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@INPROCEEDINGS{Berger:808409,
      author       = {Berger, Cornelius and Braun, Waldemar and Yazhenskikh,
                      Elena and Menzler, Norbert H. and Guillon, Olivier and Bram,
                      Martin},
      title        = {{T}hermodynamic properties and kinetic study of
                      {C}a{F}e$_{3}${O}$_{5}$ for high temperature applications},
      reportid     = {FZJ-2016-02232},
      year         = {2016},
      abstract     = {CaFe<sub>3</sub>O<sub>5</sub> is a promising material for
                      repeated redox cycles at high temperatures due to its
                      remarkable resistance against microstructural degradation.
                      Therefore, it could be used as an oxygen carrier in the
                      partial oxidation or full combustion of hydrocarbons and a
                      subsequent water-gas-shift reaction for the production of
                      hydrogen in a chemical looping process [1]. Also, it is a
                      major candidate material for the internal energy storage in
                      solid oxide cells. Therein, the material acts as a
                      reversible storage for oxygen ions and thus buffers the
                      surrounding atmosphere (H<sub>2</sub>O/H<sub>2</sub>) by
                      compensating local changes in the gas composition. Like
                      this, expenses related to gas handling, metering, and
                      storing can be saved. The thermodynamic properties of this
                      phase are calculated and compared to experimentally gathered
                      kinetic results, achieved via repeated redox cycling at 800
                      °C in a H<sub>2</sub>O/H<sub>2</sub> atmosphere. The
                      microstructural stability is shown via SEM and the phase
                      composition is measured with XRD. A modeling approach is
                      used to predict the interaction of the solid phase with the
                      surrounding gas. Finally, the material is applied in a fuel
                      cell – electrolyzer system, where the redox activity of
                      the material can be measured and analyzed using the
                      time-voltage-current plot. As a result, the accuracy of the
                      phase diagram could be verified, the stability of the
                      microstructure could be proved, and thus a proof-of-concept
                      was established.},
      month         = {Mar},
      date          = {2016-03-29},
      organization  = {15th International Conference on High
                       Temperature Materials Chemistry,
                       Orléans (France), 29 Mar 2016 - 1 Apr
                       2016},
      subtyp        = {After Call},
      cin          = {IEK-1 / IEK-2 / JARA-ENERGY},
      cid          = {I:(DE-Juel1)IEK-1-20101013 / I:(DE-Juel1)IEK-2-20101013 /
                      $I:(DE-82)080011_20140620$},
      pnm          = {135 - Fuel Cells (POF3-135) / SOFC - Solid Oxide Fuel Cell
                      (SOFC-20140602) / HITEC - Helmholtz Interdisciplinary
                      Doctoral Training in Energy and Climate Research (HITEC)
                      (HITEC-20170406)},
      pid          = {G:(DE-HGF)POF3-135 / G:(DE-Juel1)SOFC-20140602 /
                      G:(DE-Juel1)HITEC-20170406},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/808409},
}