US 12,113,206 B2
Carbon-sulfur composite, preparation method therefor, and lithium secondary battery comprising same
Eunkyung Cho, Daejeon (KR); Suenghoon Han, Daejeon (KR); Myeong Jun Song, Incheon (KR); Il To Kim, Seoul (KR); Kwonnam Sohn, Daejeon (KR); Doo Kyung Yang, Daejeon (KR); Jiwon Kim, Seoul (KR); and Moo Whan Shin, Seoul (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR); and INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY, Seoul (KR)
Filed by LG ENERGY SOLUTION, LTD., Seoul (KR); and INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY, Seoul (KR)
Filed on Oct. 19, 2023, as Appl. No. 18/490,351.
Application 18/490,351 is a continuation of application No. 17/964,649, filed on Oct. 12, 2022, granted, now 11,831,010.
Application 17/964,649 is a continuation of application No. 16/646,080, granted, now 11,502,289, issued on Nov. 15, 2022, previously published as PCT/KR2018/011064, filed on Sep. 19, 2018.
Claims priority of application No. 10-2017-0125909 (KR), filed on Sep. 28, 2017.
Prior Publication US 2024/0047652 A1, Feb. 8, 2024
Int. Cl. H01M 4/36 (2006.01); C01B 32/05 (2017.01); H01M 4/38 (2006.01); H01M 4/587 (2010.01); H01M 4/60 (2006.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01)
CPC H01M 4/364 (2013.01) [C01B 32/05 (2017.08); H01M 4/38 (2013.01); H01M 4/587 (2013.01); H01M 4/60 (2013.01); H01M 10/0525 (2013.01); C01P 2004/03 (2013.01); C01P 2006/12 (2013.01); C01P 2006/14 (2013.01); C01P 2006/40 (2013.01); H01M 2004/028 (2013.01)] 14 Claims
 
1. A carbon-sulfur composite comprising:
a carbonized metal-organic framework; and
a sulfur compound introduced to at least a part of an outside surface and an inside of the carbonized metal-organic framework,
wherein the carbonized metal-organic framework has a specific surface area of 1000 m2/g to 1500 m2/g according to BET analysis, and
the carbonized metal-organic framework has a pore volume of 2.2 cc/g to 3.0, cc/g.