Activated carbon fibers (ACFs) are a kind of microporous carbon material consisting of a three-dimensional network of 2 to 3 am graphites whose edges are covered with functional groups and dangling bonds. Each nanographite is formed with a stack of 3 to 4 nanosized graphene sheets. Last year studies show that a number of unique properties of ACFs are very closely related to their nanostructure. In this report the ESR data of ACFs with different sorbates are presented and discussed with the account of their disordered nanosized structure.
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