Title:
POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERIES, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERIES, AND LITHIUM SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2023/106313
Kind Code:
A1
Abstract:
The present invention provides a positive electrode active material for lithium secondary batteries, the positive electrode active material containing a lithium metal composite oxide and satisfying relational expression (1); the lithium metal composite oxide contains at least Ni, Li and an element X, while having an α-NaFeO2 type crystal structure; and the element X is composed of one or more elements that are selected from the group consisting of Co, Mn, Al, Fe, Cu, Ti, Mg, W, Mo, Nb, Zn, Sn, Zr, Ga, V, B, Si, S and P. (1): 0% < (1 - (A/B)) × 100 ≤ 1.3%
Inventors:
NAGAO DAISUKE (JP)
KURODA TOMOYA (JP)
MATSUO YOJI (JP)
KURODA TOMOYA (JP)
MATSUO YOJI (JP)
Application Number:
PCT/JP2022/045025
Publication Date:
June 15, 2023
Filing Date:
December 07, 2022
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
H01M4/525; H01M4/505
Domestic Patent References:
| WO2020026487A1 | 2020-02-06 | |||
| WO2021010321A1 | 2021-01-21 |
Foreign References:
| JPH1050313A | 1998-02-20 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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