▎ 摘　　要

NOVELTY - Rapid charging graphite cathode material, comprises 0.1-1 wt.% graphene/carbon nanotube composites and 0.05-0.5 wt.% graphyne-modified graphite, where graphene/carbon nanotube composites and graphyne are coated on the surface of graphite particles, and the mass ratio of graphene to carbon nanotube is 1:1-5:1. USE - A fast charging graphite material cathode is useful for lithium-ion battery. ADVANTAGE - The fast-charging graphite material cathode capable of improving the fast charging performance, but also can effectively improve the safety performance of the battery DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: Preparing rapid charging graphite cathode material, comprising mixing the graphene/carbon nanotube composite and graphite uniformly in proportion, mechanical fusion processing in mixed powder, depolymerizing and coating graphene/carbon nanotube composite on the graphite substrate to obtain a graphite composite powder loaded with the graphene/carbon nanotube composite; mixing graphene/carbon nanotube composite loaded After the graphite composite powder and graphyne evenly in proportion, carrying out mechanical fusion, depolymerizing graphyne and coated on the graphite substrate to obtain the cathode material; the speed of the mechanical fusion machine is 100-1800rpm, and the width of the tool gap 0.1-0.5 cm, fusion time 0.5-2 hours; and A lithium-ion battery. DESCRIPTION OF DRAWING(S) - The drawing shows a structure schematic diagram of quick-charging graphite composite powder B fast charging graphite. (Drawing includes non-English language text).