W18O49 coated carbon fiber composite material and preparation method thereof

Abstract

The invention discloses a W18O49 coated carbon fiber composite material and a preparation method thereof. The W18O49 coated carbon fiber composite material takes carbon fibers as a reaction source and the W18O49 coated carbon fiber composite material is produced by adopting a solvothermal method; a monoclinic W18O49 nano-material grows on the carbon fibers through the solvothermal method in a coating manner; in a solvothermal preparation process, any template and any catalyst are not needed; the technology is simple, the yield is high and the cost is low, so that the W18O49 coated carbon fiber composite material is suitable for batch production; the W18O49 nano-material directly grows on carbon cloth and the prepared nano composite material has a uniform shape and coating tightness and can be used as photocatalysis, electrocatalysis, solar cell, flexible sensor, field emission and lithium-ion battery negative electrode materials.

Description

technical field [0001] The invention belongs to the field of nanomaterials and relates to a W 18 o 49 Covered carbon fiber composite material and preparation method thereof. Background technique [0002] With the continuous development of science and technology, electronic products and smart devices have begun to develop in the direction of miniaturization and light weight. Flexible electronic products have been applied to various fields of people's lives, such as wearable electronic devices and flexible display devices. Because of its good flexibility, carbon fiber can be spun to form carbon cloth, which can be widely used as flexible electrodes in various batteries, supercapacitors and other fields. W 18 o 49 It is tungsten oxide containing defects, which is an important semiconductor functional material, W 18 o 49 Nanomaterials are widely used as solar cells, lithium-ion battery display devices, sensitive devices, optoelectronic devices, photocatalytic materials, el...

AI Technical Summary

Problems solved by technology

At present, some scientific researchers have been engaged in the preparation of carbon fiber and tungsten oxide composite materials and achieved certain results. For example, Chinese patent CN106423144A discloses a carbon fiber@tungsten oxide nanoparticle core-shell composite structure and its preparation method, which is adopted in a vacuum furnace. , under the action of the carrier gas, first soak the WO with high temperature heating 3 The carbon fibers in the suspension are annealed at low temperature in air to obtain composite materials. The preparation process is relatively cumbersome, and the reaction requires a high temperature environment. The obtained tungsten oxide is nanocrystalline particles, which do not achieve directional growth, which limits the properties and properties of the material. application

Images