公开(公告)号：US20230230777A1

公开(公告)日：2023-07-20

申请号：US17998270

申请日：2021-05-18

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KEISUKE MASUNAGA ,  HIDEO SAKATA ,  NAO MIYAGUCHI

IPC: H01G11/64 ,  H01G11/62 ,  H01G11/34 ,  H01G11/28

CPC classification number: H01G11/64 ,  H01G11/62 ,  H01G11/34 ,  H01G11/28

Abstract: An electrolytic solution for an electrochemical device a solvent, an ionic substance, and an additive agent, the additive agent containing α-methyl-γ-butyrolactone and δ-valerolactone.