Polymer electrolyte fuel cell

Details Polymer electrolyte fuel cell Polymer electrolyte fuel cell

2005-04-26

2005-04-26

Tsang-Foster, Susy (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000

Reexamination Certificate

active

06884536

ABSTRACT:
A polymer electrolyte fuel cell comprising a hydrogen-ion conductive polymer electrolyte membrane, an anode and a cathode sandwiching the hydrogen-ion conductive polymer electrolyte membrane, an anode-side conductive separator plate having gas flow channels for supplying a fuel gas to the anode, and a cathode-side conductive separator plate having gas flow channels for supplying an oxidant gas to the cathode, wherein the anode-side and cathode-side conductive separator plates have a substantially rectangular part in contact with the anode or cathode in which the length of a longer side is equal to or more than twice the length of a shorter side, and the oxidant gas flow channels have a linear part formed along the longer side of the rectangular part.

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