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1. WO2010073381 - 燃料電池システム

公開番号 WO/2010/073381
公開日 01.07.2010
国際出願番号 PCT/JP2008/073784
国際出願日 26.12.2008
IPC
H01M 8/06 2006.01
H電気
01基本的電気素子
M化学的エネルギーを電気的エネルギーに直接変換するための方法または手段,例.電池
8燃料電池;その製造
06反応物質の製造または反応生成物の処理のための手段と燃料電池との結合
H01M 8/10 2006.01
H電気
01基本的電気素子
M化学的エネルギーを電気的エネルギーに直接変換するための方法または手段,例.電池
8燃料電池;その製造
10固体電解質をもつ燃料電池
CPC
H01M 8/04119
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
04082Arrangements for control of reactant parameters, e.g. pressure or concentration
04089of gaseous reactants
04119with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
H01M 8/04141
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
04082Arrangements for control of reactant parameters, e.g. pressure or concentration
04089of gaseous reactants
04119with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
04126Humidifying
04141by water containing exhaust gases
H01M 8/04358
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
04298Processes for controlling fuel cells or fuel cell systems
04313characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
0432Temperature; Ambient temperature
04358of the coolant
H01M 8/04388
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
04298Processes for controlling fuel cells or fuel cell systems
04313characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
0438Pressure; Ambient pressure; Flow
04388of anode reactants at the inlet or inside the fuel cell
H01M 8/04395
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
04298Processes for controlling fuel cells or fuel cell systems
04313characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
0438Pressure; Ambient pressure; Flow
04395of cathode reactants at the inlet or inside the fuel cell
H01M 8/045
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
04298Processes for controlling fuel cells or fuel cell systems
04313characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
04492Humidity; Ambient humidity; Water content
045of anode reactants at the inlet or inside the fuel cell
出願人
  • トヨタ自動車株式会社 TOYOTA JIDOSHA KABUSHIKI KAISHA [JP]/[JP] (AllExceptUS)
  • 奥吉 雅宏 OKUYOSHI, Masahiro [JP]/[JP] (UsOnly)
  • 松末 真明 MATSUSUE, Masaaki [JP]/[JP] (UsOnly)
  • 戸井田 政史 TOIDA, Masashi [JP]/[JP] (UsOnly)
発明者
  • 奥吉 雅宏 OKUYOSHI, Masahiro
  • 松末 真明 MATSUSUE, Masaaki
  • 戸井田 政史 TOIDA, Masashi
代理人
  • 稲葉 良幸 INABA, Yoshiyuki
優先権情報
公開言語 (言語コード) 日本語 (JA)
出願言語 (言語コード) 日本語 (JA)
指定国 (国コード)
発明の名称
(EN) FUEL CELL SYSTEM
(FR) SYSTÈME DE PILE À COMBUSTIBLE
(JA) 燃料電池システム
要約
(EN)
[Issue] The aim of the invention is to improve the accuracy of estimating the amount of residual water in a fuel cell system running in intermittent operating mode, and to accurately suppress decreases in the cell voltage caused by accumulations of water produced by intermittent operation. [Resolution Means] The fuel cell system is provided with a fuel cell containing a cell stack; an estimation unit for estimating the distribution of residual water in a reactant gas flow channel and the distribution of the water contained in an electrolyte membrane within the cell plane of each cell, by taking account of the movement of water between the anode and cathode through the electrolyte membrane; and an operation control unit for modifying the content of the intermittent operation when the amount of residual water in the reactant gas flow channel estimated by the estimation unit exceeds a prescribed threshold.
(FR)
L'objectif de l'invention est d'améliorer la précision d'estimation de la quantité d'eau résiduelle dans un système de pile à combustible fonctionnant dans un mode de fonctionnement intermittent, et de supprimer avec précision des réductions de la tension de pile dues à des accumulations d'eau produites par un fonctionnement intermittent. A cet effet, l'invention porte sur un système de pile à combustible qui est pourvu d'une pile à combustible contenant un empilement de pile ; d'une unité d'estimation pour estimer la distribution d'eau résiduelle dans un canal d'écoulement de gaz réactif et la distribution d'eau contenue dans une membrane électrolytique dans le plan de pile de chaque pile, en tenant compte du mouvement de l'eau entre l'anode et la cathode à travers la membrane électrolytique, et d'une unité de commande de fonctionnement pour modifier le contenu du fonctionnement intermittent lorsque la quantité d'eau résiduelle dans le canal d'écoulement de gaz réactif estimée par l'unité d'estimation dépasse un seuil prescrit.
(JA)
 【課題】間欠運転のモードを取り入れている燃料電池システムにおいて、残水量の推定精度を向上し、間欠運転による水溜りを起因としたセル電圧の低下を精度良く抑制することを目的とする。 【解決手段】燃料電池システムは、セル積層体を含む燃料電池と、電解質膜を介してアノード電極とカソード電極との間で行われる水移動を考慮して、各単セルのセル面内における反応ガス流路の残水量分布及び電解質膜の含水量分布を推定する推定部と、推定部により推定された反応ガス流路の残水量が所定の閾値以上である場合に、間欠運転の内容を変更する運転制御部と、を備えたものである。
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