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1. (WO2018142928) SECONDARY BATTERY

Pub. No.:    WO/2018/142928    International Application No.:    PCT/JP2018/001109
Publication Date: Fri Aug 10 01:59:59 CEST 2018 International Filing Date: Thu Jan 18 00:59:59 CET 2018
IPC: H01M 2/26
H01M 10/04
H01M 10/0587
Applicants: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
パナソニックIPマネジメント株式会社
Inventors: SAKAI Yoshinori
酒井 良徳
TSUJI Tomoki
辻 智輝
TAKEUCHI Masanobu
竹内 正信
Title: SECONDARY BATTERY
Abstract:
Disclosed is a nonaqueous electrolyte secondary battery that is provided with: an electrode body; a nonaqueous electrolyte solution; a metal outer package storing therein the electrode body and the nonaqueous electrolyte solution; and a pressing member that is provided between the electrode body and the outer package. The outer peripheral surface of the electrode body is provided with an exposing section, from which the surface of a negative electrode collector constituting the negative electrode is exposed. The pressing member expands by absorbing the nonaqueous electrolyte solution, and presses the exposing section of the electrode body to the inner surface of the outer package.