Preparation method of cadmium vanadate nanorods

A nanorod, cadmium vanadate technology, applied in nanotechnology, nanotechnology, chemical instruments and methods, etc., achieves the effects of low preparation temperature, large specific surface area and simple preparation process

Inactive Publication Date: 2013-06-05
ANHUI UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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  • Preparation method of cadmium vanadate nanorods
  • Preparation method of cadmium vanadate nanorods
  • Preparation method of cadmium vanadate nanorods

Examples

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Embodiment 1

[0019] Embodiment 1: after cadmium acetate, sodium vanadate, PVP and water are evenly mixed, put into reaction container and seal, wherein the mol ratio of cadmium acetate and sodium vanadate is 1: 1, and cadmium acetate, sodium vanadate account for water solvent 10% by weight, PVP accounts for 8% by weight of water solvent. Then, the temperature was kept at 200° C. for 24 hours, and finally a cadmium vanadate nanorod fluffy white product with a length of about 2 μm and a diameter of about 70 nm was obtained.

Embodiment 2

[0020] Embodiment 2: Put cadmium acetate, sodium vanadate, PVP and water into the reaction vessel after uniform mixing and seal, wherein the mol ratio of cadmium acetate and sodium vanadate is 1: 1, cadmium acetate, sodium vanadate account for water solvent 7% by weight, PVP accounts for 6% by weight of water solvent. Then, the temperature was kept at 200° C. for 12 hours, and finally a cadmium vanadate nanorod fluffy white product with a length of about 2 μm and a diameter of about 70 nm was obtained.

Embodiment 3

[0021] Embodiment 3: after cadmium acetate, sodium vanadate, PVP and water are evenly mixed, put into reaction container and seal, wherein the mol ratio of cadmium acetate and sodium vanadate is 1: 1, and cadmium acetate, sodium vanadate account for water solvent 7% by weight, PVP accounts for 4% by weight of water solvent. Then, the temperature was kept at 180° C. for 12 hours, and finally a cadmium vanadate nanorod fluffy white product with a length of about 2 μm and a diameter of about 70 nm was obtained.

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Abstract

The invention discloses a preparation method of cadmium vanadate nanorods, belonging to the technical field of nano material preparation. The preparation method comprises the following steps: by using cadmium acetate and sodium vanadate in a mol ratio of 1:1 as raw materials, polyvinylpyrrolidone (PVP) as a surfactant and water as a solvent, evenly mixing the cadmium acetate, sodium vanadate, PVP and water, sealing in a reaction vessel, and keeping at the temperature of 100-200 DEG C for 2-24 hours, wherein the amount of the cadmium acetate and sodium vanadate is not greater than 10 wt% of the water, and the amount of the PVP is not greater than 10 wt% of the water. The invention has the advantages of low preparation temperature, simple preparation process, no after-treatment procedure, low cost, and high purity and degree of crystallinity of the obtained cadmium vanadate nanorods, and thus, can easily implement industrialized production.

Description

Technical field: [0001] The invention belongs to the technical field of nanomaterial preparation, and in particular relates to a preparation method of cadmium vanadate nanorods. Background technique: [0002] As an important ternary oxide, vanadate has good optical and electrochemical properties, and has a good application prospect in optical devices and lithium-ion batteries, which has aroused extensive research interest. As an important ternary vanadate, cadmium vanadate has the characteristics of delithiation / intercalation crystal structure, high energy density and theoretical specific capacity, and can be used as a cathode material for lithium-ion batteries, which has attracted widespread attention. At present, cadmium vanadate particles with a particle size of tens to hundreds of microns and irregular shapes can be prepared by high-temperature solid-phase method. [0003] Compared with traditional bulk materials, one-dimensional nanomaterials have a unique microstructu...

Claims

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Application Information

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IPC IPC(8): C01G31/00B82Y30/00
Inventor 裴立宅谢义康
Owner ANHUI UNIVERSITY OF TECHNOLOGY
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