Fibrous composite electrode material and preparation method thereof

Abstract

The invention provides a fibrous composite electrode material and a preparation method thereof. The preparation method comprises the following steps: S1, preparing carbon nanotube aggregates; S2, compacting the carbon nanotube aggregates by a liquid phase medium to form a fibrous composite electrode material, wherein active substances are dispersed in the liquid phase medium; and S3, collecting the fibrous composite electrode material. Compared with the prior art, the method is characterized in that the carbon nanotube aggregates are synthesized by a floating catalytic chemical vapor deposition method, and the liquid phase medium employs active substance solution or suspending liquid, and the carbon nanotube aggregates are compacted by the liquid phase medium to obtain the carbon nanotube fiber. In the process of compact, the active substances are effectively compounded to the surface and the internal of the carbon nanotube fiber to obtain a fibrous composite electrode material. The method has the advantages of simple process, low cost, high fiber conductivity and easy batch preparation, which is of great significance to the development of fibrous energy devices.

Description

technical field [0001] The invention relates to the field of nanomaterial manufacturing, in particular to a fibrous composite electrode material and a preparation method thereof. Background technique [0002] Fibrous energy storage devices play an important role in the fields of flexible electronics, smart wearables, and portable electronic devices. Among them, the fibrous electrode material is the key material of the fibrous energy storage device, which has received extensive attention from academia and industry in recent years. [0003] Carbon nanotubes have excellent mechanical and electrical properties. Carbon nanotube fibers are fiber materials assembled from a large number of nanoscale carbon nanotubes. They have the advantages of high strength, good electrical conductivity, flexibility, weaving, and large specific surface area. It is an ideal base material for the preparation of electrode materials for flexible fibrous energy storage devices. Carbon nanotube fiber m...

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Problems solved by technology

In the above scheme, the preparation of carbon nanotube composite electrode materials has disadvantages such as complicated process, high preparation cost, low electrical conductivity, and difficulty in batch preparation.

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