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1. CA2991562 - FUEL CELL SYSTEM

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Office
Canada
Application Number 2991562
Application Date 08.07.2015
Publication Number 2991562
Publication Date 12.01.2017
Grant Number
Grant Date 03.09.2019
Publication Kind C
IPC
H01M 8/04
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
H01M 8/12
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
12operating at high temperature, e.g. with stabilised ZrO2 electrolyte
CPC
H01M 8/0625
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
06Combination of fuel cells with means for production of reactants or for treatment of residues
0606with means for production of gaseous reactants
0612from carbon-containing material
0625in a modular combined reactor/fuel cell structure
H01M 8/0637
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
06Combination of fuel cells with means for production of reactants or for treatment of residues
0606with means for production of gaseous reactants
0612from carbon-containing material
0637Direct internal reforming at the anode of the fuel cell
H01M 8/1213
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
12operating at high temperature, e.g. with stabilised ZrO2 electrolyte
1213characterised by the electrode/electrolyte combination or the supporting material
H01M 8/249
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
24Grouping of fuel cells, e.g. stacking of fuel cells
249comprising two or more groupings of fuel cells, e.g. modular assemblies
H01M 4/8636
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
8636with a gradient in another property than porosity
H01M 4/8642
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
8636with a gradient in another property than porosity
8642Gradient in composition
Applicants NISSAN MOTOR CO., LTD.
Inventors YAGUCHI, TATSUYA
KAMIJO, MOTOHISA
Title
(EN) FUEL CELL SYSTEM
(FR) SYSTEME DE PILES A COMBUSTIBLE
front page image
Abstract
(EN) The present invention comprises a plurality of fuel cells connected to each other in series, and a reformer configured to reform raw fuel, wherein reformed fuel by the reformer is supplied to a first stage of the plurality of fuel cells, and the fuel cell on the first stage is provided with a methane reaction suppressing function which suppresses reaction of methane included in the reformed fuel to a larger extent than at least one fuel cell on a second and later stages. Suppressing temperature drop due to endothermic reaction in the fuel cell on the first stage can improve the efficiency of electric power generation of the fuel cell system having the plurality of fuel cells arranged in series.
(FR) La présente invention comprend une pluralité de piles à combustible connectées les unes aux autres en série, et un reformeur pour reformer le combustible brut. Le combustible reformé sortant du reformeur est transféré dans le premier étage de la pluralité de piles à combustible. Les piles à combustible dans le premier étage sont équipées d'une fonction d'inhibition de la réaction du méthane, de sorte que la réaction du méthane contenu dans le combustible reformé est plus fortement inhibée que dans au moins une des piles à combustible du deuxième étage ou des étages suivants. Dans le système de piles à combustible où la pluralité de piles à combustible sont disposées en série, l'efficacité de la production d'énergie peut être améliorée par la suppression d'une diminution de température provoquée par une réaction endothermique dans une pile à combustible du premier étage.
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