Title:
SECONDARY BATTERY AND METHOD FOR PRODUCING SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2018/155210
Kind Code:
A1
Abstract:
One embodiment of the present invention provides a secondary battery in which an electrolyte and an electrode assembly 100 including positive electrodes 10A, negative electrodes 10B, and separators 50 arranged between the positive electrodes 10A and the negative electrodes 10B are accommodated in an exterior body, the electrode assembly 100 has a planar layered structure in which a plurality of electrode units including a positive electrode 10A, a negative electrode 10B, and a separator 50 are layered in a planar manner, the electrode assembly 100 comprises a notch area 30 in a planar view, some of the positive electrodes 10A among the plurality of positive electrodes 10A and/or some of the negative electrodes 10B among the plurality of negative electrodes 10B comprise a lead-out tab 20 and a connection tab 40, the lead-out tabs 20 are positioned in the notch area 30 in a planar view, and the connection tabs 40 are positioned in an area other than the notch area 30 in a planar view.
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Inventors:
KAWAI TORU (JP)
OTSUKA MASAHIRO (JP)
OTSUKA MASAHIRO (JP)
Application Number:
PCT/JP2018/004397
Publication Date:
August 30, 2018
Filing Date:
February 08, 2018
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01M10/04; H01M4/13; H01M4/139; H01M10/052; H01M10/0585; H01M50/528; H01M50/534
Domestic Patent References:
| WO2016006420A1 | 2016-01-14 |
Foreign References:
| JP2002141055A | 2002-05-17 | |||
| JP2016506606A | 2016-03-03 |
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (JP)
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