Positive electrode sheet and secondary battery including positive electrode sheet
AssigneeContemporary Amperex Technology Co., Limited
InventorsHengxu ZHUANG, Yanying WU, Xinghui WANG
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Abstract
A positive electrode sheet includes a positive electrode current collector and a positive electrode film disposed on at least one surface of the positive electrode current collector and including an additive. The additive includes a structural unit made from acrylonitrile and a structural unit made from a monomer represented by following formula: where R1, R2, R3, and R4 are each independently selected from hydrogen, an alkyl group with 1-8 carbon atoms, or a saturated carboxylic acid group with 1-8 carbon atoms, and at least one of R1, R2, R3, or R4 is selected from the saturated carboxylic acid group with 1-8 carbon atoms.
Claims20
A positive electrode sheet, comprising:
- a positive electrode current collector;
- and
- a positive electrode film disposed on at least one surface of the positive electrode current collector and comprising an additive, wherein the additive comprises a structural unit made from acrylonitrile and a structural unit made from a monomer represented by following formula:
- wherein R1, R2, R3, and R4 are each independently selected from hydrogen, an alkyl group with 1-8 carbon atoms, or a saturated carboxylic acid group with 1-8 carbon atoms, and at least one of R1, R2, R3, or R4 is selected from the saturated carboxylic acid group with 1-8 carbon atoms.
Dependencies are inferred from the claim text.