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COMPOSITE PARTICLE POWDER, ELECTRODE MATERIAL FOR SOLID OXIDE CELL, AND ELECTRODE FOR SOLID OXIDE CELL MADE THEREOF
A composite particle powder comprises an electron-conducting material and an ion-conducting material that are agglomerated together; the composite particle powder having a volume-based 50% particle diameter (D50) of 0.1 to 2.0 µm in particle size distribution measurement, a volume-based D75/D25 of 1.1 to 2.2 in particle size distribution measurement, D50 and a BET specific surface that satisfy the following: (I) in the case of 0.1 µm ≤ D50 ≤ 0.5 µm, larger than 20 m/g and 200 m/g or less; (II) in the case of 0.5 µm < D50 ≤ 0.9 µm, larger than 4 m/g and 50 m/g or less; (III) in the case of 0.9 µm < D50 ≤ 1.3 µm, larger than 2.5 m/g and 30 m/g or less; and (IV) in the case of 1.3 µm < D50 ≤ 2.0 µm, larger than 2 m/g and 20 m/g or less; and an ion-conducting material content of 35 to 75 mass%.According to the present invention, an electrode having a low electrode resistance can be provided using an oxide or a metal as a raw material.
COMPOSITE PARTICLE POWDER, ELECTRODE MATERIAL FOR SOLID OXIDE CELL, AND ELECTRODE FOR SOLID OXIDE CELL MADE THEREOF
A composite particle powder comprises an electron-conducting material and an ion-conducting material that are agglomerated together; the composite particle powder having a volume-based 50% particle diameter (D50) of 0.1 to 2.0 µm in particle size distribution measurement, a volume-based D75/D25 of 1.1 to 2.2 in particle size distribution measurement, D50 and a BET specific surface that satisfy the following: (I) in the case of 0.1 µm ≤ D50 ≤ 0.5 µm, larger than 20 m/g and 200 m/g or less; (II) in the case of 0.5 µm < D50 ≤ 0.9 µm, larger than 4 m/g and 50 m/g or less; (III) in the case of 0.9 µm < D50 ≤ 1.3 µm, larger than 2.5 m/g and 30 m/g or less; and (IV) in the case of 1.3 µm < D50 ≤ 2.0 µm, larger than 2 m/g and 20 m/g or less; and an ion-conducting material content of 35 to 75 mass%.According to the present invention, an electrode having a low electrode resistance can be provided using an oxide or a metal as a raw material.
COMPOSITE PARTICLE POWDER, ELECTRODE MATERIAL FOR SOLID OXIDE CELL, AND ELECTRODE FOR SOLID OXIDE CELL MADE THEREOF
VERBUNDPARTIKELPULVER, ELEKTRODENMATERIAL FÜR FESTOXIDZELLE UND DARAUS HERGESTELLTE ELEKTRODE FÜR FESTOXIDZELLE
POUDRE DE PARTICULES COMPOSITES, MATÉRIAU D'ÉLECTRODE POUR CELLULE À OXYDE SOLIDE, ET ÉLECTRODE POUR CELLULE À OXYDE SOLIDE FABRIQUEE A PARTIR DE CE MATERIAU
SHIMADA HIROYUKI (Autor:in) / YAMAGUCHI TOSHIAKI (Autor:in) / YAMAGUCHI YUKI (Autor:in)
19.01.2022
Patent
Elektronische Ressource
Englisch
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