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Class 429/44 - Having an inorganic matrix, substrate or support


Subclass of Class 429 - Chemistry: electrical current producing apparatus, product, and process
Definition: Apparatus having distinct inorganic materials functioning
No. of patents: 894
Last issue date: 10/26/2010


1                      
NumberTitleIssue Date
7820316Membrane electrode assembly and fuel cell
A membrane electrode assembly includes a fluorine-based ion exchange resin membrane, a diffusion layer and a catalyst layer that supports a battery reaction. The catalyst layer is formed from Pt-carrying carbon nanotubes that is oriented on the fluorine-based ion ex...
10/26/2010
7781123Method 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 N...
08/24/2010
7771860Catalyst of a fuel cell, and membrane-electrode assembly and fuel cell system including catalyst
A fuel cell catalyst includes a carbon-containing core, and an active metal shell attached to the carbon core by an ionomer. The catalyst has a high catalyst utility, and facilitates a highly efficient and high power fuel cell. The ionomer is disposed between the ac...
08/10/2010
7767330Conductive 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 ...
08/03/2010
7745037Membrane 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 pa...
06/29/2010
7732087Catalyst for fuel cell, and membrane-electrode assembly for fuel cell and fuel cell system including same
The catalyst for a fuel cell includes a carbon-based material, and Re-Ch supported on the carbon-based material, wherein Ch is selected from the group consisting of S, Se, Te, and combinations thereof. The cathode catalyst has high activity and selectivity for reduc...
06/08/2010
7727665Fuel 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-...
06/01/2010
7722980Solid 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 embedd...
05/25/2010
7722981Electro-catalyst composition, fuel cell electrode, and membrane-electrode assembly
Disclosed are an electro-catalyst composition and a precursor electro-catalyst composition (e.g., ink or suspension) for use in a fuel cell that exhibits improved power output. The electro-catalyst composition comprises: (a) a catalyst un-supported or supported on a...
05/25/2010
7718304Electrode for fuel cell, method of producing the same, and fuel cell including the electrode
An electrode, a method of producing the same, and a fuel cell including the electrode are disclosed. The electrode includes: a support; and a catalyst layer formed on the support, the catalyst layer includes: a support catalyst; and a proton conductor having an amor...
05/18/2010
7704630Fuel 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...
04/27/2010
7695851Platinum, tungsten and nickel containing electrocatalysts
The present teachings are directed toward electrocatalyst compositions of alloys of platinum, tungsten and nickel for use in fuel cells. The alloys consists essentially of platinum present in an atomic percentage ranging between about 20 percent and about 45 percent...
04/13/2010
7691524Anode material for a high temperature fuel cell
Anode material for a fuel cell which is to be operated at a high temperature above 700° C., which anode material is a porous composite material with a heterogeneous phase of solid materials which is formed by two reticular systems which penetrate each other in inte...
04/06/2010
7687187Polymer electrolyte fuel cell
A polymer electrolyte fuel cell consists of plural units, and the unit has an anode side separator, an anode diffusion layer, an anode catalytic layer, polymer electrolyte membrane, a cathode catalytic layer, a cathode diffusion layer, and a cathode side separator. ...
03/30/2010
7670713Fuel 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 inorgani...
03/02/2010
7655346Electrode 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 ...
02/02/2010
7632601Palladium-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 f...
12/15/2009
7625661Diffusion 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 patt...
12/01/2009
7622217Fuel 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 ...
11/24/2009
7611796Solid-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...
11/03/2009
7595127Nano-composite electrodes and method of making the same
A method of making ceramic electrode materials comprising intimate mixtures of two or more components, including at least one nanoscale ionically conducting ceramic electrolyte material (e.g., yttrium-stabilized zirconia, gadolinium-doped ceria, samarium-doped ceria...
09/29/2009
7592093Method 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 e...
09/22/2009
7588857Chalcogen catalysts for polymer electrolyte fuel cell
A methanol-tolerant cathode catalyst and a membrane electrode assembly for fuel cells that includes such a cathode catalyst. The cathode catalyst includes a support having at least one transition metal in elemental form and a chalcogen disposed on the support. Metho...
09/15/2009
7588856Resistive-varying electrode structure
An electrode structure for a low voltage, high current electrical production device includes a charge transfer member (612). An electrically conductive member (605) having a non-uniform resistance is disposed on the charge transfer member 612 fo...
09/15/2009
7572543Supported 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 cat...
08/11/2009
7566514Catalyst for cathode in fuel cell
A catalyst particle having high oxygen reduction reactivity and low methanol oxidation reactivity, a supported catalyst comprising the catalyst particle, and a fuel cell using a cathode comprising the supported catalyst are provided. The whole catalyst particle or a...
07/28/2009
7553580Electrode substrate for a fuel cell, a method for preparing the same, and a membrane-electrode assembly comprising the same
An electrode substrate for a fuel cell including a diffusion layer, a first microporous layer that embeds into the diffusion layer, with the first microporous layer having a thickness in the range of 10 to 30 μm, and a second microporous layer that forms a boundary...
06/30/2009
7531267Process for preparing carbon nanotube electrode comprising sulfur or metal nanoparticles as a binder
The present invention provides an electrode made of carbon nanotubes or carbon nanofibers and a process for preparing the same. The electrode comprising a current collector, sulfur or metal nanoparicles as a binder, and carbon nanotubes or carbon nanofibers is chara...
05/12/2009
7521147Fuel cell comprising current collectors integrated in the electrode-membrane-electrode stack
The invention relates to a fuel cell with a stack comprising an electrolytic membrane (4), with front and rear faces (4a, 4b) on which first and second current collectors (13, 15) are respectively arranged, each comprising a...
04/21/2009
7517606Fuel cells and batteries including metal-carbon composite powders
A fuel cell comprising a catalytic layer including substantially spherical metal-carbon catalyst particles having a weight average particle size of at least about 0.1 micron and not greater than about 20 micron, wherein the catalyst particles comprise a metal phase ...
04/14/2009
7507495Hydrogen absorption induced metal deposition on palladium and palladium-alloy particles
The present invention relates to methods for producing metal-coated palladium or palladium-alloy particles. The method includes contacting hydrogen-absorbed palladium or palladium-alloy particles with one or more metal salts to produce a sub-monoatomic or monoatomic...
03/24/2009
7494741Fuel cell with a porous electron collection layer formed by stacking conductive material particles
To provide a fuel cell which has a reaction layer having good reaction efficiency and an electron collection layer to efficiently collect electrons generated at the reaction layer and of which the output density is high and the characteristic is good and a method of...
02/24/2009
7476461Methods 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 ...
01/13/2009
7442462Polymer electrolyte membrane fuel cell with tandem fuel tanks and inertial trigger
A fuel cell apparatus includes tandem storage tanks containing activation devices that release the oxidant gas and fuel gas to the fuel cell membrane when needed. The membrane assemblies surround the storage tanks, overlapping one another in a configuration more sui...
10/28/2008
7438987Carbon fuel particles used in direct carbon conversion fuel cells
A system for preparing particulate carbon fuel and using the particulate carbon fuel in a fuel cell. Carbon particles are finely divided. The finely dividing carbon particles are introduced into the fuel cell. A gas containing oxygen is introduced into the fuel cell...
10/21/2008
7435504Platinum, tungsten, and nickel or zirconium containing electrocatalysts
The present teachings are directed toward electrocatalyst compositions of alloys of platinum, tungsten and one of either of nickel or zirconium for use in fuel cells. The alloys consists essentially of platinum present in an atomic percentage ranging between about 2...
10/14/2008
7432008Gas diffusion layer for an electrochemical cell
An electrochemical cell includes: a membrane electrode assembly: first and second reactant flow field plates for providing first and second reactant flow fields disposed on either side of the membrane electrode assembly. A first seal is disposed between the first re...
10/07/2008
7432009Lamination apparatus and methods
Components for the manufacture of polymer electrolyte membrane fuel cells are provided, as well as apparatus and automatable methods for their manufacture by rotary die cutting and by lamination of various layers to form membrane electrode assemblies. A method and a...
10/07/2008
7432006Electrochemical probe for screening multiple-cell arrays
Novel systems for combinatorially screening an array of electrochemical cells are disclosed. The screening aparatus may comprise a system of electrodes and electrolytes common to each of the members of an electrochemical cell array. An electrochemical probe is used ...
10/07/2008
7425384Direct methanol feed fuel cell and system
Improvements to non acid methanol fuel cells include new formulations for materials. The platinum and ruthenium are more exactly mixed together. Different materials are substituted for these materials. The backing material for the fuel cell electrode is specially tr...
09/16/2008
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