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@ARTICLE{Brandner:2218,
      author       = {Brandner, M. and Bram, M. and Froitzheim, J. and
                      Buchkremer, H. P. and Stöver, D.},
      title        = {{E}lectrically {C}onductive {D}iffusion {B}arrier {L}ayers
                      for {M}etal-{S}upported {SOFC}},
      journal      = {Solid state ionics},
      volume       = {179},
      issn         = {0167-2738},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {PreJuSER-2218},
      year         = {2008},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Metal-supported solid oxide fuel cells (SOFCs) are
                      considered to have a high potential for use in mobile
                      applications. However, there are still technical problems to
                      be solved. Especially the interdiffusion of iron, chromium
                      and nickel between ferritic FeCr substrates and
                      nickel-containing anodes is known to be a key factor for
                      rapid cell degradation.The main concern of the present work
                      was to develop a diffusion barrier layer between a sintered
                      composite comprising a ferritic FeCr substrate and a Ni/YSZ
                      anode to avoid interdiffusion during cell fabrication as
                      well as during electrochemical operation. Model experiments
                      were carried out with Cr2O3/Cr2MnO4, Ce0.8Gd0.2O2 and CeO2
                      diffusion barriers. In sintering experiments at 1100 degrees
                      C for 3 hours in argon atmosphere Ce0.8Gd0.2O2 and CeO2
                      displayed promising results by completely avoiding any
                      interdiffusion. Due to the higher electrical conductivity
                      CeO2 was chosen for the electrochemical cell tests.SOFCs
                      comprising an FeCr substrate, a CeO2 diffusion barrier layer
                      and a sintered Ni/YSZ anode were coated with a 9.5YSZ
                      electrolyte by the vacuum-plasma-spraying technique. The
                      thickness of the electrolyte was 60 mu m. A LSCF cathode was
                      then screen printed. At 800 degrees C a power 2 2 density of
                      430 mW/cm(2) was achieved. No significant voltage drop was
                      observed during operation for 165 h at 0.3 A/cm(2). (C) 2008
                      Elsevier B.V All rights reserved.},
      keywords     = {J (WoSType)},
      cin          = {IEF-2 / IEF-1 / JARA-ENERGY},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB810 / I:(DE-Juel1)VDB809 /
                      $I:(DE-82)080011_20140620$},
      pnm          = {Rationelle Energieumwandlung / SOFC - Solid Oxide Fuel Cell
                      (SOFC-20140602)},
      pid          = {G:(DE-Juel1)FUEK402 / G:(DE-Juel1)SOFC-20140602},
      shelfmark    = {Chemistry, Physical / Physics, Condensed Matter},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000259276200050},
      doi          = {10.1016/j.ssi.2008.03.002},
      url          = {https://juser.fz-juelich.de/record/2218},
}