ELECTRODE STRUCTURE FOR SOLID POLYMER FUEL CELL

PROBLEM TO BE SOLVED: To provide an electrode structure for a solid polymer fuel cell capable of suppressing reduction of the power generation property of the fuel cell by suppressing deposition of a ruthenium component at an anode diffusion layer even in a condition of shortage of fuel and in a hig...

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Main Authors INAI SHIGERU, KACHI ISATO, WATANABE SHINYA, TANI MASAKI, FUKUDA KAORU, MURO TAKASHI
Format Patent
LanguageEnglish
Published 02.07.2004
Edition7
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:PROBLEM TO BE SOLVED: To provide an electrode structure for a solid polymer fuel cell capable of suppressing reduction of the power generation property of the fuel cell by suppressing deposition of a ruthenium component at an anode diffusion layer even in a condition of shortage of fuel and in a high voltage operation. SOLUTION: In the electrode structure composed of a polymer electrolyte membrane, and an anode and a cathode having a catalyst layer and a diffusion layer, ruthenium is dispersedly distributed on a boundary surface between an anode catalyst layer and the anode diffusion layer and/or on a boundary surface between the polymer electrolyte membrane and the anode catalyst layer. COPYRIGHT: (C)2004,JPO&NCIPI
Bibliography:Application Number: JP20020347953