Coal-based heat storage carbon material, preparation method and application thereof, composition for preparing coal-based heat storage carbon material and application of composition

The invention relates to the technical field of heat storage materials, and discloses a coal-based heat storage carbon material, a preparation method and application thereof, a composition for preparing the coal-based heat storage carbon material and application. The coal-based heat storage material comprises a component A and a component B, the ID/IG of the component A is 0-0.6, and the ID/IGgt of the component B is 0-0.6; 1; wherein ID is the height of a D peak obtained through the Raman spectrum, and IG is the height of a G peak obtained through the Raman spectrum; according to the coal-based heat storage carbon material, the crystallite size Lc in the c-axis direction obtained through XRD ranges from 15 nm to 70 nm, the crystallite size La in the a-axis direction ranges from 15 nm to 150 nm, and the interlayer spacing d002 of the (002) crystal face ranges from 3.345 nm to 3.370 nm. The coal-based heat storage carbon material not only contains a carbon structure with high strength, but also has a graphite