摘要
1 Introduction In recent years,the study has found that spherical graphite has a high charge and discharge capacity and electrochemical stability,is the ideal lithium battery anodematerial and important ultra-high capacitor material,with a high cost performance(Chuan et al,2012).Spherical
基金
financial support from the National Natural Science Foundation of China (51274015)
National Program on Key Basic Research Pr oject (973 Program) (2014CB846000)
Test Fund of Peking University
