National Institute of Clean-and-low-carbon Energy

China Energy Investment Corporation Limited

Yajun Tian

Wenbin Liang

Kun Tang

Chang Wei

Guanghong Pan

Danmiao Kang

Chunting Duan

Libin Kang

The present disclosure relates to the field of carbon materials, in particular to an amorphous carbon material and a preparation method and an use thereof. The amorphous carbon material has the following characteristics: (1) the true density ρ of the amorphous carbon material and the interlayer spacing dobtained by powder XRD spectrum analysis satisfy the relational formula:×ρ×d≥70; (2) the interlayer spacing d, Land Lsatisfy the following relational formula: Lλd≤0.58; and 100×(L/L)×d≤0.425; (3) the amorphous carbon material contains 0.001-2% of a silicon component and 0.001-2% of an aluminum component, based on the total mass of the amorphous carbon material. The amorphous carbon material prepared by the present disclosure has desirable heat transfer performance and can provide high battery capacity.

Amorphous carbon material, preparation method and use thereof

The present disclosure relates to the field of carbon materials, in particular to an amorphous carbon material and a preparation method and an application thereof. The amorphous carbon material has the following characteristics: (1) a true density ρ of the amorphous carbon material and a interlayer spacing dobtained by powder X-Ray Diffraction (XRD) spectrum analysis satisfy the following relational formula: 100×ρ×d≥70; (2) the interlayer spacing d, Land Lof the amorphous carbon material obtained by powder XRD spectrum analysis satisfy the following relational formula: L×d≤0.58, and 100×(L/L)×d≤0.425 wherein ρ is denoted by the unit of g/cm, each of d, Land Lis denoted by the unit of nm. The amorphous carbon material prepared by the present disclosure has desirable heat transfer performance and can provide high battery capacity.

Amorphous carbon material, prepared by subjecting mixture of carbonaceous material and aqueous solution to phase separation and drying, preparation method and use thereof

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Yajun Tian