	US 11,870,060 B2
	Composite, electrochemical active material composite using the composite, electrode including the composite or electrochemical active material composite, lithium battery including the electrode, field emission device including the composite, biosensor including the composite, semiconductor device including the composite, and thermoelectric device including the composite
Inhyuk Son, Yongin-si (KR); Jonghwan Park, Yongin-si (KR); Jaejun Chang, Seoul (KR); Junhwan Ku, Seongnam-si (KR); Xiangshu Li, Hwaseong-si (KR); and Jaeman Choi, Seongnam-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Nov. 5, 2020, as Appl. No. 17/090,331.
Application 17/090,331 is a division of application No. 16/283,221, filed on Feb. 22, 2019, granted, now 10,862,110.
Application 16/283,221 is a division of application No. 14/733,028, filed on Jun. 8, 2015, granted, now 10,249,871, issued on Apr. 2, 2019.
Claims priority of application No. 10-2014-0070267 (KR), filed on Jun. 10, 2014.
Prior Publication US 2021/0057729 A1, Feb. 25, 2021
Int. Cl. H01M 4/36 (2006.01); H01M 4/13 (2010.01); H01M 4/48 (2010.01); H01M 4/62 (2006.01); H01B 1/04 (2006.01); H01J 1/304 (2006.01); F21K 2/08 (2006.01); B82Y 30/00 (2011.01); H10N 10/17 (2023.01); H10N 10/853 (2023.01); H10N 10/854 (2023.01); H10N 10/855 (2023.01)

CPC H01M 4/364 (2013.01) [B82Y 30/00 (2013.01); F21K 2/08 (2013.01); H01B 1/04 (2013.01); H01J 1/304 (2013.01); H01M 4/13 (2013.01); H01M 4/483 (2013.01); H01M 4/625 (2013.01); H10N 10/17 (2023.02); H10N 10/853 (2023.02); H10N 10/854 (2023.02); H10N 10/855 (2023.02); H01J 2201/30461 (2013.01); H01J 2201/30496 (2013.01)]

10 Claims

1. A method of preparing a composite, the method comprising:

contacting a reaction gas and silicon dioxide to provide a reaction gas-contacted silicon dioxide, wherein the reaction gas comprises a carbon source gas; and

thermally treating the reaction gas-contacted silicon dioxide to prepare the composite,

wherein the composite comprises

particles comprising

a silicon oxide of the formula SiO₂and a silicon oxide of the formula SiO_xwherein 0<x<2, or

a silicon oxide of the formula SiO_xwherein 0<x<2, and graphene,

wherein the particles comprising the silicon oxide of the formula SiO₂and the silicon oxide of the formula SiO_xwherein 0<x<2, or the silicon oxide of the formula SiO_xwherein 0<x<2, are surrounded by the graphene and are interconnected with each other in a graphene matrix.