Rechargeable galvanic lithium cell
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United States of America Patent
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Feb 14, 1995
Grant Date -
N/A
app pub date -
May 11, 1994
filing date -
May 21, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Nontoxic, chemically stable lithium tris(fluorosulphonyl)methanide, LiC(SO.sub.2 F).sub.3, is used as a conducting salt for rechargeable lithium cells containing nonaqueous electrolytes based on esters or polymeric electrolytes such as polyethylene oxide. The cell electrolyte is preferably comprised of an approximately 1 molar solution of the salt in a mixture of 50% by volume of ethylene carbonate (EC) and 50% by volume of diethyl carbonate (DEC).
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