Title:
NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND METHOD FOR PRODUCING NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2023/140163
Kind Code:
A1
Abstract:
A non-aqueous electrolyte secondary battery (10) according to an embodiment comprises a positive electrode (11), a negative electrode (12), and a non-aqueous electrolyte. A positive electrode mixture layer (31) includes a positive electrode active material, a binder, and a conductive agent, wherein a proportion of an area of the binder and the conductive agent in an aggregated state, as measured by means of an image analysis of a cross-section of the positive electrode mixture layer (31), is at most 2.2% with respect to an area of the cross-section.
Inventors:
TANIGUCHI HIROKI
YOSHII KAZUHIRO
YOSHII KAZUHIRO
Application Number:
PCT/JP2023/000528
Publication Date:
July 27, 2023
Filing Date:
January 12, 2023
Export Citation:
Assignee:
PANASONIC ENERGY CO LTD (JP)
International Classes:
H01M4/13; H01M4/139; H01M4/62
Foreign References:
JP2018174134A | 2018-11-08 | |||
KR20180055406A | 2018-05-25 | |||
JP2015215947A | 2015-12-03 | |||
CN106207092A | 2016-12-07 |
Attorney, Agent or Firm:
YKI INTELLECTUAL PROPERTY ATTORNEYS (JP)
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