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Spinel solid solution material and preparation method and application thereof

A solid solution and spinel technology is applied in the field of materials to achieve the effects of low price, simple preparation method and low energy consumption

Pending Publication Date: 2021-03-12
LIAONING UNIVERSITY OF PETROLEUM AND CHEMICAL TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the embodiments of the present invention is to provide a spinel solid solution material to solve the problem of preparation of existing spinel structure materials raised in the above-mentioned background technology

Method used

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  • Spinel solid solution material and preparation method and application thereof
  • Spinel solid solution material and preparation method and application thereof
  • Spinel solid solution material and preparation method and application thereof

Examples

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preparation example Construction

[0029] The embodiment of the present invention also provides a preparation method of the above-mentioned spinel solid solution material. The preparation method of the spinel solid solution material includes the following steps:

[0030] 1) Weighing copper source, aluminum source and citric acid in proportion to mix evenly, adding water and ball milling to obtain a mixture;

[0031] 2) Calcining the mixture in an air atmosphere, and pressing it into tablets to obtain the spinel solid solution material.

[0032] As another preferred embodiment of the present invention, in the preparation method of the spinel solid solution material, the calcination temperature is 500-1000°C, and the calcination time is 0-6h.

[0033] As another preferred embodiment of the present invention, in the preparation method of the spinel solid solution material, the ball milling time is 2-8 hours.

[0034] Preferably, the preparation method of the spinel solid solution material is: after physically mix...

Embodiment 1

[0042] A preparation method of spinel solid solution material, comprising the following steps:

[0043] Accurately weigh 5.26g copper nitrate (specifically Cu(NO 3 ) 2 ·3H 2 O), 3.75g hydrated alumina and 14.36g citric acid (specifically C 6 h 8 o 7 ·H 2 (0), mix all the raw materials evenly and put them into a ball mill jar, add 10mL of deionized water, ball mill for 6h, raise from room temperature to 900°C for 1h in an air atmosphere, and press into tablets to obtain spinel solid solution material A.

[0044] In the embodiment of the present invention, the obtained spinel solid solution material A is characterized and detected. Specifically, the fresh spinel solid solution material is characterized by XRD using X-ray diffraction technology (XRD), and the obtained XRD spectrum results are as follows figure 1 shown. exist figure 1 In , all diffraction peaks belong to spinel, indicating that the synthesized spinel solid solution material has a spinel structure.

[0045...

Embodiment 2

[0051] A preparation method of spinel solid solution material B, comprising the following steps:

[0052] Accurately weigh 4.81g copper nitrate (specifically Cu(NO 3 ) 2 ·3H 2 O), 2.83g alumina hydrate and 2.09g citric acid (specifically C 6 h 8 o 7 ·H 2 (2), mix all the raw materials evenly and put them into a ball mill jar, add 10mL of deionized water, ball mill for 5h, raise from room temperature to 900°C for 1h in an air atmosphere, and press into tablets to obtain spinel solid solution material B.

[0053] In the embodiment of the present invention, the obtained spinel solid solution material B is characterized and detected, specifically referring to Example 1, using X-ray diffraction technology (XRD) to carry out XRD characterization of the fresh spinel solid solution material B, and the obtained XRD The spectrogram results are as image 3 shown. exist image 3 In , all diffraction peaks belong to spinel, indicating that the synthesized spinel solid solution mat...

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Abstract

The invention relates to the field of materials, and particularly discloses a spinel solid solution material and a preparation method and application thereof, the solid solution material is Cu1-aAl2 +2 / 3aO4 spinel with excessive Al, and the spinel solid solution material is prepared from the following raw materials: a copper source, an aluminum source and citric acid. According to the embodimentof the invention, the spinel solid solution material is prepared by taking the copper source, the aluminum source and the citric acid as raw materials, mixing, grinding and roasting, the price of theselected raw materials is lower than that of the raw materials of the existing preparation method, and the spinel solid solution material with high spinel proportion can be prepared under a low-temperature condition, so that the energy consumption is low, the problem that an existing spinel structure material preparation method is long in process route or relatively low in spinel proportion is solved. The provided preparation method is simple, and the spinel solid solution material synthesized at low temperature has a wide market prospect.

Description

technical field [0001] The invention relates to the field of materials, in particular to a spinel solid solution material and its preparation method and application. Background technique [0002] With the continuous development of science and technology, the field of material technology has also developed rapidly. Among them, spinel structure materials are an important part of new functional materials. Due to their spinel structure, they can not only be used in chemical transformations such as thermal catalysis, electrocatalysis and photocatalysis, but also in dielectric, magnetic, sensitive, luminescent, Superconductivity and other fields have good application potential. For example, copper aluminum spinel can be used as an excellent catalytic material. It is widely used in the field of chemical synthesis. [0003] At present, many researchers are studying the preparation process of materials with spinel structure and applying them in chemical transformations such as the...

Claims

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Application Information

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IPC IPC(8): C04B35/44C04B35/622C04B35/64B01J23/72B01J37/08
CPCC04B35/44C04B35/622C04B35/64B01J23/72B01J23/005B01J37/088C04B2235/3281C04B2235/763C04B2235/6583C04B2235/656C04B2235/6567B01J35/33B01J35/39
Inventor 高志贤张磊乔韦军张财顺刘道胜韩蛟耿忠兴
Owner LIAONING UNIVERSITY OF PETROLEUM AND CHEMICAL TECHNOLOGY
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