Composite in which defect-induced carbon body and metal oxide are coupled, method for producing composite in which defect-induced carbon body and metal oxide are coupled, and energy storage device including composite electrode in which defect-induced carbon body and metal oxide are coupled
AssigneeKorea University Research and Business Foundation
InventorsWonjoon CHOI, Kyeong min KIM, Byung-Seok SEO
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Abstract
A composite according to an embodiment of the present invention is characterized by including a defect-induced carbon body and a metal oxide coupled to the carbon body. The composite according to an embodiment of the present invention induces defects in the carbon body, thereby improving interfacial properties between the carbon body and the metal oxide, and has an increased contact area, thereby improving electrochemical properties of the composite.
Claims11
A composite comprising a defect-induced carbon body and a metal oxide coupled to the carbon body.
An energy storage device comprising, as an electrode, a composite including a defect-induced carbon body and a metal oxide coupled to the carbon body.
A method for producing a composite including a defect-induced carbon body and a metal oxide coupled to the carbon body, the method comprising the steps of:
- (a) inducing defects in a carbon body through a Joule-heating process;
- (b) contacting the defect-induced carbon body with a solution containing a metal oxide precursor;
- and
- (c) applying heat to the carbon body in contact with the metal oxide precursor to decompose the precursor, and synthesizing a metal oxide.
Dependencies are inferred from the claim text.