Direct oxidation fuel cell with a divided fuel tank having a...

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation

Reexamination Certificate

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C429S010000, C429S010000

Reexamination Certificate

active

07413824

ABSTRACT:
The present invention provides improved, low-cost fuel cells having reduced fuel crossover, reduced sensitivity to metal ion impurities and ability to operate under a broad range of temperatures. The invention further provides improved methods for catalyst preparation and a new integrated flow field system for use in H2/O2fuel cells.

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