Multilayer graphene spheres generated from anthracite and semi-coke as anode materials for lithium-ion batteries

Remediation with Semicoke-Preparation, Characterization, and Adsorption Application

“…Other bituminous and sub-bituminous raw coal and their naturally weathered form, humalite, have been described to produce SC [ 30 ]. Anthracite called ‘hard coal’ is a noted relative source but rarely reported [ 31 ]. Table 2 shows some specific features of the most-reported SC types.…”

“…The doping process promotes catalytic oxidation, photocatalytic reactions, and catalytic decomposition [ 80 ]. Further surface functionalization methods include the production of graphitic structures [ 31 ]. However, this process is considered difficult, as it requires higher temperature ranges of ≥ 2800 °C.…”

Cobalt nanoparticle catalysed graphitization and the effect of metal precursor decomposition temperature

“…[15][16][17] Such methods have been applied to form hard carbon anodes for sodium and lithium ion batteries and supercapacitor electrodes. [18][19][20] The transformation of carbon into graphite is known to occur spontaneously, but only at very high temperatures often exceeding 2000 1C. 17 The presence of transition metals reduces the temperature at which this process happens thanks to dissolution/precipitation by which the carbon forms a high temperature super saturated solution in the metal (or in some cases stable metal carbide) that precipitates forming graphite crystals.…”

Preparation and Characterization of Graphene from Refined Benzene Extracted from Low-Rank Coal: Based on the CVD Technology

“…Therefore, the development of converting coal into clean and efficient materials enhances the utilization value of coal and provides new ideas for tapping the potential industrial value in materials. Among them, the preparation of graphene from coal is a popular research area in this field in recent years [ 1 , 2 , 3 , 4 ]. It is of great significance for promoting green energy, creating a series of major innovative products with graphene as the core technology, effectively improving the traditional economic model of coal enterprises and creating green high-tech industries.…”