Nonaqueous electrolyte secondary battery
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United States of America Patent
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Dec 1, 1992
Grant Date -
N/A
app pub date -
Mar 12, 1992
filing date -
Mar 13, 1991
priority date (Note) -
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Abstract
A nonaqueous electrolyte secondary battery includes a cathode of a carbon material that can be doped or undoped with lithium, an anode of a primary active material composed of a composite oxide of lithium and cobalt, the cathode and the anode being disposed in a casing. LiPF.sub.6 is dissolved in a solvent of propylene carbonate and 1,2-dimethoxyethane, and a powder of Al.sub.2 O.sub.3 is dispersed in the solution. The dispersion is poured as an electrolytic solution in the casing.
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