Key Laboratory of Advanced Energy Materials Chemistry(Ministry of Education) Research Center of High-efficiency Energy Storage(Ministry of Education) Energy Conversion and Storage Center(RECAST) of Chemistry University 300071;
Institute for Superconducting and Electronic Material Institute for Innovative Materials.University of Wollongong Campus Way Wollongong South Wales 2522;
Potassium-ion batteries; CuP_(2)/C composite; Metal phosphides; P-O-C chemical bond; KFSI-based electrolyte;