公开(公告)号：US20190386341A1

公开(公告)日：2019-12-19

申请号：US16480847

申请日：2018-01-17

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Ryo Kazawa ,  Yuta Kuroda ,  Masanobu Takeuchi

IPC: H01M10/0569 ,  H01M4/133 ,  H01M4/62

Abstract: Provided is a nonaqueous electrolyte secondary battery comprising: a negative electrode having a negative electrode active substance layer; a positive electrode; and a nonaqueous electrolyte containing a nonaqueous solvent. The negative electrode active substance layer contains: a negative electrode active substance containing a carbon-based active substance; and layered silicate particles. The nonaqueous solvent contains a fluorine-based solvent.