US 10,892,477 B2
Porous silicon-silicon oxide-carbon composite, and method of preparing the same
Seung Youn Choi, Daejeon (KR); Jang Wook Choi, Daejeon (KR); Eun Kyung Kim, Daejeon (KR); Yong Ju Lee, Daejeon (KR); and Hye Jin Kim, Osan-si (KR)
Assigned to LG Chem, Ltd.; and Korea Advanced Institute Of Science And Technology
Appl. No. 15/551,126
Filed by LG Chem, Ltd., Seoul (KR); and Korea Advanced Institute Of Science And Technology, Daejeon (KR)
PCT Filed Mar. 30, 2016, PCT No. PCT/KR2016/003278
§ 371(c)(1), (2) Date Aug. 15, 2017,
PCT Pub. No. WO2016/159663, PCT Pub. Date Oct. 6, 2016.
Claims priority of application No. 10-2015-0045280 (KR), filed on Mar. 31, 2015.
Prior Publication US 2018/0166685 A1, Jun. 14, 2018
Int. Cl. H01M 4/36 (2006.01); C01B 32/05 (2017.01); H01M 4/1393 (2010.01); H01M 4/04 (2006.01); B82Y 40/00 (2011.01); H01M 4/133 (2010.01); C01B 33/12 (2006.01); H01M 4/38 (2006.01); H01M 4/48 (2010.01); H01M 4/587 (2010.01); H01M 10/0525 (2010.01); B82Y 30/00 (2011.01); H01M 4/02 (2006.01)
CPC H01M 4/364 (2013.01) [B82Y 40/00 (2013.01); C01B 32/05 (2017.08); C01B 33/126 (2013.01); H01M 4/0471 (2013.01); H01M 4/133 (2013.01); H01M 4/1393 (2013.01); H01M 4/386 (2013.01); H01M 4/483 (2013.01); H01M 4/587 (2013.01); H01M 10/0525 (2013.01); B82Y 30/00 (2013.01); C01P 2006/12 (2013.01); H01M 2004/027 (2013.01); Y02P 70/50 (2015.11)] 19 Claims
OG exemplary drawing
 
1. A porous silicon-silicon oxide-carbon composite, comprising a silicon oxide-carbon structure and silicon particles, wherein
the silicon oxide-carbon structure comprises a plurality of micropores, and
the silicon particles are uniformly distributed in the silicon oxide-carbon structure;
wherein a specific surface area of the porous silicon-silicon oxide-carbon composite is from 150 m2/g to 250 m2/g, and
wherein an average diameter (D50) of the silicon particles is from 1 nm to 90 nm.