| abstract |
The invention provides CNT/CoFe 2 O 4 /Fe 3 O 4 The preparation method of the electrode material of the super capacitor comprises the step of preparing CNT/CoFe by a one-step hydrothermal method 2 O 4 Then dissolving iron salt in ethylene glycol, adding sodium acetate and polyethylene glycol, stirring to dissolve completely, and then adding CNT/CoFe 2 O 4 Is mixed with Fe by hydrothermal method 3 O 4 Compounding, overcomes CoFe 2 O 4 The preparation method has the advantages that the preparation method is simple, the cost is low, the electrode material has a good three-dimensional network structure, the agglomeration of oxide particles is effectively prevented, the specific surface area of the material is greatly improved, the transmission rate and the electronic conductivity of electrolyte are accelerated, and the electrochemical property and the chemical stability are excellent. |