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Title:
NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2018/168628
Kind Code:
A1
Abstract:
The non-aqueous electrolyte secondary battery according to one mode of the present invention contains an electrode body (14) obtained by winding a positive electrode plate comprising a positive electrode active substance layer formed on the surface of a band-shaped positive electrode collector, and a negative electrode plate comprising a negative electrode active substance layer formed on the surface of a band-shaped negative electrode collector, with an insulating separator therebetween. At the outermost peripheral portion of the electrode body (14), a negative electrode collector exposed section (37b) is provided in which the negative electrode collector is exposed, a winding end edge (12a) of the negative electrode plate being secured by tapes (40) adhered to the negative electrode collector exposed section (37b). Each of the tapes (40) is adhered in a region that is within 14% of the length of the negative electrode plate (12) in the axial direction, from each of the two ends of the negative electrode plate (12) in the axial direction.

Inventors:
OKA TAKAAKI
KOBAYASHI KEI
MIZAWA ATSUSHI
Application Number:
PCT/JP2018/008928
Publication Date:
September 20, 2018
Filing Date:
March 08, 2018
Export Citation:
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Assignee:
SANYO ELECTRIC CO (JP)
International Classes:
H01M10/052; H01M4/133; H01M4/36; H01M10/0587
Domestic Patent References:
WO2015146076A12015-10-01
Foreign References:
JP2015153690A2015-08-24
JP2009199974A2009-09-03
JP2003123843A2003-04-25
JPH0547419A1993-02-26
Attorney, Agent or Firm:
TOKUDA Yoshiaki et al. (JP)
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