Polyimide-based lithium ion battery
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United States of America Patent
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Sep 17, 2002
Grant Date -
N/A
app pub date -
Aug 11, 2000
filing date -
Oct 18, 1999
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Abstract
A polyimide-based lithium ion battery is presented. The battery comprises at least one anode and at least one ionically conductive and electrochemically active cathode; or at least one ionically conductive and electrochemically active anode and a cathode; or at least one ionically conductive and electrochemically active anode and at least one ionically conductive and electrochemically active cathode. The source of the ionic conductivity and electronic activity. in either the anode, the cathode (or both) lies in a solid electrolyte polyimide binder comprising a lithium salt and a pre-imidized soluble, amorphous, thermoplastic polyimide powder. The batteries of the present invention do not require adhesives or interlayer bonding which may fail and they have at least one ionically conductive and electrochemically active electrode, enhancing the overall performance of the battery.
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