Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Patent
1997-10-10
2000-03-28
Nuzzolillo, Maria
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
429 40, 429 41, 429 42, 204296, 204283, 296233, H01M 810, H01M 486
Patent
active
060429593
ABSTRACT:
A method is provided for making a membrane electrode that employs a composite membrane, which include both a porous membrane and an ion conducting electrolyte, by partially filling a porous membrane with an ion conducting electrolyte to form a partially filled membrane and then compressing the partially filled membrane with electrode particles so as to remove void volume from the partially filled membrane and embed the electrode particles in the partially filled membrane. The membrane electrode of this invention is suitable for use in electrochemical devices, including proton exchange membrane fuel cells, electrolyzers, chlor-alkali separation membranes, and the like.
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Debe Mark K.
Pham Thao Ngoc
Steinbach Andrew J.
3M Innovative Properties Company
Dahl Philip Y.
Nuzzolillo Maria
Weiner Laura
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