SECONDARY BATTERY AND ELECTRICAL APPARATUS
Application
US20260081221A1
Kind: A1
Mar 19, 2026
Assignee
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventors
Jiao LIU, Limei ZHANG, Peipei CHEN, Jiamo REN
Abstract
A secondary battery and an electrical apparatus are disclosed. The secondary battery includes a negative electrode plate and a non-aqueous electrolyte solution. The negative electrode plate includes a negative electrode active material. The volume average particle size Dv50 of the negative electrode active material is 6-20 μm. The non-aqueous electrolyte solution includes an additive and a non-aqueous solvent. The additive includes a cyclic sulfate compound represented by Formula (I). The non-aqueous solvent includes ethylene carbonate.
CPC Classifications
H01M 10/0567
H01M 4/583
H01M 4/622
H01M 4/625
H01M 10/0569
H01M 2004/021
H01M 2004/027
H01M 2300/0037
Filing Date
2025-11-20
Application No.
19395510