A symmetrical solid oxide fuel cell prepared by dry-pressing and impregnating methods
作者： Xingbao Zhu , Zhe Lü , Bo Wei , Xiqiang Huang , Yaohui Zhang
DOI: 10.1016/J.JPOWSOUR.2010.07.055
关键词: Anode 、 Materials science 、 Yttria-stabilized zirconia 、 Cubic zirconia 、 Analytical chemistry 、 Cerium oxide 、 Electrolyte 、 Cathode 、 Solid oxide fuel cell 、 Electrode
摘要: In this study, a simple and cost-effective dry-pressing method has been used to fabricate symmetrical solid oxide fuel cell (SOFC) where the dense yttria-stabilized zirconia (YSZ) electrolyte film is sandwiched between two porous YSZ layers in which La(0.75)Sr(0.25)Cr(0.5)Mn(0.5)O(3-delta) (LSCM) based anode cathode are incorporated using wet impregnation techniques. The maximum power densities (P(max)) of single with 32 wt.% LSCM impregnated reach 333 265 mW cm(-2) at 900 degrees C dry H(2) CH(4), respectively. performance further improved additional small amount Sm-doped CeO(2) (SDC) or Ni. When 6 Ni as catalyst added both cathode. P(max) values 559 547 can be achieved, better than SDC. effect on also investigated by impedance spectra analysis. (C) 2010 Elsevier B.V. All rights reserved.
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