US 11,905,302 B2
Prelithiation and method of manufacturing prelithiated anode using the same
Minah Lee, Seoul (KR); Jihyun Hong, Seoul (KR); Kyung Yoon Chung, Seoul (KR); Jin-Yoo Suh, Seoul (KR); Sang Ok Kim, Seoul (KR); Hyungseok Kim, Seoul (KR); Inyeong Kang, Seoul (KR); Ju Young Jang, Seoul (KR); and Jin Kwan Choi, Seoul (KR)
Assigned to Korea Institute of Science and Technology, Seoul (KR)
Filed by KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, Seoul (KR)
Filed on Dec. 14, 2020, as Appl. No. 17/121,347.
Claims priority of application No. 10-2020-0055643 (KR), filed on May 11, 2020.
Prior Publication US 2021/0347787 A1, Nov. 11, 2021
Int. Cl. H01M 10/0525 (2010.01); C07F 1/02 (2006.01); H01M 4/36 (2006.01); H01M 4/04 (2006.01); H01M 4/02 (2006.01)
CPC C07F 1/02 (2013.01) [H01M 4/049 (2013.01); H01M 4/366 (2013.01); H01M 10/0525 (2013.01); H01M 2004/028 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A prelithiation solution comprising a lithium organic complex of an aromatic hydrocarbon derivative, of which at least one benzene ring has a non-hydrogen substitute,
wherein the aromatic hydrocarbon derivative is one or more selected from a group consisting of compounds represented by any of Chemical Formula 1 and Chemical Formula 2:

OG Complex Work Unit Chemistry
wherein
in Chemical Formula 1,
each of R1 and R2, which are identical to or different from each other, is C1-C4 alkyl,
each of a and b is independently an integer from 0 to 2, wherein at least one is not 0,
if a is 2 or greater, two or more R1's are identical to or different from each other, and
if b is 2 or greater, two or more R2's are identical to or different from each other, and
in Chemical Formula 2,

OG Complex Work Unit Chemistry
each of R3 and R4, which are identical to or different from each other, is C1-C4 alkyl,
each of c and d is independently an integer from 0 to 2, wherein at least one is not 0,
if c is 2 or greater, two or more R3's are identical to or different from each other, and
if d is 2 or greater, two or more R4's are identical to or different from each other.