Title:
NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2023/119867
Kind Code:
A1
Abstract:
The present invention provides a nonaqueous electrolyte secondary battery which comprises a positive electrode (11), a negative electrode (12) and a nonaqueous electrolyte, and which is characterized in that: the positive electrode (11) comprises a positive electrode collector (30) and a positive electrode mixture layer (32) that is arranged on the positive electrode collector (30); the positive electrode mixture layer (32) comprises secondary particles, each of which is composed of aggregated primary particles of a positive electrode active material, and an assembly of a conductive material and the primary particles of the positive electrode active material; and the assembly is present in the gaps among the secondary particles.
Inventors:
MATSUI TOORU
OKI YUKIHIRO
KAWADA HIROSHI
HIBINO MITSUHIRO
NAKURA KENSUKE
OKI YUKIHIRO
KAWADA HIROSHI
HIBINO MITSUHIRO
NAKURA KENSUKE
Application Number:
PCT/JP2022/040311
Publication Date:
June 29, 2023
Filing Date:
October 28, 2022
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01M4/13; H01M4/505; H01M4/525; H01M4/64
Foreign References:
| JP2015092462A | 2015-05-14 | |||
| JP2012048892A | 2012-03-08 |
Attorney, Agent or Firm:
YKI INTELLECTUAL PROPERTY ATTORNEYS (JP)
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