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@ARTICLE{Panchenko:860146,
      author       = {Panchenko, Olha and Giesenberg, Lennard and Borgardt, Elena
                      and Zwaygardt, Walter and Kardjilov, Nikolay and Markötter,
                      Henning and Arlt, Tobias and Manke, Ingo and Müller, Martin
                      and Lehnert, Werner and Stolten, Detlef},
      title        = {{I}nfluence of {S}toichiometry on the {T}wo-{P}hase {F}low
                      {B}ehavior of {P}roton {E}xchange {M}embrane
                      {E}lectrolyzers},
      journal      = {Energies},
      volume       = {12},
      number       = {3},
      issn         = {1996-1073},
      address      = {Basel},
      publisher    = {MDPI},
      reportid     = {FZJ-2019-00932},
      pages        = {350 -},
      year         = {2019},
      abstract     = {In order for electrolysis cells to operate optimally, mass
                      transport must be improved. The key initial component for
                      optimal operation is the current collector, which is also
                      essential for mass transport. Water as an educt of the
                      reaction must be evenly distributed by the current collector
                      to the membrane electrode assembly. As products of the
                      reaction, hydrogen and oxygen must also be directed quickly
                      and efficiently through the current collector into the
                      channel and removed from the cell. The second key component
                      is the stoichiometry, which includes the current density and
                      water volume flow rate and represents the ratio between the
                      water supplied and water consumed. This study presents the
                      correlation of the stoichiometry, two-phase flow in the
                      channel and gas fraction in the porous transport layer for
                      the first time. The gas-water ratio in the channel and
                      porous transport layer during cell operation with various
                      stoichiometries was investigated by means of a model in the
                      form of an ex situ cell without electrochemical processes.
                      Bubble formation in the channel was observed using a
                      transparent cell. The gas-water exchange in the porous
                      transport layer was then investigated using neutron
                      radiography.},
      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:000460666200018},
      doi          = {10.3390/en12030350},
      url          = {https://juser.fz-juelich.de/record/860146},
}