Hangzhou Institute of Advanced Studies Normal University 311231;
State Key Laboratory of Catalysis Institute of Chemical Physics Academy of Sciences 116023;
University of Chinese Academy of Sciences Road 19A District 100049;
College of Chemistry Engineering and Materials Science University 215123;
Dalian National Laboratory for Clean Energy Institute of Chemical Physics Academy of Sciences Road 457 116023;
Carbon nanospheres; Doping; Lithium-ion batteries; Polymers; Porosity;