FUEL CELL

FUEL CELL

PROBLEM TO BE SOLVED: To easily and reliably drain produced water which is induced from a reactant gas passage to an outlet buffer part, to a reactant gas outlet communication hole, in simple and economical constitution. SOLUTION: A power generation unit 12 composing a fuel cell stack 10 includes a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: OGAMI OSAMU, CHIBA HIROTO, SATO SHUJI, KESATO MASAHIRO, IWAZAWA TSUTOMU
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 easily and reliably drain produced water which is induced from a reactant gas passage to an outlet buffer part, to a reactant gas outlet communication hole, in simple and economical constitution. SOLUTION: A power generation unit 12 composing a fuel cell stack 10 includes a first metallic separator 14. The first metallic separator 14 has an inlet buffer part 37a and an outlet buffer part 37b in the upper and lower parts in a first fuel gas passage 36. A plurality of grooves 44 continuously stringing from the lower part side of the first fuel gas passage 36 to a through hole 42b are formed by working the metal surface of the first metallic separator 14 in the outlet buffer part 37b. COPYRIGHT: (C)2010,JPO&INPIT