Title:
POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2022/070898
Kind Code:
A1
Abstract:
This positive electrode active material for nonaqueous electrolyte secondary batteries contains a lithium transition metal composite oxide that is represented by composition formula LixMnyNizPaMbO2-cFc (wherein M represents at least one element that is selected from among Ti, Co, Si, Sr, Nb, W, Mo, Ca, Mg, Sb, Na, B, V, Cr, Fe, Cu, Zn, Ge, Zr, Ru, K and Bi; 1.0 < x ≤ 1.2; 0.4 ≤ y ≤ 0.8; 0 ≤ z ≤ 0.4; 0 < a < 0.01; 0 < b < 0.05; 0 < c < 0.1; and (x + y + z + a + b) ≤ 2).
Inventors:
NATSUI RYUICHI
MATSUSHITA JUNKO
HIBINO MITSUHIRO
NAKURA KENSUKE
MATSUSHITA JUNKO
HIBINO MITSUHIRO
NAKURA KENSUKE
Application Number:
PCT/JP2021/033793
Publication Date:
April 07, 2022
Filing Date:
September 14, 2021
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
C01G53/00; H01M4/505; H01M4/525
Domestic Patent References:
| WO2018198410A1 | 2018-11-01 | |||
| WO2020003848A1 | 2020-01-02 | |||
| WO2018100792A1 | 2018-06-07 | |||
| WO2021172010A1 | 2021-09-02 |
Foreign References:
| JP2007145695A | 2007-06-14 | |||
| JP5946011B2 | 2016-07-05 |
Other References:
See also references of EP 4223700A4
Attorney, Agent or Firm:
YKI INTELLECTUAL PROPERTY ATTORNEYS (JP)
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