Electrolyte support member for high differential pressure...

Details Electrolyte support member for high differential pressure... Electrolyte support member for high differential pressure...

2007-05-15

2007-05-15

Bell, Bruce F. (Department: 1746)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000, C429S006000, C429S047000, C204S279000, C204S283000, C204S284000, C029S557000, C029S558000, C264S469000, C264S470000, C264S482000

Reexamination Certificate

active

10739650

ABSTRACT:
A support member is useful for supporting membranes such as solid polymer electrolyte ion exchange membranes such as those used in electrochemical cell applications. The support member has a first lattice pattern on a first side of a single piece of material. A second lattice pattern on a second side of the single piece of material cooperates with the first lattice pattern to establish a plurality of flow passages across the material. Each lattice pattern has a corresponding plurality of recesses that extend partway through the material and overlapping portions of the recesses define the flow passages. In a disclosed example, the monolithic support member lattice patterns are established using chemical etching.

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