Title:
POSITIVE ELECTRODE MATERIAL, POSITIVE ELECTRODE, AND BATTERY
Document Type and Number:
WIPO Patent Application WO/2023/037769
Kind Code:
A1
Abstract:
A positive electrode material (10) includes: a positive electrode active substance (101); a covering layer (102) that contains a first solid electrolyte and covers at least a part of a surface of the positive electrode active substance (101); and a second solid electrolyte (105). The first solid electrolyte contains Li, Ti, M and X. M is at least one element selected from the group consisting of metal elements and metalloid elements other than Li and Ti. X is at least one element selected from the group consisting of F, Cl, Br and I. The second solid electrolyte (105) is in contact with the positive electrode active substance (101) via the covering layer (102). The ratio of the volume of the first solid electrolyte relative to the total volume of the first solid electrolyte and the second solid electrolyte (105) is 4-45%.
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Inventors:
SUGIMOTO YUTA
HASHIMOTO KAZUYA
HASHIMOTO KAZUYA
Application Number:
PCT/JP2022/028285
Publication Date:
March 16, 2023
Filing Date:
July 21, 2022
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01M4/13; C01B25/14; C01G23/00; C01G53/00; H01M4/36; H01M4/62; H01M10/052; H01M10/0562
Domestic Patent References:
| WO2019146236A1 | 2019-08-01 | |||
| WO2021157361A1 | 2021-08-12 | |||
| WO2019135322A1 | 2019-07-11 | |||
| WO2021187391A1 | 2021-09-23 |
Foreign References:
| JP2016018735A | 2016-02-01 | |||
| JP2020048461A | 2020-04-02 |
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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