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
AssigneeSamsung Electronics Co., Ltd.
InventorsInhyuk Son, Jonghwan Park, Jaejun Chang, Junhwan Ku, Xiangshu Li, Jaeman Choi
Life of this patent
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Abstract
A composite including: at least one selected from a silicon oxide of the formula SiO2 and a silicon oxide of the formula SiOx wherein 0<x<2; and graphene, wherein the silicon oxide is disposed in a graphene matrix.
Claims22
An electrochemically active material composite comprising a composite and an electrochemically active material, wherein the composite comprises particles comprising a silicon oxide of the formula SiO2 and a silicon oxide of the formula SiOx wherein 0<x<2;
- and graphene,
- wherein the particles comprising a silicon oxide of the formula SiO2 and a silicon oxide of the formula SiOx wherein 0<x<2 are completely surrounded by the graphene, and
- wherein the particles comprising a silicon oxide of the formula SiO2 and a silicon oxide of the formula SiOx wherein 0<x<2 completely surrounded by the graphene are interconnected with each other in a graphene matrix.
An electrochemically active material composite comprising a composite and an electrochemically active material,
- wherein the composite comprises particles comprising a silicon oxide of the formula SiOx wherein 0<x<2, and graphene,
- wherein the particles comprising a silicon oxide of the formula SiOx wherein 0<x<2 are completely surrounded by the graphene, and
- wherein the particles comprising a silicon oxide of the formula SiOx wherein 0<x<2 completely surrounded by the graphene are interconnected with each other in a graphene matrix wherein the particles comprising a silicon oxide of the formula SiOx, wherein 0<x<2 further comprise a silicon oxide of the formula SiO2, and wherein, in the composite, the silicon oxide of the formula SiOx wherein 0<x<2 partially or completely surround the silicon oxide of the formula SiO2.
An electrochemically active material composite comprising a graphene-silicon oxide composite and an electrochemically active material,
- wherein the graphene-silicon oxide composite comprises particles comprising a silicon oxide of the formula SiO2 and a silicon oxide of the formula SiOx wherein 0<x<2, and graphene,
- wherein the particles comprising a silicon oxide of the formula SiO2 and a silicon oxide of the formula SiOx wherein 0<x<2 are completely surrounded by the graphene,
- wherein the particles comprising a silicon oxide of the formula SiO2 and a silicon oxide of the formula SiOx wherein 0<x<2 completely surrounded by the graphene are interconnected with each other in a graphene matrix, and
- wherein the graphene-silicon oxide composite is coated on surface of the electrochemically active material.
Dependencies are inferred from the claim text.