A kind of preparation method of conductive polymer modified electrode material

Abstract

The invention relates to a preparation method for modified electrode materials of conductive polymers. The method comprises the following steps: preparing an oxidizing agent organic solution, adding nanometer electrode materials for ultrasonically dispersion, heating by a spin-coating method to form an organic membrane, putting the organic membrane into a closed container which is filled with the monomer atmosphere of the conductive polymers, uniformly cladding a layer of conductive polymers on the surfaces of the nanometer electrode materials by a gaseous polymerization method, and controlling the reaction temperature at 20-60 DEG C and the reaction time for 0.5-2 hours. The operation technology of the method disclosed by the invention is simple and easy to operate, and industrial large-scale production is easy to realize. By the method disclosed by the invention, the rate capability and the cycling stability of the modified lithium titanate nanometer electrode materials are significantly improved, and the method can be suitable for all kinds of the nanometer electrode materials which are applied to the field of lithium ion batteries.

Description

technical field [0001] The invention belongs to the field of new energy, and in particular relates to a preparation method of a conductive polymer modified electrode material. Background technique [0002] With the increasing depletion of oil resources and the continuous deterioration of the natural environment, people have shown unprecedented attention to the development and utilization of green energy. The development of more environmentally friendly, recyclable and high-efficiency new energy sources has become a hot topic of research at home and abroad in recent years. Among them, lithium-ion battery is a green energy representing the future development direction, and occupies a dominant position in the mobile electronic product market with its high energy and high power density. At the same time, lithium-ion batteries have shown broad application prospects in the energy storage and electric vehicle markets. Today, lithium-ion secondary batteries dominate the energy stor...

AI Technical Summary

Problems solved by technology

(Y. Yang etal.electrochemistry communications, 2009, (11) 1277-1280) However, the in-situ chemical method in the solution cannot guarantee that the surface of the nanomaterial particles is completely covered by the conductive polymer and its thickness is uniform.

Images