Key Laboratory of Cluster Science of Ministry of Education;
Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials;
School of Chemistry and Chemical Engineering;
Beijing Institute of Technology;
Beijing 100081;
China;
School of Material Science and Engineering.Beijing Institute of Technology;
Beijing 100081;
China;
School of Education;
College of Education;
University of Rwanda;
Rwamagana;
P.O.Box 55.Rwanda;
Plastics waste; Electrode materials; Electrolyte; High-voltage supercapacitor; Electrical double layer;