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@ARTICLE{Paciok:825808,
      author       = {Paciok, Paul and Schalenbach, Maximilian and Carmo, Marcelo
                      and Lüke, Wiebke and Stolten, Detlef},
      title        = {{O}n the mobility of carbon-supported platinum
                      nanoparticles towards unveiling cathode degradation in water
                      electrolysis},
      journal      = {Journal of power sources},
      volume       = {365},
      issn         = {0378-7753},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2017-00110},
      pages        = {53 - 60},
      year         = {2017},
      abstract     = {This study investigates the influence of the hydrogen
                      evolution reaction (HER) overpotential on the mobility of
                      carbon-supported platinum particles. The migration of the
                      platinum over the carbon support was analyzed by means of
                      identical location transmission electron microscopy
                      (IL-TEM). While at potentials of 0.1 and 0 V vs. reversible
                      hydrogen electrode (RHE), no changes to the Pt/C material
                      were observed. With a decrease of the overpotential to
                      −0.1 V vs. RHE, an increase in the quantity of migrating
                      platinum particles took place. At −0.2 V vs. RHE, a
                      further rise in the particle migration was observed. The
                      effect of the overpotential on the migration was explained
                      by a higher hydrogen generation rate, the formation of a
                      hydrogen monolayer on the platinum and the resulting changes
                      of the platinum support distance. The mechanisms revealed in
                      this study could describe a relevant source of degradation
                      of PEM water electrolyzers.},
      cin          = {IEK-3},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IEK-3-20101013},
      pnm          = {134 - Electrolysis and Hydrogen (POF3-134)},
      pid          = {G:(DE-HGF)POF3-134},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000412379200008},
      doi          = {10.1016/j.jpowsour.2017.07.033},
      url          = {https://juser.fz-juelich.de/record/825808},
}