Method for the use of slurries in spray pyrolysis for the production of non-hollow, porous particles
AssigneeWashington University
InventorsDror Elhassid, William Moller, Richard Axelbaum, Miklos Lengyel, Gal Atlas
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Abstract
A process for preparing a metal oxide-containing powder that comprises conducting spray pyrolysis that comprises aerosolizing a slurry that comprises solid-phase particles in a liquid that comprises at least one precursor compound, which comprises one or more metallic elements of at least one metal oxide, to form droplets of said slurry, and calcining the droplets to at least partially decompose the at least one precursor compound and form the metal oxide-containing powder having a non-hollow morphology.
Claims13
A material comprising a plurality of mesoporous, metal oxide-containing secondary particles with a non-hollow morphology and a mean size that is in a range of about 1 μm to about 15 μm, wherein the secondary particles comprise primary particles with a mean size that is in a range of about 50 nm to about 500 nm, wherein the material is produced by spray pyrolysis, the spray pyrolysis comprising aerosolizing a slurry that comprises solid-phase particles and a metal-oxide containing powder, wherein the slurry has a total mass fraction of solid-phase particles to metal oxide-containing powder that is in a range of about 2% to about 75%.
Dependencies are inferred from the claim text.