Title:
粉末状の金属酸化物母粒子、粉末状の金属酸化物子粒子、粉末状の金属酸化物粒子の製造方法、粉末状の複合粒子及び固体酸化物形燃料電池用電極
Document Type and Number:
Japanese Patent JP4037899
Kind Code:
B2
Abstract:
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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Inventors:
Koichi Takizawa
Application Number:
JP2006543230A
Publication Date:
January 23, 2008
Filing Date:
October 20, 2005
Export Citation:
Assignee:
THE TOKYO ELECTRIC POWER COMPANY,INCORPORATED
International Classes:
H01M4/86; H01M4/88; H01M8/12
Domestic Patent References:
| JP9309768A | ||||
| JP7262819A | ||||
| JP2005158723A | ||||
| JP2004152552A |
Attorney, Agent or Firm:
Kenji Akatsuka
Yasuo Fukuda
Yasuo Fukuda