Title:
BATTERY MODULE AND BATTERY PACK
Document Type and Number:
WIPO Patent Application WO/2020/134747
Kind Code:
A1
Abstract:
Disclosed is a battery module (10) and a battery pack (30). The battery module (10) comprises two or more secondary batteries (11), the two or more secondary batteries (11) being arranged side by side in a first direction (X), and each of the secondary batteries (11) comprising a shell (12), an electrode component (13) and a sealing portion, wherein the shell (12) comprises an accommodating hole (12a) with an opening; the accommodating hole (12a) extends in a second direction (Y); the first direction (X) intersects the second direction (Y); the sealing portion is hermetically connected to the shell (12) to cover and close the opening; the electrode component (13) is arranged in the accommodating hole (12a) and comprises two or more electrode units (14); each of the electrode units (14) comprises a first electrode plate (141), a second electrode plate (142) and a diaphragm (143); and the two or more electrode units (14) are arranged in a stacked manner in the second direction (Y). The battery module (10) itself has small expansion capacity in the direction in which the secondary batteries (11) are arranged, such that the safety during use can be effectively improved.
Inventors:
JIN HAIZU (CN)
SHI DONGYANG (CN)
LI ZHENHUA (CN)
CHEN XINGDI (CN)
CHEN NING (CN)
HU FEI (CN)
SHI DONGYANG (CN)
LI ZHENHUA (CN)
CHEN XINGDI (CN)
CHEN NING (CN)
HU FEI (CN)
Application Number:
PCT/CN2019/119941
Publication Date:
July 02, 2020
Filing Date:
November 21, 2019
Export Citation:
Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (CN)
International Classes:
H01M50/103; H01M50/119; H01M50/133; H01M50/147; H01M50/209
Domestic Patent References:
| WO2016088535A1 | 2016-06-09 |
Foreign References:
| CN209217068U | 2019-08-06 | |||
| CN209298235U | 2019-08-23 | |||
| CN209217103U | 2019-08-06 | |||
| CN209217104U | 2019-08-06 | |||
| CN209232866U | 2019-08-09 | |||
| CN209571433U | 2019-11-01 | |||
| CN206490120U | 2017-09-12 | |||
| CN105957991A | 2016-09-21 | |||
| CN107919443A | 2018-04-17 | |||
| CN103094500A | 2013-05-08 |
Attorney, Agent or Firm:
BEIJING EAST IP LTD. (CN)
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