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Tungsten oxide powder may not only be applied for preparing thermal insulation film, which mainly exhibits its photochromic properties, but also be used for producing electrochromic devices, mainly exhibiting their electrochromic properties. The electrochromic device is essentially a transparent rechargeable thin film battery, that is, a rocking battery, whose working principle has a high similarity to the working principle of lithium battery. The coloring and fading process of the electrochromic device corresponds to the charging and discharging process of the…

Tungsten oxide powder, which is an inorganic electrochromic material, may be applied for preparing thermal insulation paper. In recent years, that the nanotechnology improves the discoloration performance through structural adjustment has become increasingly mature. And this technology has led to the study of tungsten oxide being redirected to the crystalline structure that has more compact and stable structure while its discoloration performance relatively poor. This makes it possible to prepare crystalline tungsten oxide with high rate of discoloration while ensuring…

Tungsten oxide powder may be applied for producing thermal insulation masterbatch, which will have excellent weather resistance, high temperature resistance, high transparency, high heat insulation and environmental protection. Tungsten oxide is also an inorganic electrochromic material. At present, the market application of electrochromic materials is limited to small-sized products such as automatic anti-glare automobile rearview mirrors and aircraft portholes. In order to realize the wide-area use of electrochromic materials in the field of building curtain walls, it is necessary to…

Tungsten oxide powder may be applied for producing nano-ceramic color master with bright color, high temperature resistance, good light resistance, excellent weather resistance, and high transparency when it is applied in products. Tungsten oxide is also an electrochromic material with excellent properties. At present, the market application of electrochromic materials is limited to small-sized products such as automatic anti-glare automotive rearview mirrors, and aircraft portholes, etc. Research on electrochromic materials was mostly concentrated on electronic display devices from the mid-1970s…

Nano tungsten oxide, which may be applied for preparing ceramic microsphere, is an excellent electrochromic material with good stability, mainly showing in the following two features: 1. It has better structural stability during color reversible change process, which requires electrochromic materials to be less prone to irreversible structural damage during ion insertion and extraction, thus showing good reversibility of redox and color change, and long cycle life. 2. With high chemical stability, good weather resistance and corrosion resistance, it can…

Nano tungsten oxide may be used in heat insulating window glass, which is mainly to shield the ultraviolet (UV) and infrared rays, thereby reducing the temperature inside the car and improving the comfort of human body. Tungsten oxide can also be used on electrochromic devices with excellent electrochromic properties. And therefore, such electrochromic devices will have shorter color change response time, i.e., higher color conversion rate. This requires that the entire color change reaction have higher reaction rate under the…

Nano tungsten oxide may be applied for producing window heat insulation film. And therefore, such films can be applied in car windows or building windows. The photochromic properties or electrochromic properties of tungsten oxide will be reflected in accordance with its application mechanism. When tungsten oxide is used in practical applications as an electrochromic device, it has a long color retention time, which shows a certain storage memory ding. This property requires an ion conductor layer in an electrochromic device…

Nano tungsten oxide may be applied in the field of thermal insulating glass with excellent thermal insulation properties and high visible light transmittance. Tungsten oxide also has electrochromic properties and therefore can be used on electrochromic devices. The electrochromic device is generally composed of five-layer structure, which can be divided into two transparent conductor layers (TC), a counter electrode layer (CE), an ion conductor layer (IC), and an electrochromic layer (EC) sandwiched therebetween. If tungsten oxide is used as an…

Nano tungsten oxide, which may be applied for producing heat insulation coating, is an n-type semiconductor material and a “d0” oxide. Such two features make tungsten oxide have many advantages at the same time. Although tungsten oxide is often present in various structures such as amorphous structure, monoclinic structure, and hexagonal structure, while its main structure is composed of tungsten-oxygen octahedron connected end to end. Depending on the crystal structures and surrounding environment, the octahedral unit will be distorted in…

Nano tungsten oxide may be used to produce thermal insulation coating with excellent photochromic properties. Tungsten oxide is also a type of electrochromic material. It is worth noting that the reversible transformation process of tungsten oxide and tungsten bronze is always accompanied by the transfer of internal electrons and the change of tungsten valence, which will induce a color change reaction and achieve controllable adjustment of transmitted light. This feature was first discovered in 1969 and has since been widely…