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Manganese molybdate micro-nano bundle and method for preparing same

A manganese molybdate micro-nano, micro-nano technology, applied in chemical instruments and methods, manganese compounds, inorganic chemistry, etc., can solve the problems of complex process, adding a large amount of surfactants, etc., to achieve large specific surface area and improve electrochemical performance. , the effect of low cost

Active Publication Date: 2017-08-11
合肥名龙电子科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a method for preparing X-shaped manganese molybdate micro-nano beams, which solves the problems that a large amount of surfactant needs to be added in the preparation process of existing manganese molybdate materials, and the process is relatively complicated.

Method used

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  • Manganese molybdate micro-nano bundle and method for preparing same

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preparation example Construction

[0021] A kind of preparation method of manganese molybdate micronano bundle provided by the invention comprises the following steps:

[0022] The first step is to configure an aqueous solution of manganese acetate tetrahydrate with a concentration of 0.1 to 3 mol / L;

[0023] The second step is to configure 0.05-0.2mol / L sodium molybdate dihydrate solution;

[0024] The third step is to mix the manganese acetate tetrahydrate aqueous solution and the sodium molybdate dihydrate solution according to the volume ratio of 1:1~2, after stirring evenly, pour it into the reaction kettle and seal it. Under the temperature of hydrothermal reaction for 3 to 5 hours, after the reaction is complete, it is suction filtered, washed and dried to obtain the intermediate product;

[0025] The fourth step is to put the intermediate product obtained above into a tube furnace, and under an argon atmosphere, the calcination temperature is 400°C-600°C, and the heating rate is 3°C·min -1 , after cal...

Embodiment 1

[0030] The first step, configuration concentration is the manganese acetate tetrahydrate aqueous solution of 0.1mol / L;

[0031] Second step, configure the sodium molybdate dihydrate solution of 0.05mol / L;

[0032] The third step is to mix manganese acetate tetrahydrate aqueous solution and sodium molybdate dihydrate solution according to the volume ratio of 1:1, after stirring evenly, pour it into the reaction kettle and seal it, and at the same time, hydrothermally react at a temperature of 120°C 3h, then it was suction filtered, washed and dried to obtain an intermediate product;

[0033] The fourth step is to put the intermediate product obtained above into a tube furnace, and under an argon atmosphere, the calcination temperature is 400°C, and the heating rate is 3°C·min -1 , calcined for 3 hours, and cooled to room temperature to obtain manganese molybdate micronano bundles.

Embodiment 2

[0035] The first step, configuration concentration is the manganese acetate tetrahydrate aqueous solution of 1mol / L;

[0036] Second step, configure the sodium molybdate dihydrate solution of 0.1mol / L;

[0037] The third step is to mix the manganese acetate tetrahydrate aqueous solution and the sodium molybdate dihydrate solution according to the volume ratio of 1:1.4. After stirring evenly, pour it into the reaction kettle and seal it. 4h, then it was suction filtered, washed and dried to obtain an intermediate product;

[0038] The fourth step is to put the intermediate product obtained above into a tube furnace, and under an argon atmosphere, the calcination temperature is 500°C, and the heating rate is 3°C·min -1 , calcined for 4h, and cooled to room temperature to obtain manganese molybdate micronano bundles.

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Abstract

The invention provides a manganese molybdate micro-nano bundle and a method for preparing the same. The method includes steps of firstly, preparing manganese acetate tetrahydrate aqueous solution with the concentration of 0.1-3 mol / L; secondly, preparing sodium molybdate dihydrate solution with the concentration of 0.05-0.2 mol / L; thirdly, mixing the manganese acetate tetrahydrate aqueous solution and the sodium molybdate dihydrate solution with each other according to a volume ratio of 1:(1-2), uniformly stirring the manganese acetate tetrahydrate aqueous solution and the sodium molybdate dihydrate solution, then pouring the manganese acetate tetrahydrate aqueous solution and the sodium molybdate dihydrate solution into a reaction kettle and carrying out sufficient hydrothermal reaction to obtain intermediate products; fourthly, placing the intermediate products in a tube furnace, calcining the intermediate products in argon atmosphere for 3-5 h, and then cooling the intermediate products until the temperatures of the intermediate products reach the room temperature to obtain the manganese molybdate micro-nano bundle. The manganese molybdate micro-nano bundle and the method have the advantages that the manganese molybdate micro-nano bundle prepared by the aid of the method has microscopic morphology of X-shaped structures and has large specific surface areas, and accordingly the electrochemical performance of manganese molybdate can be improved; the manganese molybdate micro-nano bundle is low in cost and high in purity, the method is simple, and accordingly the manganese molybdate micro-nano bundle has a potential market prospect in the field of nano-electronic devices.

Description

technical field [0001] The invention belongs to the field of preparation of inorganic micro-nano materials, in particular to a manganese molybdate micro-nano bundle and a preparation method thereof. Background technique [0002] Micronano molybdate (MMoO 4 ) due to the particularity of its crystal structure, it is widely used in optical, electrical, magnetic and other fields, and has a broad market prospect, so it has attracted the attention of many researchers, especially MnMoO 4 become the focus of research. For example, Chinese patent CN102502846A discloses a method for preparing manganese molybdate materials assembled into microrod structures by nanosheets; Chinese patent CN102154701A discloses a method for preparing manganese molybdate cobalt molybdate hierarchical heterostructure nanowires; In the preparation process, a large amount of surfactant (CTAB) needs to be added, and the preparation process is relatively complicated, and the product purity is not high. Con...

Claims

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Application Information

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IPC IPC(8): C01G45/00
CPCC01G45/00C01P2002/72C01P2004/03C01P2004/10C01P2006/40
Inventor 张利锋神克超刘毅郭守武
Owner 合肥名龙电子科技有限公司
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