Title:
SECONDARY BATTERY AND BATTERY PACK
Document Type and Number:
WIPO Patent Application WO/2021/085205
Kind Code:
A1
Abstract:
A secondary battery according to the present invention is provided with: a first conductive member; a second conductive member which faces the first conductive member; a battery element which is arranged between the first conductive member and the second conductive member, while comprising a plurality of electrodes that are stacked upon each other with separators being interposed therebetween in the facing direction in which the first conductive member and the second conductive member face each other, said plurality of electrodes including a first electrode that is arranged adjacent to the first conductive member and a second electrode that is arranged adjacent to the second conductive member; and a sealing member which is arranged in at least a part of the region surrounding the battery element between the first conductive member and the second conductive member, while comprising a first bonding layer, an insulating layer and a second bonding layer sequentially stacked in the facing direction, wherein the first layer and the second layer respectively contain a polyolefin resin, while the insulating layer contains an insulating resin.
Inventors:
NAGAOKA SHUICHI (JP)
SHIMIZU YOSHIFUMI (JP)
HATANO YU (JP)
SHIMIZU YOSHIFUMI (JP)
HATANO YU (JP)
Application Number:
PCT/JP2020/039226
Publication Date:
May 06, 2021
Filing Date:
October 19, 2020
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01M10/04; H01M10/0585; H01M10/42; H01M50/10; H01M50/172; H01M50/183; H01M50/531; H01M50/543
Domestic Patent References:
| WO2019189860A1 | 2019-10-03 | |||
| WO2018235516A1 | 2018-12-27 | |||
| WO2019017029A1 | 2019-01-24 |
Foreign References:
| JP2003249259A | 2003-09-05 | |||
| JP2011243490A | 2011-12-01 | |||
| JP2002516463A | 2002-06-04 |
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
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