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The Electrophoretic Deposition of Lanthanum Manganite Powders for a Cathode‐Supported Solid Oxide Fuel Cell in Planar and Tubular Configurations
Author(s) -
Krkljuš Ivana,
Branković Zorica,
Đuriš Katarina,
Vukotić Vesna,
Branković Goran,
Bernik Slavko
Publication year - 2008
Publication title -
international journal of applied ceramic technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.4
H-Index - 57
eISSN - 1744-7402
pISSN - 1546-542X
DOI - 10.1111/j.1744-7402.2008.02218.x
Subject(s) - materials science , electrophoretic deposition , cathode , electrolyte , sintering , porosity , lanthanum manganite , chemical engineering , oxide , layer (electronics) , solid oxide fuel cell , deposition (geology) , perovskite (structure) , lanthanum , planar , composite material , inorganic chemistry , metallurgy , electrode , paleontology , chemistry , engineering , coating , computer graphics (images) , computer science , sediment , biology
The purpose of this research was to obtain porous, high‐quality cathodes for solid oxide fuel cells in both planar and tubular shapes. To accomplish this, cathodic electrophoretic deposition of the LaMnO 3 powder (synthesized by the modified sol–gel method proposed by Pechini) was performed. The optimal sintering temperatures were 1200°C and 1300°C for the tubular and planar configurations, respectively. Single‐phase deposits with about 40% porosity were obtained in both configurations. The cathode quality was confirmed by depositing an electrolyte layer of YSZ. After the cosintering of both layers, an extremely dense electrolyte layer was obtained, and the cathode layer retained its high porosity.