 - Cathode catalyst for fuel cell
It is an object of the present invention to provide a cathode catalyst for fuel cells containing platinum and iron which can maintain the durability of a battery and can make a battery high output. The cathode catalyst for fuel cells comprises a supporting layer which consists of an alloy ...

07/14/05 - 20050153193 - Catalyst for a fuel cell, method of manufacturing the same, and fuel cell
A catalyst for a fuel cell is disclosed that includes a conductive carrier, and a catalyst layer formed to cover the conductive carrier and formed of one of Pt, Ru, and a Pt-based alloy. ...

07/07/05 - 20050147870 - Fuel cell
A fuel cell includes a diffusion layer formed in a sheet having a small thickness. The fuel cell is assembled with a tension imposed on the sheet in an in-plane direction of the sheet. The tension is imposed on the diffusion layer from a frame disposed outside the fuel cell. ...

06/30/05 - 20050142433 - Fuel cell and production method thereof
In order to prevent the crossover of an organic fuel such as methanol in a fuel cell and to exhibit excellent electricity generation characteristics without impairing the utilization efficiency of the fuel, at least either of (1) a discontinuous catalyst layer being formed on a surface of an anode catalyst ...

06/30/05 - 20050142432 - Fuel cell with randomly-dispersed carbon fibers in a backing layer
A fuel cell (40) includes first and second catalysts (12′), (14′) secured to opposed surfaces of an electrolyte (16′); a first flow field (26′) secured in fluid communication with the first catalyst (12′) defining a plurality of flow channels (30A′, 30B′, 30C′, 30D′) between a plurality of ribs (32A′, 32B′, ...

06/30/05 - 20050142431 - Solid oxide type fuel cell-use electrode support substrate and production method therefor
Disclosed is an electrode support substrate for a fuel cell which is even, gives a small fluctuation in gas permeability, and is capable of carrying out printing of an anodic electrode with high adhesiveness, and which comprises a ceramic sheet having a porosity of 20 to 50%, a thickness of ...

06/30/05 - 20050142430 - Electrolyte film electrode union, fuel cell containing the same and process for producing them
In order to further prevent the piercing of the polymer electrolyte membrane by the carbon fibers of the gas diffusion layer substrate, the rough surface of the carbon fabric is smoothed by: (1) applying a clamping pressure of 1 to 20 kgf/cm2 to the contact area between each electrode and ...

06/16/05 - 20050130028 - Fuel cell
A fuel cell includes a laminated, plate-shaped membrane electrode assembly and first and second separator plates sandwiching the membrane electrode assembly. The membrane electrode assembly includes a polymer electrolyte membrane; first and second electrode layers sandwiching the polymer electrolyte membrane; and first and second gas-diffusion layers disposed on an outer ...

06/16/05 - 20050130027 - Fuel cell catalyst layer
Fuel cell catalyst layers, and related systems and methods are disclosed. ...

06/16/05 - 20050130026 - Electrochemical battery, electrode therefor and method for manufacturing the same
An electrode of an electrochemical battery includes: an electrode catalyst and a catalyst holding body for holding and confining the electrode catalyst by being entangled with the electrode catalyst. A fabrication method of the electrode is simple, and the electrode has a small volume, high flexibility and durability. A specific ...

06/16/05 - 20050130025 - Carbonaceous material and dispersion containing the same
A water repellent carbonaceous material obtained by contacting a carbonaceous material with a water repellent material in a melted state. ...



###

FreshPatents.com Support