Multi-layer polymeric electrolytes for electrochemical devices
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United States of America Patent
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Jul 20, 1999
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May 6, 1996
filing date -
May 6, 1996
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Abstract
Composite layered solid or semi-solid state polymeric electrolytes which contain at least a first layer which is a tough, mechanically strong adhesive layer which is non-reactive with alkali metal and preferably polyalkylene oxide based such as PEO, which is applied to an anode, and a second layer applied to a cathode which is a moist, adhesive layer which may be reactive with alkali metal, is loaded with aprotic liquids and alkali metal salts which activates the first layer and maintains the cell integrity.
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