Tungsten

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How to Prepare Tungsten Disulfide Electrocatalytic Hydrogen Evolution Catalyst? 282

How to prepare tungsten disulfide electrocatalytic hydrogen evolution catalyst? Or, how to prepare WS2 nanosheets for electrocatalytic hydrogen evolution reaction? The researchers proposed a method of synthesizing WS2 nanosheets on carbon cloth. This method has the advantages of simple operation, low cost and controllable procedure. More details, please visit: http://tungsten-disulfide.com/index.html Preparing Tungsten Disulfide Electrocatalytic Hydrogen Evolution Catalyst Take 2 g of sodium tungstate and 25 g of hydrochloric acid dissolved in 250 mL of deionized water, stir for 30 min…

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Tungsten Disulfide Nanopowder Applied for High Efficiency Hydrogen Evolution Catalyst 253

Tungsten disulfide nanopowder is a high efficiency hydrogen evolution catalyst that shows good electrocatalytic activity. And it is a kind of transition metal chalcogenide compound that may replace Pt for electrochemical hydrogen production. More details, please visit: http://tungsten-disulfide.com/index.html The Pt catalyst is the most effective electrocatalyst and has the best catalytic cycle for hydrogen evolution currently. However, Pt has limited application in industry. That is because Pt is a precious metal catalyst. There is very little storage in nature. And…

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Hydrogenation Catalytic Property of Tungsten Disulfide Nanosheet 243

Hydrogenation catalytic property of tungsten disulfide nanosheet is good. It is reported that tungsten disulfide nanosheets have better hydrogenation catalytic property than those of molybdenum disulfide powders. Therefore, WS2 nanosheets are often used as an electrochemical catalyst for hydrogen production. More details, please visit: http://tungsten-disulfide.com/index.html The reason why tungsten disulfide nanosheets have higher catalytic activity is that WS2 nanosheets have a special structure – stacked loosely monodisperse nanosheet structures, which can provide more bare active sites and facilitate the hydrogen…

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Tungsten Disulfide Nanosheet Applied for Perovskite Solar Cell 224

Tungsten disulfide nanosheet applied for perovskite solar cell is a new type of inorganic hole transport layer material. WS2 nanomaterial is a nanostructured material with unique optical, electrical and mechanical properties. It has the advantages of small density and large specific surface area, and has potential application prospects in the fields of catalysis and energy storage. More details, please visit: http://tungsten-disulfide.com/index.html Perovskite solar cell is a new concept solar cell and belongs to the third generation solar cell. In order…

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How to Prepare Tungsten Disulfide Nanosheet? 204

How to prepare tungsten disulfide nanosheet? There are common methods for preparing nano tungsten disulfide at present, such as direct pyrolysis and chemical vapor deposition. However, these methods require the conditions of high temperature and vacuum, and the process is complicated. In this regard, the researchers proposed a preparation method of WS2 nanosheets that can be carried out at low temperature, with a simple process flow and little pollution. More details, please visit: http://tungsten-disulfide.com/index.html Preparing Tungsten Disulfide Nanosheets by Solvothermal…

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How to Prepare Tungsten Disulfide Nanorod? 180

How to prepare tungsten disulfide nanorod? The prior processes usually require preparing a precursor first. The process is relatively complicated. And the obtained WS2 nanorods have non-uniform particle size and poor controllable morphology, which affect their application in tribology, photochemistry and other fields. In this regard, the researchers proposed a new preparation method of tungsten disulfide nanorods. More details, please visit: http://tungsten-disulfide.com/index.html Preparing Tungsten Disulfide Nanorods by Hydrothermal Method Dissolve 0.30 g of PEG600 into 70 mL of distilled water,…

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A New Lithium Battery Anode Material: Yellow Tungsten Oxide 202

Yellow tungsten oxide, or tungsten trioxide (WO3), is a new lithium battery anode material. As is well-known, graphite is the anode material of lithium ion batteries that have been commercialized currently. While research on new anode materials for lithium-ion batteries is still a top priority, because graphite has some shortcomings, such as lower specific capacity, more side reactions, and poor layered structure stability. More details, please visit: http://tungsten-oxide.com/index.html Studies have shown that the lithium adsorption position of WO3 lies between…

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Yellow Tungsten Oxide Applied for New Gas Sensor with High Sensitivity and Low Power Consumption 222

Yellow tungsten oxide, more precisely, hexagonal tungsten trioxide (h-WO3), can be used to prepare a new gas sensor of high sensitivity and low power consumption. The prepared high-performance gas sensor has excellent sensitivity to toxic and harmful gases in the environment, such as CO, NOx, NH3, and H2S. Therefore, researchers have conducted extensive and in-depth research on various h-WO3 gas sensors. More details, please visit: http://tungsten-oxide.com/index.html Some researchers have studied the gas-sensing mechanism of CO on the surface of h-WO3(001)…

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Yellow Tungsten Oxide Applied for Flame Retardant Modification of Wool Fabric 174

Yellow tungsten oxide, or tungsten trioxide (WO3), can be used for flame retardant modification of wool fabric. Specifically, the researchers used WO3 sol instead of WO3 powder to flame retard the wool fabric. More details, please visit: http://tungsten-oxide.com/index.html Compared with other fibers, wool has certain flame retardancy, while it still cannot meet some applications where the flame retardant performance requirements are more stringent, such as down jackets, fire uniforms, children’s toys, and aircraft blankets. Therefore, the researchers’ research on the…

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Yellow Tungsten Oxide Applied for Radiation-resistant Composite 209

Yellow tungsten oxide is mainly used as a radiation protection filler to prepare a radiation-resistant composite. Such an anti-radiation material is mainly prepared by 60-68 parts by weight of anti-radiation filler and 32-40 parts by weight of matrix. Wherein, the anti-radiation filler includes the following three components mixed in any ratio: yellow tungsten oxide, antimony oxide, single rare earth oxide and/or its salts; the substrate is selected from polyvinyl chloride or EPDM. More details, please visit: http://tungsten-oxide.com/index.html This is an…

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