Preparation method and application of a tungsten-based nanoflower material

A nano-flower and tungsten-based technology is applied in the field of preparation of tungsten-based nano-flower materials, which can solve rare problems and achieve the effects of good repeatability, high yield and good industrialization prospects.
CN109680178BActive Publication Date: 2020-12-01YANCHENG INST OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
YANCHENG INST OF TECH
Publication Date
2020-12-01

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Abstract

The invention discloses a preparation method and application of a tungsten-based nanoflower material. Cu, W metal blocks and rare earth salts are fully ball milled and mixed, and rare earth doped 50nm-1μm Cu-W is prepared by a variable current laser ion beam gas phase method Alloy nanospheres, and then remove metal copper by controlling the temperature and time of liquid phase oxidation to obtain rare earth doped W‑W 2 o 3 The composite structure is finally calcined to prepare a rare earth-doped tungsten-based nanoflower material with controllable sheet density and rich oxygen vacancies. The application of the above-mentioned tungsten-based nanoflower material in the preparation of photocatalyst, gas sensor or negative electrode material of battery. The prepared rare earth-doped tungsten-based nanoflower material containing rich oxygen vacancies can be applied to high-performance lithium-ion battery anode materials, sensor materials or photocatalytic materials. Compared with the prior art, the present invention has simple process steps, short reaction time, good repeatability, high yield, low cost and good potential for large-scale application.
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Description

technical field

[0001] The invention relates to technical fields such as battery materials, sensors, and photocatalysis, and in particular to a preparation method and application of a tungsten-based nanoflower material. Background technique

[0002] Tungsten oxide is an important semiconductor oxide material. Because of its unique photoelectric properties, gas-sensing properties, and good chemical stability, it has a wide range of applications in the fields of sensitized solar cells, sensors, photocatalysis, and lithium-ion battery anode materials. Applications. Compared with other nanostructures, the tungsten oxide nanoflower structure has high porosity, larger specific surface area, better photoelectric performance and gas sensing performance, so it has great development potential and application prospects in many fields.

[0003] At present, there are many preparation methods for tungsten oxide nanomaterials, including template method, anodic oxidation method, sol-gel me...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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