REINFORCING SHEET FOR SOLID ELECTROLYTE MEMBRANE
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United States of America Patent
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Issued Date -
Feb 14, 2013
app pub date -
Mar 7, 2011
filing date -
Mar 8, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The reinforcing sheet according to the present invention includes glass fibers and an organic binder that coats the glass fibers, and has voids to be filled with a solid electrolyte. The organic binder is (i) an organic polymer containing no element other than carbon, hydrogen and fluorine; or (ii) an organic polymer having a main chain and side chains, the main chain being perfluoroalkylene, and at least one of the side chains being terminated with a sulfonic acid group or a carboxylic acid group. The reinforcing sheet according to the present invention is suitable for improving the durability of a solid electrolyte membrane and maintaining the chemical stability thereof.
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