Ti4O7 nano material as well as preparation method thereof and use thereof

A nano-material and nano-titanium dioxide technology, which is applied in the field of Ti4O7 nano-materials and its preparation, can solve problems such as difficult control of product quality, high operating cost, and complicated process, and achieve high degree of reduction, sufficient contact area, and improved product purity. Effect

Active Publication Date: 2018-11-23
LANGFANG GREEN IND TECH CENT +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Therefore, although the preparation methods provided by the above-mentioned documents can all obtain Ti 4 o 7 Powder

Method used

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  • Ti4O7 nano material as well as preparation method thereof and use thereof
  • Ti4O7 nano material as well as preparation method thereof and use thereof
  • Ti4O7 nano material as well as preparation method thereof and use thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] (1) Mix 70g of nano-titanium dioxide powder, 25g of activated carbon powder and 1g of glucose, place them in a ball mill jar, and perform ball milling for 10 hours with a ball-to-material ratio of 10:1 to obtain a mixed powder;

[0044] (2) Put the mixed powder in an atmosphere furnace, and heat treat the mixed powder under a nitrogen atmosphere. The heat treatment temperature is 1200°C, the heating rate is 8°C / min, and the holding time is 1h. After the reaction time expires, follow the furnace Cool down to get Ti 4 o 7 nanomaterials.

[0045] The Ti that the embodiment of the present invention 1 obtains 4 o 7 The X-ray diffraction pattern of the material is as figure 1 shown by figure 1 It can be seen that only Ti appears in the X-ray diffraction spectrum of the nanomaterial obtained by the preparation method of Example 1. 4 o 7 Diffraction peaks of the crystal structure, indicating that the main component of the nanomaterials is Ti 4 o 7 .

Embodiment 2

[0047] (1) Mix 60g of nano-titanium dioxide powder, 20g of carbon black powder and 0.3g of epoxy resin, place in a ball mill jar, and carry out ball milling for 40h with a ball-to-material ratio of 5:1 to obtain a mixed powder;

[0048] (2) Put the mixed powder in an atmosphere furnace, and heat treat the mixed powder under an argon atmosphere. The heat treatment temperature is 950°C, the heating rate is 15°C / min, and the holding time is 4h. Cool down the furnace to get Ti 4 o 7 nanomaterials.

Embodiment 3

[0050] (1) Mix 79.5g of nano-titanium dioxide powder, 20g of graphite powder and 0.5g of citric acid, place in a ball mill jar, and carry out ball milling for 20h with a ball-to-material ratio of 10:1 to obtain a mixed powder;

[0051] (2) Put the mixed powder in an atmosphere furnace, and heat-treat the mixed powder under a helium atmosphere. The heat treatment temperature is 1100°C, the heating rate is 10°C / min, and the holding time is 2h. Cool down the furnace to get Ti 4 o 7 Material.

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Abstract

The invention relates to a Ti4O7 nano material as well as a preparation method thereof and use thereof. The preparation method of the Ti4O7 nano material comprises the following steps: adopting nano titanium dioxide as a titanium source, adopting an inorganic carbon source and an inorganic carbon source as a reducing agent, and grinding and performing thermal treatment to obtain the Ti4O7 nano material. In a preparation process, the inorganic carbon source and the organic carbon source cooperatively act to realize controllable preparation of particle diameters and purity of product nano particles. The preparation method is simple in process flow, and is relatively low in cost; and the obtained Ti4O7 nano material is high in purity and conductivity, is small in particle diameter, and can beused as a catalysis material and an electrode material.

Description

technical field [0001] The invention relates to the technical field of nanomaterials, in particular to a Ti 4 o 7 Nanomaterials and methods of preparation and uses thereof. Background technique [0002] Ti 4 o 7 The powder material is the world's first black titanium metal oxide. Its crystal structure can be regarded as the matrix of rutile titanium dioxide. Every three layers of TiO 2 After that is an oxygen deficient layer (TiO layer). Ti 4 o 7 It is a pure blackness inorganic functional material, which has strong hiding power, dispersing power, good heat resistance, acid resistance, alkali resistance, solvent resistance, environmental protection and non-toxic, meets food-grade safety standards, and will not be harmful to the skin Produce damage, can be used as a pigment, in line with the development needs of low-carbon economy. At the same time, Ti 4 o 7 It has high electrical conductivity, good electrochemical stability and corrosion resistance, and has the abi...

Claims

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Application Information

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IPC IPC(8): C01G23/04B01J21/06
CPCB01J21/063C01G23/043C01P2002/72C01P2004/62C01P2006/40C01P2006/80
Inventor 谭强强夏青
Owner LANGFANG GREEN IND TECH CENT
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