The present disclosure relates to a negative electrode active material, a negative electrode sheet, an energy storage device and an electricity-consumption device. The negative electrode active material includes: mesopores with a pore size of 2nm to 50nm a...

The present invention relates to a method for preparing a negative electrode active material, which includes mixing green coke particles, calcined coke particles, and a binder, and graphitizing the mixture through heat treatment to form an artificial graph...

The claimed invention is directed to a catalytic graphitization process to convert fuel-grade petroleum coke into battery-grade graphite using a recyclable catalyst derived from iron, nickel or cobalt.

Composite powders for electrode production may be formed by blending a graphitization catalyst or precursor thereof with petroleum pitch under grinding conditions. The composite powders may comprise about 0.1 wt. % to about 30 wt. % graphitization catalyst...

Embodiments of the present application provides an artificial graphite, a secondary battery, a preparation method and a device. The artificial graphite of the present application satisfies: PD5t/PD0.5t ≤ 1.35, wherein PDst is a compacted density of the a...

This application provides an artificial graphite material A. The artificial graphite material A is secondary particles, where a surface roughness ηA of the artificial graphite material A satisfies 6≤ηA≤12. This application further provides an artific...

To provide a negative electrode carbon material capable of suppressing capacity degradation which will occur due to repetition of a charge/discharge cycle, storage under a charged state, float charging, or the like. An artificial graphite for a negative el...

To provide a nonaqueous secondary battery exhibiting a sufficiently small charge/discharge irreversible capacity in the initial cycle, exhibiting an excellent charge acceptance and excellent cycle characteristics, even when the negative electrode material-...