Guangdong Provincial Key Laboratory of Plant Resources Biorefinery of Chemical Engineering and Light Industry University of Technology(GDUT) Waihuan Xi Road District 510006’s Republic of China;
Jieyang Branch of Chemistry and Chemical Engineering Guangdong Laboratory(Rongjiang Laboratory) 515200’s Republic of China;
Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province of Resources and Materials University at Qinhuangdao 066004’s Republic of China;
Materials Science and Engineering Science and Engineering Division Abdullah University of Science and Technology(KAUST) 23955‑6900 Arabia;
School of Advanced Manufacturing Institute of Green Chemical Engineering and Advanced Materials University of Technology(GDUT) 515200’s Republic of China;
Defect; HETEROATOM; Active sites; SUPRAMOLECULE; Potassium-ion hybrid capacitors;