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@ARTICLE{Vibhu:865890,
      author       = {Vibhu, V. and Vinke, I. C. and Eichel, Rüdiger-A. and
                      Bassat, J.-M. and de Haart, L. G. J.},
      title        = {{L}a2{N}i1-x{C}ox{O}4þδ (x ¼ 0.0, 0.1 and 0.2) based
                      efficient oxygen electrode materials for solid oxide
                      electrolysis cells},
      journal      = {Journal of power sources},
      volume       = {444},
      issn         = {0378-7753},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2019-05169},
      pages        = {227292 -},
      year         = {2019},
      abstract     = {The present study is focused on the development of
                      alternative oxygen electrodes for Solid Oxide Electrolysis
                      Cells (SOECs). Rare earth nickelates with general formula
                      Ln2NiO4+δ (Ln = La, Pr or Nd) have shown good
                      performance as oxygen electrodes with various electrolytes.
                      Among them, La2NiO4+δ is most stable nickelate by itself
                      however its electrochemical performance is lower compare to
                      Pr2NiO4+δ. Therefore, to further enhance the
                      physico-chemical properties, electrochemical performance of
                      La2NiO4+δ as SOECs oxygen electrode, herein, we have
                      performed the substitution of nickel with cobalt. Three
                      compositions (x = 0.0, 0.1 and 0.2) were mainly
                      considered and completely characterized using several
                      techniques. The symmetrical as well as single cells were
                      then prepared and electrochemically characterized using DC-
                      and AC-techniques in the temperature range 700–900 °C.
                      The electrode reaction mechanism was also investigated by
                      recording the impedance spectra at different pO2. With
                      cobalt substitution, an improvement in electrochemical
                      performance as well lower degradation rate is observed
                      during long term SOEC operation at −1 A⋅cm−2 current
                      density at 800 °C with $50\%$ H2 and $50\%$ H2O feed gas
                      mixture.},
      cin          = {IEK-9},
      ddc          = {620},
      cid          = {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:000501401900016},
      doi          = {10.1016/j.jpowsour.2019.227292},
      url          = {https://juser.fz-juelich.de/record/865890},
}