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@ARTICLE{Kournoutis:18154,
      author       = {Kournoutis, V.Ch. and Tietz, F. and Bebelis, S.},
      title        = {{C}yclic voltammetry characterization of a
                      {L}a(0.8){S}r(0.2){C}o(0.2){F}e(0.8){O}(3) (-) (delta)
                      electrode interfaced to {CGO}/{YSZ}},
      journal      = {Solid state ionics},
      volume       = {197},
      issn         = {0167-2738},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {PreJuSER-18154},
      pages        = {13 - 17},
      year         = {2011},
      note         = {The authors gratefully acknowledge financial support by the
                      Integrated Project "Real-SOFC" (SES6-CT-2003-502612). They
                      also thank Dr A. Mai, Forschungszentrum Julich (IEF-1),
                      Germany and Dr N. Kotsionopoulos, Department of Chemical
                      Engineering, University of Patras, Greece for the
                      preparation of the perovskite electrode as well as Dr V.
                      Drakopoulos, FORTH/ICE-HT, Greece for the SEM
                      characterization of the electrode.},
      abstract     = {The electrochemical characteristics of a
                      La0.8Sr0.2Co0.2Fe0.8O3 (- delta) cathode electrode
                      interfaced to the CGO layer of a double layer CGO/YSZ
                      electrolyte were studied using cyclic voltammetry, at
                      temperatures of 600 to 850 degrees C and under oxygen
                      partial pressures ranging from 0.07 to 21 kPa. The aim was
                      to identify the electrochemical processes taking place under
                      cathodic polarization on the basis of differences in the
                      features of the cyclic voltammograms with changing
                      conditions. Depending on temperature, sweep rate and oxygen
                      partial pressure, current peaks appeared both in the forward
                      and backward scans. Furthermore, reversed hysteresis was
                      observed, i.e. higher currents in the backward scan than in
                      the forward scan, with increasing oxygen partial pressure
                      and decreasing temperature. The observed behavior was
                      related to the electrochemical redox of B-sites and
                      concomitant stoichiometry change as well as to the competing
                      reaction of electrochemical oxygen redox, taking also into
                      account the competitive action of chemical reactions
                      occurring in the presence of gaseous oxygen. (C) 2011
                      Elsevier B.V. All rights reserved.},
      keywords     = {J (WoSType)},
      cin          = {IEK-1},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {Rationelle Energieumwandlung},
      pid          = {G:(DE-Juel1)FUEK402},
      shelfmark    = {Chemistry, Physical / Physics, Condensed Matter},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000295572000002},
      doi          = {10.1016/j.ssi.2011.06.007},
      url          = {https://juser.fz-juelich.de/record/18154},
}