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1. WO2010132556 - MEMBRANE AND CATALYST COMPOSITE FOR MEMBRANE ELECTRODE ASSEMBLY

Publication Number WO/2010/132556
Publication Date 18.11.2010
International Application No. PCT/US2010/034527
International Filing Date 12.05.2010
IPC
H01M 8/10 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
10Fuel cells with solid electrolytes
H01M 4/94 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
86Inert electrodes with catalytic activity, e.g. for fuel cells
94Non-porous diffusion electrodes, e.g. palladium membranes, ion exchange membranes
H01M 4/86 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
86Inert electrodes with catalytic activity, e.g. for fuel cells
CPC
H01M 4/8605
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
86Inert electrodes with catalytic activity, e.g. for fuel cells
8605Porous electrodes
H01M 4/881
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
86Inert electrodes with catalytic activity, e.g. for fuel cells
88Processes of manufacture
8803Supports for the deposition of the catalytic active composition
881Electrolytic membranes
H01M 4/8817
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
86Inert electrodes with catalytic activity, e.g. for fuel cells
88Processes of manufacture
8817Treatment of supports before application of the catalytic active composition
H01M 4/92
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
86Inert electrodes with catalytic activity, e.g. for fuel cells
90Selection of catalytic material
92Metals of platinum group
H01M 4/94
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
86Inert electrodes with catalytic activity, e.g. for fuel cells
94Non-porous diffusion electrodes, e.g. palladium membranes, ion exchange membranes
H01M 8/1004
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
10Fuel cells with solid electrolytes
1004characterised by membrane-electrode assemblies [MEA]
Applicants
  • UNIVERSITY OF MAINE SYSTEM BOARD OF TRUSTEES [US]/[US] (AllExceptUS)
  • SHAHINPOOR, Mohsen [US]/[US] (UsOnly)
  • DVORAK, David [US]/[US] (UsOnly)
Inventors
  • SHAHINPOOR, Mohsen
  • DVORAK, David
Agents
  • SUTTER, Gary, M.
Priority Data
61/177,44512.05.2009US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) MEMBRANE AND CATALYST COMPOSITE FOR MEMBRANE ELECTRODE ASSEMBLY
(FR) COMPOSITE DE CATALYSEUR ET DE MEMBRANE POUR ENSEMBLE D'ÉLECTRODE À MEMBRANE
Abstract
(EN) A membrane and catalyst composite includes an ion-conducting membrane having a surface for the passage of ions, and having a near boundary layer that includes the surface and extends a distance into the membrane. A layer of electrocatalyst particles are embedded in the near boundary layer of the membrane to produce an electrode. The electrode has a porosity that allows the flow of gas through the electrode, and it has a surface roughness that increases the catalytically-active area of the electrode.
(FR) Le composite de catalyseur et de membrane selon la présente invention inclut une membrane conductrice ionique dotée d'une surface destinée au passage d'ions et dotée d'une couche limite proche qui inclut la surface et s'étend sur une certaine distance dans la membrane. Une couche de particules électrocatalytiques est intégrée dans la couche limite proche de la membrane afin de produire une électrode. L'électrode a une porosité qui permet l'écoulement de gaz à travers l'électrode et une rugosité de surface qui augmente la zone catalytiquement active de l'électrode.
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