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Title:
BATTERY, BATTERY PACK, ELECTRONIC DEVICE, ELECTRIC VEHICLE, AND ELECTRICITY STORAGE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/208791
Kind Code:
A1
Abstract:
A battery is provided with a positive electrode, a negative electrode and an electrolytic solution. The positive electrode has a positive electrode active material layer containing a fluorine-based binder having a melting point of 166°C or lower. The content of the fluorine-based binder in the positive electrode active material layer is 0.7 to 2.8% by mass inclusive. The electrolytic solution contains a carboxylic acid ester, wherein the number of carbon atoms in the carboxylic acid ester is 4 to 10 inclusive.

Inventors:
HASHIMOTO, Takuju (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
Application Number:
JP2019/017999
Publication Date:
October 31, 2019
Filing Date:
April 26, 2019
Export Citation:
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Assignee:
MURATA MANUFACTURING CO., LTD. (10-1, Higashikotari 1-chome Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
International Classes:
H01M10/0569; H01M2/10; H01M4/13; H01M4/62; H01M10/052
Domestic Patent References:
WO2015151501A12015-10-08
Foreign References:
JP2013229337A2013-11-07
JP2017528885A2017-09-28
JP2017224631A2017-12-21
JP2018152293A2018-09-27
Attorney, Agent or Firm:
SUGIURA, Masatomo et al. (402 Kadora Building, 1-1-11 Minami Ikebukuro, Toshima-k, Tokyo 22, 〒1710022, JP)
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