Research progress on activated carbon for supercapacitor
The working principle of supercapacitor and the market situation of supercapacitor carbon were briefly described,the performance characteristics and preparation process of capacitor carbon(amorphous powder carbon)prepared from different raw materials such as plant,petroleum coke and resin were analyzed,and the research progress on coal tar pitch based spherical activated carbon and coal liquefied pitch based spherical activated carbon was presented.The performance advantages and disadvantages of amorphous powder activated carbon and spherical activated carbon were compared,and finally the advantages and application of coal liquefied pitch spherical activated carbon in supercapacitor were reviewed.