摘要
Carbon is a versatile element in the Periodic Table and can bind itself to many polymorphs through various bonding forms(e.g.,sp,sp2,and sp3 hybridizations)[1].Based on structural periodicity,carbon materials can be classified into crystalline or amorphous[2].For example,graphene,diamond and graphite are well-known crystalline carbon materials with different periodic binding motifs in the carbon atom networks[3‒5].By contrast,the active carbons featured with high porosity are the typical amorphous carbons in which the carbon atoms are arranged in a disordered fashion[6].
