Titanium carbide in-situ-growth CNTs three-dimensional composite material with carbon microspheres being transition layers and preparing method thereof

一种炭微球作为过渡层碳化钛原位生长CNTs三维复合材料及其制备方法

Abstract

本发明涉及一种炭微球作为过渡层碳化钛原位生长CNTs三维复合材料及其制备方法,将Ti3C2纳米粉体分散于超纯水中,分散均匀后再加入葡萄糖,搅拌5~30min后进行水热反应,得Ti3C2@C复合材料;将Ti3C2@C复合材料加入到超纯水中,分散均匀后再加入Co(NO3)2·6H2O,搅拌反应2~6h;反应结束后再加入尿素,在恒定温度下持续搅拌蒸发掉水分,得到前驱体粉末;将前驱体粉末进行热处理,得到炭微球作为过渡层碳化钛原位生长CNTs三维复合材料。本发明三维复合材料是在Ti3C2表面生长出碳纳米管,利用碳纳米管提供电子传输通道,提高材料的导电率。
The invention relates to a titanium carbide in-situ-growth CNTs three-dimensional composite material with carbon microspheres being transition layers and a preparing method thereof. The method comprises the steps of dispersing Ti3C2 nano powder into ultrapure water, then adding glucose after uniformly dispersing Ti3C2 nano powder, stirring the mixture for 5-30 min, and afterwards conducting a hydrothermal reaction to obtain a Ti3C2 @C composite material; adding the Ti3C2 @C composite material into the ultrapure water, then adding Co(NO3)2.6H2O into the ultrapure water after uniformly dispersing the Ti3C2 @C composite material, and stirring the mixture for a reaction for 2-6 h; then adding urea after the reaction is over, and conducting continuous stirring at a constant temperature to evaporate moisture to obtain precursor powder; conducting thermal treatment on the precursor powder to obtain the titanium carbide in-situ-growth CNTs three-dimensional composite material with the carbon microspheres being the transition layers. According to the titanium carbide in-situ-growth CNTs three-dimensional composite material with the carbon microspheres being the transition layers and the preparing method thereof, carbon nano tubes are grown on the surface of Ti3C2, the carbon nano tubes are utilized to provide an electron transferring channel, and thus the electric conductivity of the material is increased.

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