	US 12,255,336 B2
	Negative electrode and lithium secondary battery including same
Dong Hyuk Kim, Daejeon (KR); Yong Ju Lee, Daejeon (KR); and Il Geun Oh, Daejeon (KR)
Assigned to LG Energy Solution, Ltd., Seoul (KR)
Appl. No. 17/429,085
Filed by LG Energy Solution, Ltd., Seoul (KR)
PCT Filed Feb. 7, 2020, PCT No. PCT/KR2020/001757 § 371(c)(1), (2) Date Aug. 6, 2021, PCT Pub. No. WO2020/162708, PCT Pub. Date Aug. 13, 2020.
Claims priority of application No. 10-2019-0015166 (KR), filed on Feb. 8, 2019.
Prior Publication US 2022/0131157 A1, Apr. 28, 2022
Int. Cl. H01M 4/62 (2006.01); H01M 4/13 (2010.01); H01M 4/133 (2010.01); H01M 4/134 (2010.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01)

CPC H01M 4/626 (2013.01) [H01M 4/133 (2013.01); H01M 4/134 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01); H01M 2220/10 (2013.01); H01M 2220/20 (2013.01)]

12 Claims

1. A negative electrode comprising:

a metal current collector; and

a negative electrode active material layer including a negative electrode active material and metal nanowires and formed on the metal current collector, wherein

the negative electrode active material comprises a silicon-based active material and a carbon-based active material at a weight ratio in the range of 0.1:99.9 to 7:93,

the metal nanowires include one or more metals selected from the group consisting of copper, gold, nickel, cobalt, and silver, and

wherein an average diameter of the metal nanowires ranges from 20 nm to 300 nm.