Bipolar plate for PEM fuel cells

Details Bipolar plate for PEM fuel cells Bipolar plate for PEM fuel cells

2003-09-22

2009-12-08

Crepeau, Jonathan (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000

Reexamination Certificate

active

07629070

ABSTRACT:
The bipolar plate for PEM fuel cells made of a polymer blend which is filled with conductivity-enhancing carbon fillers and which includes at least two mutually nonmiscible blend polymers, is distinguished by the fact that the at least two blend polymers form a co-continuous structure and the carbon fillers are at a higher concentration in one of the blend polymers or in the phase between the blend polymers, or that a blend polymer in which the carbon fillers are at a higher concentration forms a continuously conductive matrix in which the at least one further blend polymer is intercalated.

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