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1. (WO2017018436) LITHIUM-ION SECONDARY BATTERY

Pub. No.:    WO/2017/018436    International Application No.:    PCT/JP2016/071965
Publication Date: Fri Feb 03 00:59:59 CET 2017 International Filing Date: Thu Jul 28 01:59:59 CEST 2016
IPC: H01M 2/16
H01M 4/13
H01M 10/052
H01M 10/0585
Applicants: NEC CORPORATION
日本電気株式会社
Inventors: INOUE, Kazuhiko
井上 和彦
YOSHIDA, Noboru
吉田 登
SHIMURA, Kenichi
志村 健一
Title: LITHIUM-ION SECONDARY BATTERY
Abstract:
Provided is a lithium-ion secondary battery in which positive terminals 30 and negative terminals 40 are alternately laminated with a separator 25 interposed therebetween. Each separator 25 is a single layer that does not melt or soften at at least 200°C and that has a heat shrinkage rate of 3% or less. An insulation layer 70 is formed on the surfaces of each positive terminal 30, such surfaces being those that opposes the separators 25.