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@ARTICLE{Beez:850227,
      author       = {Beez, Alexander and Schiemann, Kevin and Menzler, Norbert
                      H. and Bram, Martin},
      title        = {{A}ccelerated testing of chromium poisoning of
                      sr-containing mixed conducting solid oxide cell air
                      electrodes},
      journal      = {Frontiers in energy research},
      volume       = {6},
      number       = {70},
      issn         = {2296-598X},
      address      = {Lausanne},
      publisher    = {Frontiers Media},
      reportid     = {FZJ-2018-04282},
      pages        = {1-8},
      year         = {2018},
      abstract     = {A straightforward method for accelerated testing of Cr
                      poisoning phenomena on mixed ionic and electronic conducting
                      (MIEC) Solid Oxide Cell (SOC) air electrode materials was
                      developed. Cr2O3-powder is mixed with an organic matrix and
                      screen printed onto anode-supported button cells with
                      (La,Sr)(Co,Fe)O3−δ (LSCF) cathode. Then, a thermal
                      treatment was conducted to achieve the formation of a
                      well-defined amount of SrCrO4 on the cathode surface within
                      only a few hours. For the proof of concept, single cell
                      measurements were done to investigate the influence of this
                      new kind of Cr deposition. As reference, a cell poisoned via
                      gas phase diffusion and a cell without any Cr contamination
                      were characterized in the same manner. According to the
                      impedance data, the polarization resistance for both cells,
                      which were contaminated with Cr species, increased. The
                      expected relationship between deposited amount of Cr and
                      increase of polarization resistance was found. ICP-OES
                      analysis proves the high reproducibility of the method as
                      the Cr content is only a function of the Cr paste
                      composition and almost independent of external poisoning
                      conditions. Due to its scalability and reproducibility, this
                      method is proposed to be a new tool for screening of cathode
                      materials and the investigation of different stages of Cr
                      poisoning prior to more sophisticated and time consuming
                      investigations like stack tests.},
      cin          = {IEK-1 / IEK-9},
      ddc          = {333.7},
      cid          = {I:(DE-Juel1)IEK-1-20101013 / I:(DE-Juel1)IEK-9-20110218},
      pnm          = {135 - Fuel Cells (POF3-135) / SOFC - Solid Oxide Fuel Cell
                      (SOFC-20140602)},
      pid          = {G:(DE-HGF)POF3-135 / G:(DE-Juel1)SOFC-20140602},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000440400500001},
      doi          = {10.3389/fenrg.2018.00070},
      url          = {https://juser.fz-juelich.de/record/850227},
}