Title:
NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2023/013585
Kind Code:
A1
Abstract:
This lithium ion secondary battery comprises: a positive electrode that intercalates and deintercalates lithium ions; a negative electrode that intercalates and deintercalates the lithium ions and includes a negative electrode active material layer; and an electrolyte solution that contains an aqueous solvent. The negative electrode active material layer contains a plurality of negative electrode active material particles, and has a porous structure in which the plurality of negative electrode active material particles are directly joined together. Each of the plurality of negative electrode active material particles contains anatase-type titanium oxide, and the average particle diameter of the plurality of negative electrode active material particles is 100 nm or less.
Inventors:
HIASA TAKUMI (JP)
Application Number:
PCT/JP2022/029504
Publication Date:
February 09, 2023
Filing Date:
August 01, 2022
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01M10/36; H01M4/02; H01M4/48
Domestic Patent References:
| WO2008114667A1 | 2008-09-25 | |||
| WO2020218456A1 | 2020-10-29 |
Foreign References:
| JP2013211112A | 2013-10-10 |
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
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