Activated carbon and method for manufacturing the same
A activated carbon and a method for manufacturing the same are provided. The activated carbon comprises a carbon aggregate containing a plurality of linear carbons and has a specific surface area of 350 m 2 /g or more, and the method comprises pretreating a carbon aggregate precursor by ball milling and reacting the pretreated carbon aggregate precursor with CO 2 .
1 . An activated carbon comprising a carbon aggregate containing a plurality of linear carbons and having a specific surface area of 350 m 2 /g or more,
wherein cross sections of the linear carbons are exposed on a surface of the carbon aggregate,
wherein I D /I G of the activated carbon is 2.0 or less, and
wherein I G is a maximum peak intensity in the range of vibration frequencies from 1560 cm −1 to 1600 cm −1 measured by Raman spectroscopy, and Ip is a maximum peak intensity in the range of vibration frequencies from 1310 cm −1 to 1350 cm −1 measured by Raman spectroscopy.
2 . The activated carbon according to claim 1 , wherein the linear carbons comprise one or more selected from the group consisting of carbon nanotube (CNT) and carbon fiber.
3 . The activated carbon according to claim 1 , further comprising an amorphous carbon.
4 . The activated carbon according to claim 1 , wherein a pore volume of the activated carbon is 0.8 cm 3 /g to 3.0 cm 3 /g.