US 11,942,603 B2
Stack-folding type electrode assembly and lithium metal battery including the same
Youngjin Jun, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 16/980,214
Filed by LG CHEM, LTD., Seoul (KR)
PCT Filed Aug. 6, 2019, PCT No. PCT/KR2019/009814
§ 371(c)(1), (2) Date Sep. 11, 2020,
PCT Pub. No. WO2020/036359, PCT Pub. Date Feb. 20, 2020.
Claims priority of application No. 10-2018-0094526 (KR), filed on Aug. 13, 2018; and application No. 10-2019-0094560 (KR), filed on Aug. 2, 2019.
Prior Publication US 2021/0020993 A1, Jan. 21, 2021
Int. Cl. H01M 50/463 (2021.01); H01M 4/134 (2010.01); H01M 4/38 (2006.01); H01M 4/64 (2006.01); H01M 10/052 (2010.01); H01M 10/0583 (2010.01); H01M 50/105 (2021.01); H01M 50/46 (2021.01); H01M 50/531 (2021.01); H01M 4/02 (2006.01)
CPC H01M 10/0583 (2013.01) [H01M 4/134 (2013.01); H01M 4/382 (2013.01); H01M 4/64 (2013.01); H01M 10/052 (2013.01); H01M 50/105 (2021.01); H01M 50/461 (2021.01); H01M 50/463 (2021.01); H01M 50/531 (2021.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A stack-folding type of electrode assembly comprising:
a plurality of unit cells including a lithium metal negative electrode, a positive electrode, and a separation film provided between the lithium metal negative electrode and the positive electrode;
a folding separation film continuously provided among the unit cells neighboring each other; and
two insulation tapes, one attached to an entire upper side and another attached to an entire lower side of the folding separation film,
wherein the insulation tapes are exposed to an outside at the upper side and the lower side, that is opened portions of the stack-folding type of electrode assembly.