Electrochemical apparatus and electronic apparatus
AssigneeNingde Amperex Technology Limited
InventorsJianyu Liu, Lanjie Jiang, Chao Tang, Shan Zhang
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Abstract
An electrochemical apparatus includes a positive electrode, a negative electrode, and an electrolyte, where the positive electrode includes a positive electrode active material, the positive electrode active material contains a manganese element and a cobalt element, and based on a total mass of the positive electrode active material, a mass percentage of the manganese element is B %; the electrolyte includes a sulfonyl imide lithium salt, and based on a total mass of the electrolyte, a mass percentage of the sulfonyl imide lithium salt is C %; where 0.1≤C≤15 and 0.02≤C/10B≤30.
Claims20
An electrochemical apparatus, comprising a positive electrode, a negative electrode, and an electrolyte;
- wherein
- the positive electrode comprises a positive electrode active material, the positive electrode active material contains a manganese element and a cobalt element;
- and based on a total mass of the positive electrode active material, a mass percentage of the manganese element is B %;
- the electrolyte comprises a sulfonyl imide lithium salt;
- and based on a total mass of the electrolyte, a mass percentage of the sulfonyl imide lithium salt is C %;
- wherein
- 0.1
- ≤
- C
- ≤
- 15
- ;
- and
- 0.02
- ≤
- C
- /
- 10
-
- B
- ≤
- 3
-
- 0
- .
An electronic apparatus, comprising an electrochemical apparatus, the electrochemical apparatus comprises a positive electrode, a negative electrode, and an electrolyte;
- wherein
- the positive electrode comprises a positive electrode active material, the positive electrode active material contains a manganese element and a cobalt element;
- and based on a total mass of the positive electrode active material, a mass percentage of the manganese element is B %;
- the electrolyte comprises a sulfonyl imide lithium salt;
- and based on a total mass of the electrolyte, a mass percentage of the sulfonyl imide lithium salt is C %;
- wherein
- 0.1
- ≤
- C
- ≤
- 15
- ;
- and
- 0.02
- ≤
- C
- /
- 10
-
- B
- ≤
- 3
-
- 0
- .
Dependencies are inferred from the claim text.