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1. EP2982000 - FUEL CELL HAVING MULTIPLE DUPLICATE ANODE SUBSTRATE LAYERS

Office
European Patent Office
Application Number 13881414
Application Date 02.04.2013
Publication Number 2982000
Publication Date 10.02.2016
Publication Kind A4
IPC
H01M 4/86
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
H01M 8/0245
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
02Details
0202Collectors; Separators, e.g. bipolar separators; Interconnectors
023Porous and characterised by the material
0241Composites
0245in the form of layered or coated products
H01M 8/0258
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
02Details
0202Collectors; Separators, e.g. bipolar separators; Interconnectors
0258characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/04276
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
04Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
04276Arrangements for managing the electrolyte stream, e.g. heat exchange
H01M 8/086
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
08Fuel cells with aqueous electrolytes
086Phosphoric acid 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 8/0245
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
02Details
0202Collectors; Separators, e.g. bipolar separators; Interconnectors
023Porous and characterised by the material
0241Composites
0245in the form of layered or coated products
H01M 8/04283
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
04Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
04276Arrangements for managing the electrolyte stream, e.g. heat exchange
04283Supply means of electrolyte to or in matrix-fuel cells
H01M 8/086
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
08Fuel cells with aqueous electrolytes
086Phosphoric acid fuel cells [PAFC]
Y02E 60/50
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
60Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
30Hydrogen technology
50Fuel cells
H01M 8/0258
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
02Details
0202Collectors; Separators, e.g. bipolar separators; Interconnectors
0258characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
Applicants DOOSAN FUEL CELL AMERICA INC
Inventors KHANDELWAL MANISH
OSEPOWICZ NICHOLAS EDWARD
Designated States
Title
(DE) BRENNSTOFFZELLE MIT MEHREREN DOPPELTEN ANODENSUBSTRATSCHICHTEN
(EN) FUEL CELL HAVING MULTIPLE DUPLICATE ANODE SUBSTRATE LAYERS
(FR) PILE À COMBUSTIBLE AYANT PLUSIEURS COUCHES DE SUBSTRAT D'ANODE DUPLIQUÉES
Abstract
(EN)
The fuel cell (100) includes an oxidant flow plate (212), an adjacent cathode substrate layer (216) having a cathode catalyst (222), a matrix (224) for retaining a liquid electrolyte (230), wherein the matrix (224) is secured adjacent and between the cathode catalyst (222) and an anode catalyst (232). A first anode substrate (102) is secured adjacent the anode catalyst (232), and at least a second duplicate anode substrate layer (108) is secured adjacent the first anode substrate layer (102) for providing greater pore volume for storage of the liquid electrolyte (230) and to limit obstruction of the pore volume of the anode substrates (102, 108). The duplicate anode substrate layer (108) may be partially filled with the liquid electrolyte (230) at the beginning of life of the fuel cell (100).

(FR)
L'invention concerne une pile à combustible (100) qui comprend une plaque de circulation d'oxyde (212), une couche de substrat de cathode (216) adjacente ayant un catalyseur de cathode (222), une matrice (224) permettant de retenir un électrolyte liquide (230), la matrice (224) étant fixée de manière adjacente et entre le catalyseur de cathode (222) et un catalyseur d'anode (232). Un premier substrat d'anode (102) est fixé de manière adjacente au catalyseur d'anode (232), et au moins une deuxième couche de substrat d'anode (108) dupliquée est fixée de manière adjacente à la première couche de substrat d'anode (102) pour assurer un volume de pores supérieur pour contenir l'électrolyte liquide (230) et pour limiter l'obstruction du volume de pores des substrats d'anode (102, 108). La couche de substrat d'anode (108) dupliquée peut être partiellement remplie de l'électrolyte liquide (230) au début de la vie de la pile à combustible (100).