The very fine graphite powder The very fine graphite powder has good chemical stability. Specially processed very fine graphite powder has the characteristics of corrosion resistance, good thermal conductivity, and low permeability. It is widely used in
The graphite lubrication powder The graphite lubrication powder has good chemical stability. Specially processed graphite lubrication powder has the characteristics of corrosion resistance, good thermal conductivity, and low permeability. It is widely us
Abstract
Graphite anode materials are widely used in commercial lithium-ion batteries; however, the long electron/ion transportation path restricted its high energy storage. In this experiment, we designed a copper/graphite composite with a dual three-dimensional (3D) continuous porous structure combining used nonsolvent-induced phase separation and heat treatment, in which a large amount of graphite is embedded in the 3D porous copper/carbon architecture. In the novel structure, not only the electron and Li transmission performances are improved, but also the space of current collector is fully utilized. Meanwhile, carbonized polyacrylonitrile network stabilizes the interface between graphite and copper matrix. The obtained copper/graphite composite anode has an initial discharge capacity of 524.6 mAh·g , a holding capacity of 350 mAh·g and excellent cycle stability (299.3 mAh·g after 180 cycles at 0.1C rate), exhibiting good electrochemical performance. The experimental resu