Fabrication and Characterization of La0.6Sr0.4Co0.2Fe0.8O3-δ-Yttria Stabilized Zirconia Composite Cathodes Prepared by Infiltration Method

被引：5
作者：
Han, M. F. [1 ]
Liu, Z. [1 ]
Qian, J. [1 ]
机构：
[1] China Univ Min & Technol CUMTB, Sch Chem & Environm Engn, Union Res Ctr Fuel Cell, Beijing 100083, Peoples R China
来源：
SOLID OXIDE FUEL CELLS 12 (SOFC XII) | 2011年 / 35卷 / 01期
关键词：
HIGH-PERFORMANCE; OXIDE; ELECTRODE; SOFC; POLARIZATION; PEROVSKITES;
D O I：
10.1149/1.3570225
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Composite cathodes of yttria stabilized zirconia (YSZ) with Sr-, Co-doped LaFeO3 (LSCF) were prepared by infiltration of a porous YSZ matrix with different weight of aqueous solutions of the stoichiometric metal salts, followed by firing at various temperatures. X-ray diffraction measurements showed that the LSCF perovskite phase had formed at 800-900 degrees C and that solid-state reaction with the YSZ does not occur below approximately 950 degrees C. Various contents of LSCF from 15 wt% to 60 wt% are loaded in porous YSZ of anode supported cell (porous YSZ parallel to YSZ parallel to NiO-YSZ). The cell with 45 wt% LSCF exhibits better performance and lower interfacial resistance. The cell performance of LSCF fired at 850 degrees C is better than that of LSCF fired at 800 and 900 degrees C. The peak power densities of YSZ anode supported cell with 45 wt% LSCF fired at 850 degrees C are about 640, 869, and 972 mWcm(-2) at 700, 750, and 800 degrees C, respectively. The infiltrated LSCF cathode displays high catalytic activity and performance for the unique nano film coating fabricated with certain content at low temperature.
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收藏
页码：2295 / 2303
页数：9
相关论文
共 22 条
  • [1] Properties of La0.6Sr0.4Co0.2Fe0.8O3-δ (LSCF) double layer cathodes on gadolinium-doped cerium oxide (CGO) electrolytes -: I.: Role of SiO2
    Bae, JM
    Steele, BCH
    [J]. SOLID STATE IONICS, 1998, 106 (3-4) : 247 - 253
  • [2] Electrode activation of anode-supported SOFCs with LSM- or LSCF-type cathodes
    Haanappel, V. A. C.
    Mai, A.
    Mertens, J.
    [J]. SOLID STATE IONICS, 2006, 177 (19-25) : 2033 - 2037
  • [3] SOFC cathodes prepared by infiltration with various LSM precursors
    Huang, Y
    Vohs, JM
    Gorte, RJ
    [J]. ELECTROCHEMICAL AND SOLID STATE LETTERS, 2006, 9 (05) : A237 - A240
  • [4] Characterization of Sr-doped LaCoO3-YSZ composites prepared by impregnation methods
    Huang, YY
    Ahn, K
    Vohs, JM
    Gorte, RJ
    [J]. JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 2004, 151 (10) : A1592 - A1597
  • [5] Fabrication of Sr-doped LaFeO3YSZ composite cathodes
    Huang, YY
    Vohs, JM
    Gorte, RJ
    [J]. JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 2004, 151 (04) : A646 - A651
  • [6] Intermediate temperature SOFC - a promise for the 21st century
    Huijsmans, JPP
    van Berkel, FPF
    Christie, GM
    [J]. JOURNAL OF POWER SOURCES, 1998, 71 (1-2) : 107 - 110
  • [7] A review of wet impregnation - An alternative method for the fabrication of high performance and nano-structured electrodes of solid oxide fuel cells
    Jiang, SP
    [J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2006, 418 (1-2): : 199 - 210
  • [8] A comparison of O2 reduction reactions on porous (La,Sr)MnO3 and (La,Sr)(Co,Fe)O3 electrodes
    Jiang, SP
    [J]. SOLID STATE IONICS, 2002, 146 (1-2) : 1 - 22
  • [9] Ce0.8Gd0.2O2-δ protecting layers manufactured by physical vapor deposition for IT-SOFC
    Jordan, N.
    Assenmacher, W.
    Uhlenbruck, S.
    Haanappel, V. A. C.
    Buchkremer, H. P.
    Stoever, D.
    Mader, W.
    [J]. SOLID STATE IONICS, 2008, 179 (21-26) : 919 - 923
  • [10] Chemical compatibility of the LaFeO3 base perovskites (La0.6Sr0.4)(z)Fe(0.8)M(0.2)O(3-delta) (z=1, 0.9; M=Cr, Mn, Co, Ni) with yttria stabilized zirconia
    Kindermann, L
    Das, D
    Nickel, H
    [J]. SOLID STATE IONICS, 1996, 89 (3-4) : 215 - 220
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