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@ARTICLE{Bick:824445,
      author       = {Bick, D. S. and Kindsmüller, A. and Staikov, G. and
                      Gunkel, F. and Müller, D. and Schneller, T. and Waser, R.
                      and Valov, Ilia},
      title        = {{S}tability and {D}egradation of {P}erovskite
                      {E}lectrocatalysts for {O}xygen {E}volution {R}eaction},
      journal      = {Electrochimica acta},
      volume       = {218},
      issn         = {0013-4686},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2016-07034},
      pages        = {156 - 162},
      year         = {2016},
      abstract     = {Pr0.2Ba0.8CoO3-δ (PBCO) and Ba0.5Sr0.5Co0.5Fe0.5O3-δ
                      (BSCF) perovskite thin film electrodes were used as model
                      systems for testing degradation and stability during oxygen
                      evolution reaction (OER) in alkaline water electrolysis. The
                      catalyst films were prepared by chemical solution deposition
                      (CSD) and are binder-free. Stepwise aging experiments
                      illustrate a systematical approach to different degrees of
                      degradation of the perovskites after defined testing cycles
                      of cyclic voltammetry in application-near conditions. XPS
                      and EDX characterization at each aging step enables a
                      monitoring of the change in chemical composition during
                      degradation. XPS analysis points to a change in the defect
                      chemistry of PBCO during degradation. The influence of all
                      monitored parameters on the overall electrode service
                      lifetime is shown in a novel end of service life test (ESLT)
                      at thin film perovskite electrodes of 100 nm thickness.},
      cin          = {PGI-6 / PGI-7},
      ddc          = {540},
      cid          = {I:(DE-Juel1)PGI-6-20110106 / I:(DE-Juel1)PGI-7-20110106},
      pnm          = {521 - Controlling Electron Charge-Based Phenomena
                      (POF3-521)},
      pid          = {G:(DE-HGF)POF3-521},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000385840100021},
      doi          = {10.1016/j.electacta.2016.09.116},
      url          = {https://juser.fz-juelich.de/record/824445},
}