Title:
BATTERY PACK, METHOD FOR MANUFACTURING BATTERY PACK, AND ELECTRIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/156787
Kind Code:
A1
Abstract:
A battery pack, comprising a cover plate, a cell module, a second resin layer, and a battery pack housing; the cell module is accommodated in the battery pack housing and is fixed by means of the second resin layer, the cover plate is fixed to the battery pack housing, the cell module comprises a plurality of cells, wherein the plurality of cells are stacked in a second direction, each cell comprises a first end and a second end opposite each other in a first direction, and the cell close to the cover plate is a first cell. The battery pack further comprises an insulation assembly; the insulation assembly is arranged at second ends of at least two cells, the insulation assembly and the second ends of the at least two cells form a first space, the first space is in communication with a gap between the at least two cells, the insulation assembly encloses one side of the first space, one side of the first space is away from the cells in a direction opposite the first direction, an exhaust passage is formed between the insulation assembly and the first space, and the exhaust passage is in communication with the outside of the battery pack. The present invention also relates to a method for manufacturing a battery pack, and an electric device. By using the battery pack, the safety performance of the battery pack itself can be improved.
Inventors:
YUAN HONGWEI (CN)
TONG YANCHEN (CN)
WANG SHENBO (CN)
TONG YANCHEN (CN)
WANG SHENBO (CN)
Application Number:
PCT/CN2022/073318
Publication Date:
July 28, 2022
Filing Date:
January 21, 2022
Export Citation:
Assignee:
DONGGUAN POWERAMP TECH LIMITED (CN)
International Classes:
H01M50/30; H01M50/20; H01M50/10
Domestic Patent References:
| WO2014024426A1 | 2014-02-13 |
Foreign References:
| CN111279516A | 2020-06-12 | |||
| US20150037662A1 | 2015-02-05 | |||
| CN1961438A | 2007-05-09 | |||
| CN105531846A | 2016-04-27 | |||
| CN202110082287A | 2021-01-21 |
Attorney, Agent or Firm:
SHENZHEN SCIENBIZIP INTELLECTUAL PROPERTY AGENCY CO.,LTD. (CN)
Download PDF: