Nonaqueous electrolyte solution, and lithium ion secondary battery having the same

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United States of America Patent

PATENT NO 9847180
SERIAL NO

14978503

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Abstract

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The exemplary embodiment has an object to provide a nonaqueous electrolyte solution having a flame retardancy over a long period and having a good capacity maintenance rate. The exemplary embodiment is a nonaqueous electrolyte solution containing a lithium salt, at least one oxo-acid ester derivative of phosphorus selected from compounds represented by a predetermined formula, and at least one disulfonate ester selected from a cyclic disulfonate ester and a linear disulfonate ester represented by the predetermined formulae.

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Patent Owner(s)

Patent OwnerAddress
NEC ENERGY DEVICES LTDCHUO-KU SAGAMIHARA-SHI KANAGAWA 252-5298

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hashizume, Yoko Sagamihara, JP 22 215
Ishikawa, Hitoshi Sagamihara, JP 133 1637
Kaneko, Shinako Sagamihara, JP 46 429
Suzuki, Eiji Sagamihara, JP 132 1290

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