Average capacities of ruthenium(IV) oxide have reached 650 F/g when in H 2SO 4 solution and annealed at temperatures lower than 200 ☌. Ruthenium oxide has great capacity to store charge when used in aqueous solutions. It can be also used as active material in supercapacitor because it has very high charge transfer capability. Ruthenium oxide resistors can be used as sensitive thermometers in the temperature range. RuO 2 is extensively used for the coating of titanium anodes for the electrolytic production of chlorine and for the preparation of resistors or integrated circuits. ![]() Noteworthy reactions are the Fischer–Tropsch process, Haber–Bosch process, and various manifestations of fuel cells.Īspirational and niche applications ![]() RuO 2 can be used as catalyst in many other situations. Ruthenium(IV) oxide is being used as the main component in the catalyst of the Sumitomo- Deacon process which produces chlorine by the oxidation of hydrogen chloride. The resulting particle populations may be controlled to comprise substantially monodisperse, uniform spheres with diameters in the range 40nm - 160nm. Įlectrostatically stabilized hydrosols of pristine ruthenium dioxide hydrate have been prepared by exploiting the autocatalytic reduction of ruthenium tetroxide in aqueous solution. RuO 2 can also be prepared through electroplating from a solution of ruthenium trichloride. Nearly stoichiometric single crystals of RuO 2 can be obtained by chemical vapor transport, using O 2 as the transport agent: RuO 2 + O 2 ⇌ RuO 4įilms of RuO 2 can be prepared by chemical vapor deposition (CVD) from volatile ruthenium compounds. It is usually prepared by oxidation of ruthenium trichloride. Like many dioxides, RuO 2 adopts the rutile structure. It is widely used as an electrocatalyst for producing chlorine, chlorine oxides, and O 2. This black solid is the most common oxide of ruthenium. ![]() Ruthenium(IV) oxide is the inorganic compound with the formula Ru O 2.
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