Brazed bipolar plates for PEM fuel cells

Details Brazed bipolar plates for PEM fuel cells Brazed bipolar plates for PEM fuel cells

1996-12-23

1998-07-07

Maples, John S.

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 33, 429 34, 429210, H01M 804, H01M 810

Patent

active

057766240

ABSTRACT:
A liquid-cooled, bipolar plate separating adjacent cells of a PEM fuel cell comprising corrosion-resistant metal sheets brazed together so as to provide a passage between the sheets through which a dielectric coolant flows. The brazement comprises a metal which is substantially insoluble in the coolant.

REFERENCES:
patent: 4678724 (1987-07-01), McElroy
patent: 4977041 (1990-12-01), Shiozawa et al.
patent: 5252410 (1993-10-01), Wilkinson et al.
patent: 5470679 (1995-11-01), Luns et al.
patent: 5496655 (1996-03-01), Lessing

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