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J. W. Fergus, “Lanthanum Chromite-Based Materials for Solid Oxide Fuel Cell Interconnects,” Solid State Ionics, Vol. 171, No. 1-2, 2004, pp. 1-15. doi:10.1016/j.ssi.2004.04.010

has been cited by the following article:

  • TITLE: Syntheses of Doped-LaCrO3 Nanopowders by Hydrothermal Method

    AUTHORS: Minkyung Kang, Juyeon Yun, Chiwook Cho, Changyoon Kim, Weonpil Tai

    KEYWORDS: Doped LaCrO3; Hydrothermal Reactions; Interconnects for Solid Oxide Fuel Cell

    JOURNAL NAME: Open Journal of Inorganic Non-metallic Materials, Vol.3 No.3, July 15, 2013

    ABSTRACT: The effects of additives and precipitants on the syntheses of doped LaCrO3 (lanthanum chromites) were studied by hydrothermal reaction at temperature ranges of 100℃ to 230℃. LaCrO3 nanopowders were synthesized by hydrothermal methods using several types of precipitants such as NaOH, KOH, NH4OH, and NH2CONH2. The influence of Sr, Ca and Co doping on the lanthanum chromites prepared by hydrothermal method were investigated. The synthesized nanopowders were characterized by means of XRD, SEM and densitometer. The electrical conductivity of the doped LaCrO3 was studied at 750℃ in air by a DC four point probe method. The particles size of undoped LaCrO3 nanopowder was approximately 100 nm when using KOH as a precipitant. The relative density of lanthanum chromite doped with calcium and cobalt is over 97%. The highest electrical conductivity of La0.62Ca0.38Co0.18Cr0.82O3 was 32.75 S/cm at 750℃ in air, which is 30 times higher than undoped LaCrO3. The density and electrical conductivity are increased by doping cobalt and calcium on the LaCrO3.