Process for producing a metal oxide powder
AssigneeOxford University Innovation Limited
InventorsPeter Edwards, Jonathan Dilworth, Vladimir Kuznetsov, Catherine Hayes
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Abstract
A process for producing a metal oxide powder comprising: providing a precursor solution or dispersion containing a metal complex; spraying the precursor solution on to a heated substrate in the presence of water, thereby depositing material on the substrate; drying the deposited material; and removing the deposited material from the substrate to produce the metal oxide powder.
Claims17
A process for producing a metal oxide powder comprising of one of a metal (IV) oxide powder (MO2 where M is a metal) and a metal oxide powder comprising of a metal (III) oxide film (M2O3 where M is a metal),
- the process comprising:
- providing one of a precursor solution and a dispersion containing a metal (IV) complex or a metal (III) complex;
- spraying the precursor solution or dispersion on to a heated substrate in the presence of water, thereby depositing material on the substrate;
- drying the deposited material;
- cooling the deposited material on the substrate at a controlled cooling rate of at least 10° C./min;
- and
- removing the deposited material from the substrate to produce the metal oxide powder,
- wherein:
- the metal (M) is vanadium, molybdenum, tungsten, germanium or manganese;
- and
- the spraying, drying and cooling steps are carried out in at least one of a protective or inert atmosphere.
Dependencies are inferred from the claim text.