Patent ID: 11961961
Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A secondary battery comprising:
a negative electrode plate comprising a negative electrode current collector and a negative electrode film disposed on at least one surface of the negative electrode current collector, the negative electrode film comprising a negative active material; and
an electrolyte comprising an electrolyte salt, an organic solvent, and an additive;
wherein
the negative active material comprises a silicon-based material;
the additive comprises an additive A and an additive B; and
the additive A is selected from one or more of the following compounds:, the additive B has melting point of below or equal to 5° C.; and
the additive B is selected from 1,2-bis(2-cyanoethoxy)ethane.