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@INPROCEEDINGS{Rhrens:154552,
      author       = {Röhrens, Daniel and Büchler, Oliver and Sebold, Doris and
                      Schafbauer, Wolfgang and Franco, Thomas and Menzler, Norbert
                      H. and Buchkremer, Hans Peter},
      title        = {{M}icrostructural {A}nalysis of a metal-supported {SOFC}
                      after redox-cycling},
      reportid     = {FZJ-2014-03860},
      year         = {2014},
      abstract     = {A metal-supported SOFC (MSC) has been developed with the
                      aim of an application in an auxiliary power unit (APU) for
                      mobile systems. This cell design is expected to be more
                      robust towards thermo-, mechanical- and chemical stresses
                      that arise during operation of the SOFC-system when compared
                      to the state-of-the-art anode supported cells (ASC). One of
                      the most important cell-degradation pathways is the
                      (partial) oxidation of the anode, due to oxygen diffusion
                      into the fuel side of the stack during system shutdown. The
                      oxidation of the nickel catalyst leads to an expansion of
                      the anode and strain is induced within the cell, which
                      results in microstructural degradation if a critical degree
                      of oxidation is exceeded. We exposed MSC-halfcells to cyclic
                      oxidation conditions by introducing air to the fuel side
                      electrode followed by subsequent reduction in $Ar/H2(4\%).$
                      A detailed microstructural analysis of these samples is
                      presented. Due to the novel MSC-concept, a higher critical
                      degree of oxidation of nickel is tolerated before
                      irreversible damage and cell failure are observed.},
      month         = {Jul},
      date          = {2014-07-01},
      organization  = {11th European SOFC and SOE Forum 2014,
                       Luzern (Switzerland), 1 Jul 2014 - 4
                       Jul 2014},
      subtyp        = {Other},
      cin          = {IEK-1},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {123 - Fuel Cells (POF2-123) / SOFC - Solid Oxide Fuel Cell
                      (SOFC-20140602)},
      pid          = {G:(DE-HGF)POF2-123 / G:(DE-Juel1)SOFC-20140602},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/154552},
}