Process of making a membrane with internal passages
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United States of America Patent
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-
Jun 29, 1999
Issued Date -
N/A
app pub date -
Feb 26, 1997
filing date -
Jul 13, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention provides in improved proton exchange membrane for use in electrochemical cells having internal passages parallel to the membrane surface, an apparatus and process for making the membrane, membrane and electrode assemblies fabricated using the membrane, and the application of the membrane and electrode assemblies to a variety of devices, both electrochemical and otherwise. The passages in the membrane extend from one edge of the membrane to another and allow fluid flow through the membrane and give access directly to the membrane for purposes of hydration.
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