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Powdery Metal Oxide Mother Particles, Powdery Metal Oxide Child Particles, Process for Producing Powdery Metal Oxide Particles, Powdery Composite Particles, and Electrode for Solid Oxide Fuel Cell
Powdery Metal Oxide Mother Particles, Powdery Metal Oxide Child Particles, Process for Producing Powdery Metal Oxide Particles, Powdery Composite Particles, and Electrode for Solid Oxide Fuel Cell
Powdery metal oxide mother particles (child particles) for use in electrode for solid oxide fuel cells, which have cavities or pores. A process for producing powder metal oxide particles, comprising a dispersion liquid preparation step of preparing a dispersion liquid containing a metal salt and a pore-forming agent, and a spray pyrolysis process of spraying the dispersion liquid in a heating furnace to prepare a powdery metal oxide. Powdery composite particles produced by using powdery metal oxide mother particles (child particles). There is also provided an electrode for solid oxide fuel cell According to the present invention, powdery metal oxide particles with a large specific surface area for use in an electrode for solid oxide fuel cells, a process for producing the metal oxide particles, powdery composite particles with a large specific surface area, and an electrode for solid oxide fuel cells can be provided.
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