公开(公告)号：US20230361349A1

公开(公告)日：2023-11-09

申请号：US18315595

申请日：2023-05-11

Applicant: Ningde Amperex Technology Limited

Inventor： Yali XIONG ,  Mingming GUAN ,  Rong WANG ,  Jianming ZHENG

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M50/46

CPC classification number: H01M10/0567 ,  H01M10/0525 ,  H01M50/46 ,  H01M2300/0051 ,  H01M2220/30

Abstract: An electrolyte includes an organic solvent, a lithium salt and additives, in particular, the additives include a fluoroethylene carbonate and a P—N bond-containing compound, the P—N bond-containing compound having a structure shown in formula I; A mass percentage of the fluoroethylene carbonate in the electrolyte is a %, a mass percentage of the P—N bond-containing compound in the electrolyte is b %, and 0.1≤a/b≤200.