Methods of making oxygen distribution members for fuel cells

Details Methods of making oxygen distribution members for fuel cells Methods of making oxygen distribution members for fuel cells

1994-03-04

1995-08-29

Gorgos, Kathryn

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 39, 427115, 264105, H01M 214, H01M 200

Patent

active

054459044

ABSTRACT:
A water-pervious oxygen distribution member for a hydrogen fuel cell is made by a method comprising chemical surface treatment of a carbonaceous member to impart hydrophilicity while retaining mechanical strength and electrical properties. The oxygen-distribution member produced provides unobstructed passageways for oxygen to access the cathode while permitting water to egress through porosity of the member.

REFERENCES:
patent: 4175165 (1979-11-01), Adlhart
patent: 4185145 (1980-01-01), Breault

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