Title:
POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES
Document Type and Number:
WIPO Patent Application WO/2023/188567
Kind Code:
A1
Abstract:
A positive electrode active material for nonaqueous electrolyte secondary batteries according to the present invention is characterized by being a composite oxide which is represented by general formula LixTMtmMyO2-fFf and has a crystal structure that belongs to the space group Fm-3m. In the general formula, TM represents a transition metal; M represents a non-transition metal; x, tm, y and f satisfy 1.75 ≤ x + tm + y ≤ 2 and 0 < f ≤ 0.7; and if Q = 2 × tm × (1 - (1 - f/2)5), 0.8 ≤ Q ≤ 1.5 is satisfied.
Inventors:
ESAKI SHOGO
SAITO MOTOHARU
HIBINO MITSUHIRO
MATSUSHITA JUNKO
NAKURA KENSUKE
SAITO MOTOHARU
HIBINO MITSUHIRO
MATSUSHITA JUNKO
NAKURA KENSUKE
Application Number:
PCT/JP2022/045645
Publication Date:
October 05, 2023
Filing Date:
December 12, 2022
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
C01G45/06; H01M4/505
Domestic Patent References:
| WO2018163519A1 | 2018-09-13 | |||
| WO2022070897A1 | 2022-04-07 | |||
| WO2022070896A1 | 2022-04-07 |
Foreign References:
| JP2020534234A | 2020-11-26 |
Attorney, Agent or Firm:
YKI INTELLECTUAL PROPERTY ATTORNEYS (JP)
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