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@ARTICLE{Kulikovsky:838292,
      author       = {Kulikovsky, Andrei},
      title        = {{A} {M}odel for {I}mpedance of a {PEM} {F}uel {C}ell
                      {C}athode with {P}oor {E}lectron {C}onductivity},
      journal      = {Journal of electroanalytical chemistry},
      volume       = {801},
      issn         = {1572-6657},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2017-06935},
      pages        = {122 - 128},
      year         = {2017},
      abstract     = {A model for impedance of the cathode catalyst layer (CCL)
                      with poor electronic conductivity σe is developed. In the
                      case of small cell current, an analytical expression for the
                      CCL impedance is derived. At small currents, finite σe
                      increases the static cell resistivity by the value 1/(3σe).
                      In addition, the CCL exhibits a pure ohmic resistivity,
                      which is equivalent to proton and electronic resistivities
                      connected in parallel. Finite σe distorts the shape of the
                      Nyquist spectrum in the HF domain; the CCL proton
                      conductivity σp can no longer be determined simply as a
                      projection of the straight HF line onto the real axis.
                      However, σp and σe can be found by fitting the model
                      equations to the experimental spectra},
      cin          = {IEK-3},
      ddc          = {540},
      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:000411847500018},
      doi          = {10.1016/j.jelechem.2017.07.038},
      url          = {https://juser.fz-juelich.de/record/838292},
}