Patent ID: 11923537
Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 8:
9. The negative electrode plate according to claim 1, wherein the negative electrode plate further satisfies at least one of the following (1) to (5):
(1) the first active material has a graphitization degree of 94.8% to 97.0%, and/or the second active material has a graphitization degree of 91.2% to 93.8%;
(2) the first active material has a powder Orientation Index OI value of 3.5 to 3.9, and/or the second active material has a powder Orientation Index OI value of 3.0 to 3.2;
(3) the first active material has a specific surface area of 1.2 m2/g to 4 m2/g, and/or the second active material has a specific surface area of 1 m2/g to 2 m2/g;
(4) the first active material layer has a porosity of 23% to 35%, and/or the second active material layer has a porosity of 18% to 30%; and
(5) the negative electrode active material layer has a thickness of 40 μm to 100 μm.