Direct methanol feed fuel cell with reduced catalyst loading

Details Direct methanol feed fuel cell with reduced catalyst loading Direct methanol feed fuel cell with reduced catalyst loading

1998-02-10

1999-11-30

Bell, Bruce F.

Metal working

Means to assemble or disassemble

Means to assemble electrical device

29746, 429 30, 429 33, 429 42, 427115, 502101, B23P 1900

Patent

active

059920084

ABSTRACT:
Improvements to direct feed methanol fuel cells include new protocols for component formation. Catalyst-water repellent material is applied in formation of electrodes and sintered before application of ionomer. A membrane used in formation of an electrode assembly is specially pre-treated to improve bonding between catalyst and membrane. The improved electrode and the pre-treated membrane are assembled into a membrane electrode assembly.

REFERENCES:
patent: 5336384 (1994-08-01), Tsou, et al.
patent: 5599638 (1997-02-01), Surampudi et al.
patent: 5773162 (1998-06-01), Surampudi et al.

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