Ningde Amperex Technology Limited

Yali Xiong

Jianming Zheng

Mingming Guan

Wenqiang Li

Jianyu Liu

An electrolyte includes a compound of formula 1: Rand Rare each independently selected from H, halogen atom, a substituted or unsubstituted Calkyl group, a substituted or unsubstituted Ccycloalkyl group, a substituted or unsubstituted Calkenyl group, a substituted or unsubstituted Calkynyl group, a substituted or unsubstituted Calkoxy group, a substituted or unsubstituted Caryl group, a substituted or unsubstituted Cheteroaryl group, or any combination thereof. R is selected from a substituted or unsubstituted Calkyl group, a substituted or unsubstituted Ccycloalkyl group, a substituted or unsubstituted Calkenyl group, a substituted or unsubstituted Calkynyl group, a substituted or unsubstituted Calkoxy group, a substituted or unsubstituted Caryl group or a substituted or unsubstituted Cheteroaryl group, a substituted or unsubstituted Cheterocycloalkyl group, a butyrolactam group, or any combination thereof.

Electrolyte and electrochemical apparatus using same

An electrolyte, comprising a compound of Formula I and an additive A, R, R, R, R, R, R, Rand Rare each independently selected from: hydrogen, halo, —COOX, substituted or unsubstituted Calkyl, substituted or unsubstituted Calkenyl, substituted or unsubstituted Calkynyl, substituted or unsubstituted Calkoxy, or —R—S(═O)—R, wherein Ris selected from substituted or unsubstituted Calkylene, Ris selected from halo or substituted or unsubstituted Calkyl, and at least one of R, R, R, R, R, R, Rand Ris —COOX. When substituted, the substituent is selected from cyano or halo; and

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Ningde, China

Yali Xiong