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1. (WO2017149991) STACKED NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Pub. No.:    WO/2017/149991    International Application No.:    PCT/JP2017/002094
Publication Date: Sat Sep 09 01:59:59 CEST 2017 International Filing Date: Tue Jan 24 00:59:59 CET 2017
IPC: H01M 10/0583
H01M 2/14
H01M 2/18
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: WATANABE Hiroki
渡邉 裕貴
MAEDA Hitoshi
前田 仁史
TAKEDA Katsutoshi
武田 勝利
Title: STACKED NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
Abstract:
This stacked nonaqueous electrolyte secondary battery comprises a laminated electrode group that is contained in an outer case and comprises a plurality of positive electrodes and a plurality of negative electrodes, which are alternately arranged, and a separator. The separator has a zigzag part in a zigzag form, which has a plurality of intermediate elements that are arranged between the positive electrodes and the negative electrodes. The separator has a cover part which is arranged so as to extend outside the laminated electrode group in a portion that is continuous to the zigzag part and so as to cover at least a part of the periphery of the laminated electrode group.