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@ARTICLE{Malzbender:20848,
      author       = {Malzbender, J. and Batfalsky, P. and Vaßen, R. and Shemet,
                      V. and Tietz, F.},
      title        = {{C}omponent {I}nteractions {A}fter {L}ong-{T}erm
                      {O}peration of an {SOFC} {S}tack {W}ith {LSM} {C}athode},
      journal      = {Journal of power sources},
      volume       = {201},
      issn         = {0378-7753},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {PreJuSER-20848},
      pages        = {196 - 203},
      year         = {2012},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {The reliable long-term operation of stacks with a low
                      degradation rate is a prerequisite for the commercialization
                      of solid oxide fuel cell (SOFC) technology. A detailed
                      post-test analysis of stacks is of major importance in
                      understanding degradation mechanisms. Here the results are
                      reported of a post-test analysis of an SOFC stack with anode
                      supported cells with Ni/YSZ anode, 8YSZ electrolyte, and a
                      lanthanum strontium manganite (LSM) cathode operated under
                      steady-state conditions for 19,000h. In particular, the
                      microstructural and chemical analyses of the relevant
                      metallic and ceramic components are reported. The
                      interconnects were coated with a (Mn,Co,Fe)(3) O-4 spinel by
                      atmospheric plasma spraying, which prevented Cr evaporating
                      into the cathode compartment. The diffusion of Mn from the
                      (La,Sr)MnO3 cathode into the 8YSZ electrolyte led to local
                      enrichment at grain boundaries, which might have been
                      responsible for the degradation via electronic pathways
                      leading to partial short-circuiting across the electrolyte.
                      However, the ultimate failure of the stack was the result of
                      a weakening and fracture of the 8YSZ electrolyte along grain
                      boundaries due to the local Mn enrichment. (C) 2011 Elsevier
                      B.V. All rights reserved.},
      keywords     = {J (WoSType)},
      cin          = {IEK-2 / IEK-1 / ZAT},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IEK-2-20101013 / I:(DE-Juel1)IEK-1-20101013 /
                      I:(DE-Juel1)ZAT-20090406},
      pnm          = {Rationelle Energieumwandlung / SOFC - Solid Oxide Fuel Cell
                      (SOFC-20140602)},
      pid          = {G:(DE-Juel1)FUEK402 / G:(DE-Juel1)SOFC-20140602},
      shelfmark    = {Electrochemistry / Energy $\&$ Fuels},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000300264400027},
      doi          = {10.1016/j.jpowsour.2011.10.117},
      url          = {https://juser.fz-juelich.de/record/20848},
}