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@ARTICLE{Ma:850875,
      author       = {Ma, Qianli and Balaguer, Maria and Pérez-Coll, Domingo and
                      de Haart, L.G.J. and Serra, Jose M. and Mather, Glenn C. and
                      Tietz, Frank and Menzler, Norbert H. and Guillon, Olivier},
      title        = {{C}haracterization and {O}ptimization of
                      {L}a0.97{N}i0.5{C}o0.5{O}3−δ -{B}ased {A}ir-{E}lectrodes
                      for {S}olid {O}xide {C}ells},
      journal      = {ACS applied energy materials},
      volume       = {1},
      number       = {6},
      issn         = {2574-0962},
      address      = {Washington, DC},
      publisher    = {ACS Publications},
      reportid     = {FZJ-2018-04626},
      pages        = {2784 - 2792},
      year         = {2018},
      abstract     = {On the basis of previous studies of perovskites in the
                      quasi-ternary system LaFeO3–LaCoO3–LaNiO3,
                      LaNi0.5Co0.5O3 (LNC) is chosen as the most promising
                      air-electrode material in the series for solid oxide cells
                      (SOCs). In the present study, A-site deficiency of LNC is
                      discussed and La0.97Ni0.5Co0.5O3 (LNC97) is selected as the
                      optimal composition. Compatibility of LNC97 with 8 mol $\%$
                      Y2O3 stabilized ZrO2 (8YSZ) is analyzed and compared with
                      that of the state-of-the-art air-electrode
                      La0.58Sr0.4Co0.2Fe0.8O3−δ (LSCF) and 8YSZ. Targeting to
                      the requirements of high-performance SOC air-electrodes
                      (high electronic and ionic conductivity and high catalytic
                      activity for the oxygen reduction reaction), LNC97-based
                      air-electrodes are tailored, characterized and optimized by
                      symmetric-cell tests. Principles of air-electrode design for
                      SOCs are revealed accordingly. Long-term measurement of the
                      symmetric cells over a period of 1000 h is performed and
                      possible degradation mechanisms are discussed. Full cells
                      based on optimized LNC97 air-electrodes are also tested.
                      Lower reactivity with 8YSZ in comparison to LSCF and a
                      similar performance render LNC97 a very competitive
                      candidate to substitute LSCF as air-electrode material of
                      choice for SOCs.},
      cin          = {IEK-1 / IEK-9},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-1-20101013 / I:(DE-Juel1)IEK-9-20110218},
      pnm          = {135 - Fuel Cells (POF3-135)},
      pid          = {G:(DE-HGF)POF3-135},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000458705800051},
      doi          = {10.1021/acsaem.8b00456},
      url          = {https://juser.fz-juelich.de/record/850875},
}