Title:
SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2021/070532
Kind Code:
A1
Abstract:
A secondary battery according to the present invention is provided with a power generating element including a plurality of electrodes laminated one on another in a lamination direction with separators interposed therebetween. Each of the plurality of electrodes includes a current collector led out in a first direction intersecting the lamination direction. An end section of each of the plurality of current collectors led out in the first direction includes a first bent section that is bent in a second direction intersecting the first direction. Each of the first bent sections is in contact with a first bent section neighboring in the second direction so as to overlap said neighboring first bent section. At least one of the plurality of first bent sections terminates at an intermediate point on a second-direction end surface in the power generating element.
Inventors:
OKUNO MORIAKI (JP)
HORIKOSHI YOSHIICHI (JP)
KATSUMOTO TAICHI (JP)
HONDA KAZUKI (JP)
HORIKOSHI YOSHIICHI (JP)
KATSUMOTO TAICHI (JP)
HONDA KAZUKI (JP)
Application Number:
PCT/JP2020/033537
Publication Date:
April 15, 2021
Filing Date:
September 04, 2020
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01M50/531; H01M50/10; H01M50/147; H01M50/528
Domestic Patent References:
| WO2014034413A1 | 2014-03-06 |
Foreign References:
| JP2016025014A | 2016-02-08 | |||
| JP2011141997A | 2011-07-21 | |||
| JP2011141997A | 2011-07-21 | |||
| JP2010212206A | 2010-09-24 | |||
| JP2013187182A | 2013-09-19 |
Other References:
See also references of EP 4044354A4
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
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