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Title:
CYLINDRICAL NON-AQUEOUS ELECTROLYTE PRIMARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2020/054662
Kind Code:
A1
Abstract:
A cylindrical non-aqueous electrolyte primary battery disclosed in the present application is provided with: an electrode body in which a positive electrode having a positive electrode active material layer and a negative electrode having a negative electrode active material layer are spirally wound with a separator therebetween; and a non-aqueous electrolyte, wherein the positive electrode has a thickness of 1.4 mm or more, at least two sheets of resin microporous films each independently having a thickness of 7-20 μm are provided as the separator, between the positive electrode active material layer and the negative electrode active material layer, and the resin microporous films are arranged in an overlapping manner without being attached to each other.

Inventors:
KAWABE KEISUKE
FUJIKAWA KATSUHIRO
KANEKO GENYO
TSUJI KYOJI
SUWADA YUKI
Application Number:
PCT/JP2019/035368
Publication Date:
March 19, 2020
Filing Date:
September 09, 2019
Export Citation:
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Assignee:
MAXELL HOLDINGS LTD (JP)
International Classes:
H01M6/16; H01M4/06; H01M50/409; H01M50/489; H01M50/491
Domestic Patent References:
WO2016195062A12016-12-08
WO2008114727A12008-09-25
WO2015046126A12015-04-02
Foreign References:
JP2014056843A2014-03-27
JP2012138225A2012-07-19
JP2006261093A2006-09-28
JP2018170276A2018-11-01
JP2004335380A2004-11-25
JP2013069466A2013-04-18
JP2012138225A2012-07-19
JP6178020B22017-08-09
JP2018170276A2018-11-01
Other References:
See also references of EP 3806208A4
Attorney, Agent or Firm:
IKEUCHI & PARTNERS (JP)
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