Research Progress of Electrode Materials for Zinc Ion Hybrid Supercapacitors
Zinc ion hybrid supercapacitors combine the advantages of high energy density zinc ion batteries and high-power density and high cycle stability supercapacitors,and have extremely high application prospects in the field of portable electronic devices and electric vehicles.In this paper,the working principle of zinc ion hybrid supercapacitors is introduced.The zinc storage capacity of capacitive electrode materials such as carbon materials(activated carbon,porous carbon,carbon nanotubes,graphene,biomass-derived carbon and MOFs/COFs-derived carbon)and pseudocapacitive materials(ruthenium dioxide and MXene-based materials)is comprehensively and systematically reviewed.The research progress of battery-type electrode materials such as metal zinc,manganese-based oxides and vanadium-based oxides is summarized.The challenges and future development directions of electrode materials for designing and preparing high-performance zinc ion hybrid supercapacitors are pointed out.
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