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@ARTICLE{Chen:888293,
      author       = {Chen, Zhiqiang and Danilov, Dmitri and Eichel, Rüdiger-A.
                      and Notten, Peter H. L.},
      title        = {{O}n the reaction rate distribution in porous electrodes},
      journal      = {Electrochemistry communications},
      volume       = {121},
      issn         = {1388-2481},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2020-04819},
      pages        = {106865 -},
      year         = {2020},
      abstract     = {Reaction rate distribution across porous electrodes in
                      Li-ion battery applications largely determines the overall
                      battery performance. In the present work, expressions for
                      the reaction rate distribution across porous electrodes are
                      analytically derived and analyzed for small current and
                      short time applications. The dependency on the effective
                      ionic and electronic conductivities is systematically
                      investigated and discussed. It is found that in the case of
                      equal effective electronic and ionic conductivities, the
                      reaction rate distribution is symmetric around the electrode
                      mid-point. Small conductivities induce the charge-transfer
                      reaction to preferentially occur at the interface of the
                      current collector and separator, while high conductivities
                      make the reaction rate distribution uniform across the
                      electrode thickness. In the case of unequal conductivities,
                      a decrease in the effective electronic conductivity shifts
                      the reaction rate distribution towards the electrode/current
                      collector interface. In contrast, a decrease in the
                      effective ionic conductivity shifts the reaction rate
                      distribution towards the electrode/separator interface. It
                      is also found that the reaction rate distribution shows
                      saturating behavior when the effective electronic or ionic
                      conductivity grows infinitely. A further increase in the
                      effective ionic or electronic conductivity does not lead to
                      any further reaction rate distribution changes.},
      cin          = {IEK-9},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-9-20110218},
      pnm          = {135 - Fuel Cells (POF3-135)},
      pid          = {G:(DE-HGF)POF3-135},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000605594000014},
      doi          = {10.1016/j.elecom.2020.106865},
      url          = {https://juser.fz-juelich.de/record/888293},
}