Title:
SECONDARY BATTERY AND METHOD FOR MANUFACTURING SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2019/073916
Kind Code:
A1
Abstract:
Provided is a secondary battery that makes it possible to suitably suppress local cracking and/or peeling of an electrode material layer in a separator-equipped electrode having a bent portion. A secondary battery according to the present invention is provided with a single separator-equipped electrode in which one electrode and a separator form an integrated structure, and at least two other electrodes each having a polarity different from that of the one electrode, wherein the separator-equipped electrode has a non-bent portion and a bent portion contiguous to the non-bent portion in an alternate manner, the non-bent portion and the other electrodes are disposed along the stacking direction in an alternate manner, and the bent portion has only a bent separator.
Inventors:
SHIBATA HIDETAKA (JP)
Application Number:
PCT/JP2018/037315
Publication Date:
April 18, 2019
Filing Date:
October 05, 2018
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01M10/0583; H01M4/04; H01M4/139; H01M10/0587
Foreign References:
| JP2016167416A | 2016-09-15 | |||
| JPH0757716A | 1995-03-03 | |||
| JP2015060626A | 2015-03-30 | |||
| JP2008282739A | 2008-11-20 | |||
| JP2015504591A | 2015-02-12 | |||
| JP2016143550A | 2016-08-08 | |||
| JP2014035955A | 2014-02-24 |
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
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