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@ARTICLE{Qui:834291,
      author       = {Qui, Diankai and Peng, Linfa and Yi, Peiyun and Lai, Xinmin
                      and Janssen, Holger and Lehnert, Werner},
      title        = {{C}ontact {B}ehavior {M}odeling and its {S}ize {E}ffect on
                      {P}roton {E}xchange {M}embrane {F}uel {C}ell},
      journal      = {Journal of power sources},
      volume       = {365},
      issn         = {0378-7753},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2017-04273},
      pages        = {190 - 200},
      year         = {2017},
      abstract     = {Contact behavior between the gas diffusion layer (GDL) and
                      bipolar plate (BPP) is of significant importance for proton
                      exchange membrane fuel cells. Most current studies on
                      contact behavior utilize experiments and finite element
                      modelling and focus on fuel cells with graphite BPPs, which
                      lead to high costs and huge computational requirements. The
                      objective of this work is to build a more effective
                      analytical method for contact behavior in fuel cells and
                      investigate the size effect resulting from configuration
                      alteration of channel and rib (channel/rib). Firstly, a
                      mathematical description of channel/rib geometry is outlined
                      in accordance with the fabrication of metallic BPP. Based on
                      the interface deformation characteristic and Winkler surface
                      model, contact pressure between BPP and GDL is then
                      calculated to predict contact resistance and GDL porosity as
                      evaluative parameters of contact behavior. Then, experiments
                      on BPP fabrication and contact resistance measurement are
                      conducted to validate the model. The measured results
                      demonstrate an obvious dependence on channel/rib size.
                      Feasibility of the model used in graphite fuel cells is also
                      discussed. Finally, size factor is proposed for evaluating
                      the rule of size effect. Significant increase occurs in
                      contact resistance and porosity for higher size factor, in
                      which channel/rib width decrease.},
      cin          = {IEK-3},
      ddc          = {620},
      cid          = {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:000412379200024},
      doi          = {10.1016/j.jpowsour.2017.08.088},
      url          = {https://juser.fz-juelich.de/record/834291},
}