POLYELECTROLYTE FUEL CELL-USE SEPARATOR AND POLYELECTROLYTE FUEL CELL

POLYELECTROLYTE FUEL CELL-USE SEPARATOR AND POLYELECTROLYTE FUEL CELL

A separator for a polymer electrolyte fuel cell, which contains electrically conductive carbon and a binder that binds the electrically conductive carbon, comprises a reaction gas passage formed on at least a main surface thereof, wherein a water droplet falling angle of a surface the reaction gas p...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KAWASHIMA, Tsutomu, YASUMOTO, Eiichi, TAKEBE, Yasuo, TERANISHI, Masatoshi, SHIBATA, Soichi, NAGASAKI, Tatsuo, SUKAWA, Toru, UNOKI, Shigeyuki, KANBARA, Teruhisa, HATOH, Kazuhito
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
TESTING
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Beschreibung
Zusammenfassung:A separator for a polymer electrolyte fuel cell, which contains electrically conductive carbon and a binder that binds the electrically conductive carbon, comprises a reaction gas passage formed on at least a main surface thereof, wherein a water droplet falling angle of a surface the reaction gas passage is not less than 5 degrees and not more than 45 degrees when a water droplet of not less than 50 µ L and not more than 80 µ L is dropped under a condition in which ambient temperature is not lower than 50°C and not higher than 90°C and relative humidity is not less than 70% and not more than 100%.