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@ARTICLE{Sthler:866782,
      author       = {Stähler, Markus and Stähler, Andrea and Scheepers, Fabian
                      and Carmo, Marcelo and Lehnert, Werner and Stolten, Detlef},
      title        = {{I}mpacts of {P}orous {T}ransport {L}ayer {C}ompression on
                      {H}ydrogen {P}ermeation im {PEM} {W}ater {E}lectrolysis},
      journal      = {International journal of hydrogen energy},
      volume       = {45},
      number       = {7},
      issn         = {0360-3199},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2019-05848},
      pages        = {4008-4014},
      year         = {2020},
      abstract     = {Gas permeation through a membrane electrode assembly (MEA)
                      is an important issue in the development of polymer
                      electrolyte membrane (PEM) water electrolyzers, because it
                      can cause explosions and efficiency losses. The influence of
                      operating pressure, temperature and MEA modifications on the
                      permeation was already investigated. However, most of the
                      studies pay no attention to the compression of the porous
                      transport layer (PTL) of the MEA when assembling it in a
                      test cell to carry out the experiments.This paper deals with
                      the impact of the PTL compression on hydrogen permeation and
                      cell voltage. Polarization, impedance and permeation
                      measurements are used to demonstrate that the compression
                      significantly affects the MEA's properties. Measurements
                      show either a linear or nonlinear correlation between
                      current density and hydrogen permeation, depending on the
                      compression.The results indicate that the compression of the
                      PTL must be taken into account for developing MEAs and
                      comparing different permeation measurements.},
      cin          = {IEK-14 / IEK-3},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IEK-14-20191129 / I:(DE-Juel1)IEK-3-20101013},
      pnm          = {135 - Fuel Cells (POF3-135)},
      pid          = {G:(DE-HGF)POF3-135},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000514018600014},
      doi          = {10.1016/j.ijhydene.2019.12.016},
      url          = {https://juser.fz-juelich.de/record/866782},
}