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@ARTICLE{Durmus:844257,
      author       = {Durmus, Yasin Emre and Montiel Guerrero, Saul Said and
                      Aslanbas, Özgür and Tempel, Hermann and Hausen, Florian
                      and de Haart, L.G.J. and Ein-Eli, Yair and Eichel,
                      Rüdiger-A. and Kungl, Hans},
      title        = {{I}nvestigation of the corrosion behavior of highly
                      {A}s-doped crystalline {S}i in alkaline {S}i–air
                      batteries},
      journal      = {Electrochimica acta},
      volume       = {265},
      issn         = {0013-4686},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2018-01698},
      pages        = {292 - 302},
      year         = {2018},
      abstract     = {High corrosion rate is one of the major obstacles that have
                      to be overcome in order to establish practical application
                      of primary alkaline Si–air batteries. At the current state
                      of development the theoretical specific capacity of 3820
                      mAh/g is reduced to 120 mAh/g in long term operable alkaline
                      Si–air batteries, with most of the capacity losses being
                      due to corrosion reactions. In the present work the
                      corrosion behavior of highly As-doped <100> oriented silicon
                      wafers, that have proved stable performance as anode
                      materials is summarized for a scope of conditions that may
                      arise in battery operation. More specific, corrosion rates
                      are presented and discussed with respect to (i) time
                      dependence, (ii) influence of KOH electrolyte concentration,
                      (iii) chemical vs. electrochemical corrosion, and (iv)
                      corrosion under anodic potentials as present during the
                      discharge of batteries. Corrosion rates were found to
                      exhibit stable time profiles for immersion times longer than
                      8 h. With respect to concentration dependence, three
                      ranges of KOH concentrations were identified. Within each
                      range, the corrosion behavior is governed by similar
                      mechanisms, but different limiting factors. Potentiodynamic
                      measurements show that large part of the corrosion is
                      chemical in nature. Under discharge conditions corrosion
                      increases whereby the discharge potential, corrosion rates,
                      and mass conversion efficiencies depend on KOH
                      concentrations and discharge current densities.},
      cin          = {IEK-9},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-9-20110218},
      pnm          = {131 - Electrochemical Storage (POF3-131) / HITEC -
                      Helmholtz Interdisciplinary Doctoral Training in Energy and
                      Climate Research (HITEC) (HITEC-20170406)},
      pid          = {G:(DE-HGF)POF3-131 / G:(DE-Juel1)HITEC-20170406},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000425751600034},
      doi          = {10.1016/j.electacta.2018.01.145},
      url          = {https://juser.fz-juelich.de/record/844257},
}