Nanometer MnO2-modified carbon cloth supercapacitor electrode material and preparation method thereof

The invention relates to the technical field of supercapacitors, and discloses a supercapacitor electrode material of a nano MnO2-modified carbon cloth. The material comprises the following formula raw materials and components: an N-P co-doped carbon cloth, carbon nanotube hollow microspheres, KMnO4 and MnSO4. According to the supercapacitor electrode material of the nano MnO2-modified carbon cloth, polystyrene nano microspheres are used as a template, the obtained carbon nano tube hollow microsphere has a huge specific surface area, the carbon nano tube hollow microspheres are coated with nano MnO2, the agglomeration phenomenon of the nano MnO2 is effectively inhibited, more oxidation-reduction reaction active sites can be exposed, the conductive performance of the electrode material is enhanced by the carbon nanotubes, the phosphorylated polypyrrole loaded carbon fiber cloth is subjected to high-temperature thermal cracking to obtain the N-P co-doped modified carbon cloth, the conductivity of the carbon fib