Novel solid polymer electrolytes
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United States of America Patent
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Oct 29, 1991
Grant Date -
N/A
app pub date -
Feb 7, 1990
filing date -
Feb 7, 1990
priority date (Note) -
Expired
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Abstract
An amorphous ionically conductive macromolecular solid is set forth having improved ambient temperature ionic conductivity. The solid comprises a solid solution of at least one positively charged ionic species dissolved in a macromolecular material, the macromolecular material comprising a polymer or copolymer having a polyether structure and having at least a portion of the ether oxygens thereof replaced with S or NR wherein R includes at least one basic site capable of associating with the positively charged ionic species and has 2 to 10 carbon atoms. Relatively high conductivity is a feature of the macromolecular solid of the invention.
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