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What is the Tungsten Trioxide Ceramic?

Tungsten trioxide (WO3) is an extremely important high-tech material, which is characterized by non-linearity, high dielectric constant, electrochromism, gas detection, and chemical catalysis.

WO3

In order to make the ceramics both resistant to high temperatures and not easily broken, tungsten trioxide was added to the clay used to make the ceramics. Tungsten trioxide belongs to the class of metal ceramics. Tungsten trioxide ceramics is a material made of tungsten and ceramic materials, namely rare earth doped tungsten trioxide. Therefore, it has the advantages of both tungsten and ceramics, such as high-temperature resistance, chemical corrosion resistance, good thermal conductivity and high mechanical strength. Tungsten oxide ceramics include pressure-sensitive resistance ceramics, ceramic capacitors, photochromic ceramic films, gas-sensitive ceramics, photocatalytic degradation ceramic films, battery electrode ceramic materials, etc.

Although the physical properties of tungsten trioxide are easily affected by many factors and present complex changes, it has great potential in practical application. Nowadays, it has been widely used in many aspects.

Photochromic characteristics

The photochromic properties of tungsten trioxide can be used for high-density storage, image display, laser printing and switching devices.

Photocatalytic degradation

Photocatalytic degradation is to use a material as a photocatalyst to decompose some harmful substances. In recent years, it has been recognized that semiconductor tungsten oxide, as a photocatalyst, has the advantages of high efficiency, energy saving, clean and non-toxic, no secondary pollution and simple process, which has a broad application prospect in sewage treatment and deep treatment of domestic water.

Piezoresistor

tungsten trioxide

Tungsten trioxide can be used as a pressure-sensitive resistive material. Although the pressure-sensitive properties of this kind of materials are not very outstanding, the low pressure-sensitive voltage and low operating current make tungsten trioxide applied in practice as a low-pressure pressure-sensitive material.

Solid solution electrode

Alkali doped tungsten oxide is the most ideal cathode material for batteries, and these cathode materials are sometimes called solid solution electrodes. The solid solution electrode can not only improve the energy storage density but also form the power battery. Furthermore, not only does it not leak but also favors miniaturization.

Microwave absorber

Tungsten trioxide material has good absorbability to electromagnetic wave and can be used in mobile communication and satellite communication.

Stanford Advanced Materials supplies high-quality tungsten products to meet our customers’ R&D and production needs. Please visit http://www.samaterials.com for more information.

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