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US 2024/0266522 A1Published application
Electrode active material, secondary battery, and electric apparatus
AssigneeContemporary Amperex Technology Co., Limited
InventorsShunli HE, Zibin LIANG, Yuhao WANG, Qiang LI, Wenguang LIN, Xinxin ZHANG, Jinhua HE
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Abstract
An electrode active material includes a layered metal oxide. The layered metal oxide has the following general formula: NaxM1aM2bMn1-a-bO2-zFz; where 0.55≤x≤0.85, a≥0, b≥0, 0.1≤a+b≤0.33, and 0.06≤z/(1−a−b)≤0.13; M1 is selected from one or more of alkali metal elements other than Na and alkaline earth metal elements; and M2 is selected from one or more of transition metal elements other than Mn.
Claims11
An electrode active material, comprising a layered metal oxide, wherein the layered metal oxide has the following general formula:
- wherein:
- 0
- .
- 5
-
- 5
- ≤
- x
- ≤
- 0
- .
- 8
-
- 5
- ,
- a
- ≥
- 0
- ,
- b
- ≥
- 0
- ,
- 0.1
- ≤
- a
- +
- b
- ≤
- 0.33
- ,
- and
- 0.06
- ≤
- z
- /
- (
- 1
- -
- a
- -
- b
- )
- ≤
- 0.13
- ;
- M1 is selected from one or more of alkali metal elements other than Na and alkaline earth metal elements;
- and
- M2 is selected from one or more of transition metal elements other than Mn.
46 more elements
Dependencies are inferred from the claim text.