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1. WO2017006450 - FUEL CELL SYSTEM

Publication Number WO/2017/006450
Publication Date 12.01.2017
International Application No. PCT/JP2015/069594
International Filing Date 08.07.2015
Chapter 2 Demand Filed 26.04.2016
IPC
H01M 8/04 2016.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
04Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
H01M 8/12 2016.1
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
12operating at high temperature, e.g. with stabilised ZrO2 electrolyte
CPC
H01M 2004/8684
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
8678characterised by the polarity
8684Negative electrodes
H01M 2008/1293
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
1293Fuel cells with solid oxide electrolytes
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 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
H01M 4/8652
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
8647consisting of more than one material, e.g. consisting of composites
8652as mixture
Applicants
  • 日産自動車株式会社 NISSAN MOTOR CO., LTD. [JP]/[JP]
Inventors
  • 矢口 竜也 YAGUCHI, Tatsuya
  • 上條 元久 KAMIJO, Motohisa
Agents
  • 三好 秀和 MIYOSHI, Hidekazu
Priority Data
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) FUEL CELL SYSTEM
(FR) SYSTÈME DE PILES À COMBUSTIBLE
(JA) 燃料電池システム
Abstract
(EN) The present invention comprises a plurality of fuel cells connected to one another in series, and a reformer for reforming raw fuel. The reformed fuel from the reformer is supplied to a first stage of the plurality of fuel cells. The fuel cells in the first stage are equipped with a methane reaction suppression function whereby the reaction of the methane contained in the reformed fuel is more suppressed than at least one of the fuel cells in a second or further stage. In the fuel cell system where the plurality of fuel cells are disposed in series, power-generation efficiency can be improved by limiting a decrease in temperature caused by an endothermic reaction in a fuel cell of the first stage.
(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.
(JA) 本発明は、互いに直列に接続される複数の燃料電池と、原燃料を改質する改質器と、を有し、改質器による改質燃料が複数の燃料電池の一段目に供給され、一段目の燃料電池は、二段目以降の少なくとも一つの燃料電池よりも、改質燃料に含まれるメタンの反応を抑制するメタン反応抑制機能を備えているものである。一段目の燃料電池の吸熱反応による温度低下を抑制することにより、複数の燃料電池を直列に配置した燃料電池システムの発電効率を向上させることができる。
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