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Title:
SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2020/059806
Kind Code:
A1
Abstract:
This secondary battery is provided with a positive electrode, a negative electrode, and an electrolyte. The positive electrode is provided with a positive electrode active material layer which includes: a positive electrode active material; a fluorine-based binder having a melting point in the range of 152-166˚C inclusive; a conductivity aid having a specific surface area in the range of 1000-1500 m2/g inclusive; and a vinylpyrrolidone-based polymer.

Inventors:
IWANE NOBUYUKI (JP)
HORIUCHI HIROSHI (JP)
Application Number:
JP2019/036788
Publication Date:
March 26, 2020
Filing Date:
September 19, 2019
Export Citation:
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Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01M4/131; H01M4/485; H01M4/62
Foreign References:
JP2017117754A2017-06-29
JP2017168435A2017-09-21
JP2011082083A2011-04-21
JP2012164624A2012-08-30
JP2017054649A2017-03-16
Attorney, Agent or Firm:
SUGIURA, Masatomo et al. (JP)
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