ELECTRODE CATALYST COVERING AGENT FOR PROTON EXCHANGE FILM TYPE FUEL CELL

ELECTRODE CATALYST COVERING AGENT FOR PROTON EXCHANGE FILM TYPE FUEL CELL

PROBLEM TO BE SOLVED: To improve an electrode excess voltage at an oxygen electrode of a proton exchange film type fuel cell in an electrode catalyst covering agent disposed on a catalyst layer of a gas diffusion electrode constituting the fuel cell and formed of a chemical compound having a proton...

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Bibliographische Detailangaben
Hauptverfasser: OKUYAMA KAZUO, SUZUKI YOSHIO, NOAKI YASUHIDE, TAKARADA HIROYOSHI
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Zusammenfassung:PROBLEM TO BE SOLVED: To improve an electrode excess voltage at an oxygen electrode of a proton exchange film type fuel cell in an electrode catalyst covering agent disposed on a catalyst layer of a gas diffusion electrode constituting the fuel cell and formed of a chemical compound having a proton exchange group. SOLUTION: Equivalent weight of a fluorine-containing polymer forming the covering agent is limited in a range of 1,080-840 g/eq in terms of a precursor polymer having -SO2F in its terminal. COPYRIGHT: (C)2006,JPO&NCIPI