US 12,266,822 B2
Separator laminate for lithium secondary battery, electrode assembly including the same, and lithium secondary battery including the same
Hyunwoong Yun, Daejeon (KR); and Hoejin Hah, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 17/441,444
Filed by LG ENERGY SOLUTION, LTD., Seoul (KR)
PCT Filed May 22, 2020, PCT No. PCT/KR2020/006716
§ 371(c)(1), (2) Date Sep. 21, 2021,
PCT Pub. No. WO2020/235969, PCT Pub. Date Nov. 26, 2020.
Claims priority of application No. 10-2019-0060051 (KR), filed on May 22, 2019; and application No. 10-2020-0056953 (KR), filed on May 13, 2020.
Prior Publication US 2022/0166109 A1, May 26, 2022
Int. Cl. H01M 50/449 (2021.01); H01M 4/134 (2010.01); H01M 4/38 (2006.01); H01M 4/66 (2006.01); H01M 10/0525 (2010.01); H01M 10/0583 (2010.01); H01M 50/46 (2021.01); H01M 50/466 (2021.01); H01M 50/489 (2021.01); H01M 50/491 (2021.01); H01M 4/02 (2006.01); H01M 50/443 (2021.01)
CPC H01M 50/449 (2021.01) [H01M 4/134 (2013.01); H01M 4/382 (2013.01); H01M 4/661 (2013.01); H01M 10/0525 (2013.01); H01M 10/0583 (2013.01); H01M 50/461 (2021.01); H01M 50/466 (2021.01); H01M 50/489 (2021.01); H01M 50/491 (2021.01); H01M 2004/027 (2013.01); H01M 50/443 (2021.01)] 16 Claims
OG exemplary drawing
 
1. A lithium secondary battery comprising:
an electrode assembly comprising a negative electrode, a positive electrode, and a separator laminate disposed between the negative electrode and the positive electrode,
wherein the separator laminate comprising: a plurality of separators; and adhesive layers disposed between adjacent separators,
wherein the adhesive layers are disposed along edges of the adjacent separators so as to have a separation space between the adjacent separators,
wherein the separation space is located at center portions of the adjacent separators and does not include a positive electrode or a negative electrode.