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@ARTICLE{Reshetenko:873912,
      author       = {Reshetenko, Tatyana and Kulikovsky, Andrei},
      title        = {{N}afion film transport properties in a low-{P}t {PEM} fuel
                      cell: impedance spectroscopy study},
      journal      = {RSC Advances},
      volume       = {9},
      number       = {66},
      issn         = {2046-2069},
      address      = {London},
      publisher    = {RSC Publishing},
      reportid     = {FZJ-2020-01097},
      pages        = {38797 - 38806},
      year         = {2019},
      abstract     = {Unexpected over-linear transport loss in low-Pt PEM fuel
                      cells has been a subject of numerous studies and discussions
                      in literature. Most of the authors agree that these losses
                      are due to oxygen transport in the Nafion film covering Pt/C
                      agglomerates in the cathode catalyst layer (CCL). We develop
                      a model for PEM fuel cell impedance, which takes into
                      account oxygen transport through the film. The model is
                      fitted to experimental impedance spectra of a low-Pt PEM
                      fuel cell. Fitting gives the film thickness in the range of
                      10 to 13 nm, and the film transport resistivity decreasing
                      from 1.2 s cm−1 to 0.2 s cm−1 as the cell current
                      density increases from 50 to 800 mA cm−2. Fitting returns
                      low value of the through-plane oxygen diffusivity in the
                      CCL, indicating that the low-Pt electrode is partially
                      flooded.},
      cin          = {IEK-14},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-14-20191129},
      pnm          = {135 - Fuel Cells (POF3-135)},
      pid          = {G:(DE-HGF)POF3-135},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000509401700051},
      doi          = {10.1039/C9RA07794D},
      url          = {https://juser.fz-juelich.de/record/873912},
}