US 11,898,265 B2 · Method for preparing carbon material

Abstract

Disclosed is a method for preparing a carbon material, comprising applying a voltage to an electrically conductive medium to form an electrically conductive path in an oxygen-free environment containing a carbon source and a catalyst to obtain the carbon material, wherein the electrically conductive medium includes a solid substrate or a liquid-phase electrically conductive system; under the condition that the electrically conductive medium is the liquid-phase electrically conductive system, the carbon material is obtained in the liquid-phase electrically conductive system; and under the condition that the electrically conductive medium is the solid substrate, the carbon material is obtained on a surface of the solid substrate.

Claims2

Dependent claims

A method for preparing a carbon material, comprising:

connecting two ends of an electrically conductive medium to an anode and a cathode, respectively;
and
applying a voltage to the electrically conductive medium to form an electrically conductive path in an oxygen-free environment containing a carbon source and a catalyst to obtain the carbon material, wherein the electrically conductive medium is a solid substrate;
wherein the carbon material is obtained on a surface of the solid substrate;
and
wherein the carbon source is selected from the group consisting of ethanol and ethylene glycol, the catalyst is Fe, the electrically conductive medium is carbon fibers, the oxygen-free environment is provided by one selected from the group consisting of ethanol and ethylene glycol, and the formed electrically conductive path has a current of 1.5-5 A and a voltage of 10-40 V.

3 more elements

Dependencies are inferred from the claim text.

Method for preparing carbon material

Life of this patent

Method for preparing carbon material

Life of this patent

Abstract

Claims2