Title:
PRESSURE CHANNEL AND SECONDARY BATTERY CHARGING/DISCHARGING DEVICE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2023/063736
Kind Code:
A1
Abstract:
The present invention relates to a pressure channel and a secondary battery charging/discharging device comprising same, which can alleviate pressure drops occurring at both ends of a secondary battery during a formation process. The pressure channel according to an embodiment of the present invention comprises a pair of pressure plates which are disposed on both surfaces of a secondary battery with the secondary battery interposed therebetween, wherein each of the pressure plates comprises: a body part; and outer edge parts which are formed to be connected to both ends of the body part and within each of which a hydraulically expanded tube is included.
Inventors:
LEE HAK SIK (KR)
KIM JUN WAN (KR)
KIM JUN WAN (KR)
Application Number:
PCT/KR2022/015471
Publication Date:
April 20, 2023
Filing Date:
October 13, 2022
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M10/04; H01M10/44; H02J7/00
Foreign References:
| KR20190046990A | 2019-05-07 | |||
| KR20190056984A | 2019-05-27 | |||
| KR20160129031A | 2016-11-08 | |||
| KR20180056131A | 2018-05-28 | |||
| JP2010238554A | 2010-10-21 | |||
| KR20210137435A | 2021-11-17 |
Attorney, Agent or Firm:
KIM, Hong Gyun (KR)
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