US 12,224,411 B2
Method and system for evaluating insulation and lithium ion conductivity characteristics of separator for electrochemical device
Soon Ju Choi, Daejeon (KR); and Eun Ju Lee, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 17/626,715
Filed by LG ENERGY SOLUTION, LTD., Seoul (KR)
PCT Filed Oct. 6, 2020, PCT No. PCT/KR2020/013599
§ 371(c)(1), (2) Date Jan. 12, 2022,
PCT Pub. No. WO2021/075778, PCT Pub. Date Apr. 22, 2021.
Claims priority of application No. 10-2019-0126783 (KR), filed on Oct. 14, 2019.
Prior Publication US 2022/0255152 A1, Aug. 11, 2022
Int. Cl. H01M 10/48 (2006.01); H01M 10/04 (2006.01); H01M 10/42 (2006.01); H01M 10/615 (2014.01); H01M 10/66 (2014.01); H01M 50/431 (2021.01); H01M 50/46 (2021.01); H01M 50/497 (2021.01); H01M 10/0525 (2010.01); H01M 50/105 (2021.01)
CPC H01M 10/48 (2013.01) [H01M 10/0481 (2013.01); H01M 10/4285 (2013.01); H01M 10/615 (2015.04); H01M 10/66 (2015.04); H01M 50/431 (2021.01); H01M 50/46 (2021.01); H01M 50/497 (2021.01); H01M 10/0525 (2013.01); H01M 50/105 (2021.01)] 15 Claims
OG exemplary drawing
 
1. A method for evaluating insulation and lithium ion conductivity characteristics of a separator for an electrochemical device, comprising:
repeatedly performing charging and discharging of an another electrochemical device; and
measuring an electrical resistance of an object to be measured while the repeatedly performing charging and discharging of the another electrochemical device, in a state that the object to be measured including a positive electrode, a negative electrode, and the separator interposed between the positive electrode and the negative electrode; and the electrochemical device positioned to face the object to be measured, are pinched between an upper jig and a lower jig.