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Title:
NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2019/198351
Kind Code:
A1
Abstract:
A nonaqueous electrolyte secondary battery according to an embodiment of the present disclosure comprises a positive electrode, a negative electrode, and a nonaqueous electrolyte. The positive electrode has: a positive electrode current collector; and a positive electrode active material layer that is provided to the surface of the positive electrode current collector and includes a positive electrode active material and a positive electrode additive. The positive electrode active material contains a lithium-nickel composite oxide having a compressive breaking strength of at least 130MPa and including at least 50mol% of nickel relative to the total quantity of metals other than lithium. The positive electrode additive contains a lithium-containing metal oxide that has an antifluorite structure.

Inventors:
KAZAMA Ryo
KURODA Yuta
TAKIJIRI Manabu
Application Number:
JP2019/006773
Publication Date:
October 17, 2019
Filing Date:
February 22, 2019
Export Citation:
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Assignee:
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO.,LTD. (1-61, Shiromi 2-chome Chuo-ku, Osaka-sh, Osaka 07, 〒5406207, JP)
International Classes:
H01M4/525; H01M4/131; H01M4/36; H01M4/485; H01M4/505; H01M4/62
Domestic Patent References:
WO2017169184A12017-10-05
Foreign References:
JP2017168255A2017-09-21
JP2009076383A2009-04-09
JP2015088268A2015-05-07
Attorney, Agent or Firm:
YKI INTELLECTUAL PROPERTY ATTORNEYS (1-34-12, Kichijoji-Honcho Musashino-sh, Tokyo 04, 〒1800004, JP)
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