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@ARTICLE{Ehelebe:894492,
      author       = {Ehelebe, Konrad and Escalera-López, Daniel and Cherevko,
                      Serhiy},
      title        = {{L}imitations of aqueous model systems in the stability
                      assessment of electrocatalysts for oxygen reactions in fuel
                      cell and electrolysers},
      journal      = {Current opinion in electrochemistry},
      volume       = {29},
      issn         = {2451-9103},
      address      = {Amsterdam},
      publisher    = {Elsevier},
      reportid     = {FZJ-2021-03254},
      pages        = {100832 -},
      year         = {2021},
      abstract     = {Cost and stability remain the greatest technical barriers
                      to sustainably commercialize low temperature fuel cells and
                      electrolysers. To tackle this problem, numerous advanced
                      electrocatalysts have been proposed and tested in aqueous
                      model systems. There are, however, increasing and evident
                      concerns regarding the value of stability data coming from
                      such studies. Hence, we anticipate that finding new
                      approaches to assess degradation will be a major undertaking
                      in the electrocatalysis research in the next years.
                      Specifically, existing differences between fundamental and
                      actual systems have to be addressed first: (a) electrode
                      architecture; (b) electrolyte; (c) reactant and product
                      transport; and (d) operating conditions. In this
                      perspective, we discuss their influence on the stability of
                      electrocatalysts using the challenging oxygen reduction and
                      oxygen evolution reactions as illustrative cases.},
      cin          = {IEK-11},
      ddc          = {621.3},
      cid          = {I:(DE-Juel1)IEK-11-20140314},
      pnm          = {1232 - Power-based Fuels and Chemicals (POF4-123)},
      pid          = {G:(DE-HGF)POF4-1232},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000704374600011},
      doi          = {10.1016/j.coelec.2021.100832},
      url          = {https://juser.fz-juelich.de/record/894492},
}