CARBON MATERIAL, PREPARATION METHOD THEREFOR AND USE THEREOF, NEGATIVE ELECTRODE PLATE, SECONDARY BATTERY AND POWER CONSUMING DEVICE

1 . A carbon material, comprising:

a porous carbon substrate; and

an amorphous carbon layer provided on at least part of a surface of the porous carbon substrate.

2 . The carbon material of claim 1 , wherein the amorphous carbon layer has a thickness of 15 nm-250 nm.

3 . The carbon material of claim 1 , wherein the amorphous carbon layer is formed by means of vapor deposition of an aryl compound having 6-40 carbon atoms.

4 . The carbon material of claim 1 , wherein the porous structure of the porous carbon substrate comprises a microporous structure, a mesoporous structure and a macroporous structure.

5 . The carbon material of claim 1 , wherein the porous carbon substrate has a specific surface area of ≥500 m 2 /g.

6 . The carbon material of claim 1 , wherein the porous carbon substrate is activated carbon.

7 . A method for preparing the carbon material of claim 1 , comprising:

performing a vapor deposition treatment on the surface of the porous carbon substrate using a carbon source to form the amorphous carbon layer so as to obtain the carbon material.

8 . Use of the carbon material of claim 1 as a negative electrode active material.

9 . A negative electrode plate, comprising:

a current collector; and

a negative electrode active layer provided on a surface of the current collector, wherein the negative electrode active layer comprises the carbon material of claim 1 as a component.

10 . The negative electrode plate of claim 9 , wherein a mass percentage of the carbon material in the negative electrode active layer is 90%-95%.

11 . A secondary battery, comprising the negative electrode plate of claim 9 .

12 . A power consuming device, comprising the secondary battery of claim 11 .