Tungsten Oxide

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Hydrogen Molybdenum Tungsten Bronze 250

Hydrogen molybdenum tungsten bronze (HxMo(W)O3, 0<x≤2) may be used as electrocatalyst for direct small organic molecule fuel cell. Platinum Modified with Hydrogen Molybdenum Tungsten Bronze as Electrocatalyst for Direct Small Organic Molecule Fuel Cell There are several problems that limit…

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Ammonium Tungsten Bronze 261

Ammonium tungsten bronze may be prepared by thermal reduction of ammonium paratungstate (APT). APT Thermal Reduction to Prepare Ammonium Tungsten Bronze 1. Experiment Equipment Three-stage heating tube type resistance furnace is used; Zone of constant temperature of the furnace tube…

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Potassium Tungsten Bronze 248

Potassium tungsten bronze (KxWO3) may be prepared by hybrid microwave method using K2WO4, WO3 and W powder as raw materials. With the increase of nominal potassium content x, the crystal structure of KxWO3 transforms from hexagonal (0.20≤x≤0.33) to tetragonal (0.50≤x≤0.60).…

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Sodium Tungsten Bronze 243

Sodium tungsten bronze (NaxWO3, 0<X<1) may be prepared by low temperature hydrothermal synthesis method. Low Temperature Hydrothermal Synthesis of Sodium Tungsten Bronze 1. Add dilute hydrochloric acid to 0.25 mol•L-1 Na2WO4 solution dropwise under stirring until the pH is around…

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Hydrogen Tungsten Bronze 259

Hydrogen tungsten bronze (HxWO3, 0≤x≤1) may be used as a co-catalyst in combination with platinum, thereby reducing the usage amount of platinum (The cost of platinum is high) and increasing the catalytic activity of platinum. Hydrogen tungsten bronze combines with…

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Platinum-hydrogen Tungsten Bronze 153

Platinum-hydrogen tungsten bronze may be applied as catalyzer. The Electroxidation of Methonal on Platinum-hydrogen Tungsten Bronze Direct methanol fuel cells (DMFCs) have been studied extensively due to their low operating temperature (<1008°C) and the fast start-up for applications such as…

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Tantalum Tungsten Bronze 164

Tantalum tungsten bronze (TaxWO3) may be synthesized via hydrothermal method using TaCl5 and Na2WO4•2H2O as raw materials. The TaxWO3 synthesized at 170°C for 48h is hexagonal with the size of about 10~50nm. And TaxWO3 has a strong electrocatalytic activity for…

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Mo-doped Tungsten Trioxide Nanorod 273

Mo-doped tungsten trioxide nanorod may be prepared by hydrothermal method on FTO conductive glass coated with a TiO2 crystal seed layer, which adopts sodium tungstate dihydrate and sodium molybdate dihydrate as main raw materials under different hydrothermal growth conditions (at…

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Industrial Grade Sodium Tungstate 289

Industrial grade sodium tungstate is also known as technical pure (TP) sodium tungstate, whose purity is lower than that of guarantee grade (GR), analytical grade (AR), chemical purity (CP) and laboratory purity (LR). These grades are classified in accordance with…

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Sodium Tungstate Dihydrate 332

Sodium tungstate dihydrate may be prepared by different methods such as alkaline hydrolysis, crystallization, extraction, soda solution pressure cooking, and so on. Alkaline Hydrolysis to Prepare Sodium Tungstate Dihydrate Step 1: Wolframite ore is crushed to 320 mesh, and alkaline…

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