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Nickel Oxide Powder Material for Solid Oxide Fuel Cell, Process for Producing the Nickel Oxide Powder Material, and Fuel Electrode Material, Fuel Electrode, and Solid Oxide Fuel Cell Using the Nickel Oxide Powder Material
Nickel Oxide Powder Material for Solid Oxide Fuel Cell, Process for Producing the Nickel Oxide Powder Material, and Fuel Electrode Material, Fuel Electrode, and Solid Oxide Fuel Cell Using the Nickel Oxide Powder Material
INDUSTRIAL APPLICABILITY When used as a fuel electrode material for a solid oxide fuel cell, the present invention suppresses the breakdown of the electrode due to the oxidation expansion when the fuel electrode is exposed to the oxidizing atmosphere due to abnormality in fuel supply or the like, And a fuel electrode material for a solid oxide fuel cell using the nickel oxide powder material. A nickel oxide powder material for an anode material constituting a solid oxide fuel cell comprises core particles (a) made of nickel oxide fine particles, a coating layer (a) formed on the surface of the core particles (b), and the amount of zirconium contained in the coating layer (b) is 0.001 to 0.01 g / m 2 per surface area of the nickel oxide fine particles.
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机译：工业上的可利用性本发明作为固体氧化物型燃料电池的燃料极材料使用时，由于燃料供给异常等而使燃料极暴露于氧化性气氛中时，能够抑制因氧化膨胀引起的电极破坏。以及使用该氧化镍粉末材料的用于固体氧化物燃料电池的燃料电极材料。用于构成固体氧化物燃料电池的负极材料的氧化镍粉末材料包括由氧化镍细颗粒制成的芯颗粒（a），在芯颗粒（b）的表面上形成的涂层（a）和一定量的覆盖层（b）中所含的锆为氧化镍微粒的每单位表面积的0.001〜0.01g / m 2 。
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