Lithium secondary battery using ionic liquid

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United States of America Patent

PATENT NO 9225037
APP PUB NO 20130017456A1
SERIAL NO

13635837

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Abstract

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A flame-retardant lithium secondary battery is provided that has better battery performance and higher safety than conventional batteries. The lithium secondary battery uses a positive electrode that includes a positive electrode active material of the general formula (1) below, and a nonaqueous electrolytic solution in which an ionic liquid that contains bis(fluorosulfonyl)imide anions as an anionic component is used as the solvent, (1) LiNixMnyO4, wherein x and y are values that satisfy the relations x+y=2, and x:y=27.572.5 to 22.577.5.

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Patent Owner(s)

Patent OwnerAddress
DAI-ICHI KOGYO SEIYAKU CO LTDKYOTO
A SCHOOL CORPORATION KANSAI UNIVERSITY3-35 YAMATE-CHO 3-CHOME SUITA-SHI OSAKA 564-8680

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Higashizaki, Tetsuya Kyoto, JP 18 84
Ishikawa, Masashi Suita, JP 43 284
Ishiko, Eriko Kyoto, JP 13 160
Kono, Michiyuki Kyoto, JP 34 302
Sugimoto, Toshinori Kyoto, JP 41 316

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