US 12,456,761 B2
Apparatus for analyzing battery case
Kwangyeon Park, Daejeon (KR); Nak Hee Choi, Daejeon (KR); and Byoungsoo Lee, Daejeon (KR)
Assigned to LG ENERGY SOLUTION LTD., Seoul (KR)
Appl. No. 18/035,473
Filed by LG ENERGY SOLUTION, LTD., Seoul (KR)
PCT Filed Jul. 26, 2022, PCT No. PCT/KR2022/010954
§ 371(c)(1), (2) Date May 4, 2023,
PCT Pub. No. WO2023/008874, PCT Pub. Date Feb. 2, 2023.
Claims priority of application No. 10-2021-0100278 (KR), filed on Jul. 30, 2021.
Prior Publication US 2023/0420748 A1, Dec. 28, 2023
Int. Cl. H01M 10/42 (2006.01); G01M 3/32 (2006.01); H01M 50/105 (2021.01)
CPC H01M 10/4228 (2013.01) [G01M 3/3209 (2013.01); G01M 3/3218 (2013.01); G01M 3/3272 (2013.01); H01M 10/4285 (2013.01); H01M 50/105 (2021.01)] 11 Claims
OG exemplary drawing
 
1. A battery case analyzing apparatus, comprising:
a sealing portion which covers an injection hole formed on an upper side of a battery case, the sealing portion comprising a lower side contacting the upper side of the battery case, a gas injection passage and a vacuum forming passage formed in the sealing portion;
a gas injection line which is connected to an inlet of the gas injection passage and formed on an upper side of the sealing portion;
a vacuum forming line which is connected to an outlet of the vacuum forming passage and formed on the upper side of the sealing portion;
a gas supply portion configured to inject gas into the battery case through the gas injection line; and
a vacuum pump which is connected to the vacuum forming line to form a vacuum in a vacuum forming groove formed on the lower side of the sealing portion.