Fuel cell incorporating a reinforced membrane

Details Fuel cell incorporating a reinforced membrane Fuel cell incorporating a reinforced membrane

1994-11-10

1998-08-18

Willis, Jr., Prince

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 12, H01M 810

Patent

active

057956685

ABSTRACT:
A fuel cell and a battery with a reinforced polymeric ion exchange membrane are disclosed. The membrane comprises (a) a porous support layer, preferably of fluorine-containing polymer, and (b) an ion exchange resin, preferably a fluorinated ion exchange layer(s) supported on one or both sides of the porous support layer. The total thickness of the membrane is preferably from 20 to 500 .mu.m. The membrane has low fuel crossover, high electric conductivity and high mechanical strength. The membrane may especially be used in a direct methanol fuel cell.

REFERENCES:
patent: 3692569 (1972-09-01), Grot
patent: 4453991 (1984-06-01), Grot
patent: 4604170 (1986-08-01), Miyake et al.
patent: 4897457 (1990-01-01), Nakamura et al.
patent: 5409785 (1995-04-01), Nakano et al.

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