US 12,224,433 B2
Negative electrode for lithium secondary battery with improved safety or internal short, lithium secondary battery containing the same and lithium secondary battery system therefor
Seong Kyu Lee, Daejeon (KR); Suk Woo Lee, Daejeon (KR); Jun Min Kim, Daejeon (KR); and Kyoung Min Choi, Daejeon (KR)
Assigned to LG Energy Solution, Ltd., Seoul (KR)
Filed by LG Energy Solution, Ltd., Seoul (KR)
Filed on Feb. 8, 2024, as Appl. No. 18/436,819.
Claims priority of application No. 10-2023-0078158 (KR), filed on Jun. 19, 2023.
Prior Publication US 2024/0421287 A1, Dec. 19, 2024
Int. Cl. H01M 4/36 (2006.01); H01M 4/02 (2006.01); H01M 4/38 (2006.01); H01M 4/46 (2006.01); H01M 4/62 (2006.01); H01M 10/052 (2010.01); H01M 10/42 (2006.01); H01M 10/44 (2006.01); H01M 10/48 (2006.01)
CPC H01M 4/366 (2013.01) [H01M 4/386 (2013.01); H01M 4/463 (2013.01); H01M 4/623 (2013.01); H01M 10/052 (2013.01); H01M 10/441 (2013.01); H01M 10/448 (2013.01); H01M 10/486 (2013.01); H01M 2004/027 (2013.01); H01M 10/4235 (2013.01)] 16 Claims
 
1. A negative electrode for a lithium secondary battery, the negative electrode comprising:
a negative electrode active layer provided on at least one surface of a negative electrode current collector, and including a negative electrode active material; and
a coating layer disposed on the negative electrode active layer,
wherein the coating layer contains silicon-containing particles, aluminum-containing particles and a dispersant, and
a volume resistance of the negative electrode is 1.0×10−4 Ω·cm to 1.0 Ω·cm.