Wang, Yupeng; Hou, Yucui; Li, He; Wu, Weize; Ren, Shuhang; … - 2022
The structure of coal is considered to be a highly cross-linked network of macromolecules, which is formed by the polymerization of many structurally similar but not totally identical aromatic structural units. It is generally believed that coal is converted from biomass, which is composed of...