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@ARTICLE{Dittrich:864472,
      author       = {Dittrich, Lucy and Nohl, Markus and Jaekel, Esther E. and
                      Foit, Severin and de Haart, L. G. J. and Eichel,
                      Rüdiger-A.},
      title        = {{H}igh-{T}emperature {C}o-{E}lectrolysis: {A} {V}ersatile
                      {M}ethod to {S}ustainably {P}roduce {T}ailored {S}yngas
                      {C}ompositions},
      journal      = {Journal of the Electrochemical Society},
      volume       = {166},
      number       = {13},
      issn         = {0013-4651},
      address      = {Pennington, NJ},
      publisher    = {Electrochemical Soc.},
      reportid     = {FZJ-2019-04250},
      pages        = {F971 - F975},
      year         = {2019},
      abstract     = {High-temperature co-electrolysis of carbon dioxide and
                      steam is a promising method to produce ‘white’ syngas by
                      making use of renewable energy and carbon dioxide as
                      sustainable feedstock. The technological key advantage is
                      the possibility to tailor syngas compositions over a broad
                      range. This paper presents a systematic investigation of the
                      syngas tailoring process by establishing relationships
                      between feed gas compositions and flow rates to the syngas
                      ratio. A linear dependence between the H2O:CO2 ratio in the
                      feed gas and the H2:CO ratio in the output gas was observed.
                      Furthermore, the syngas ratio remains mostly invariant upon
                      variations in electrochemical potential and fluctuating gas
                      utilizations/flow rates during operation of a
                      co-electrolysis cell. Most importantly, the co-electrolysis
                      performance was demonstrated to operate at high current
                      densities of up to 3.2 A·cm−2 over a broad range of feed
                      gas compositions with faradaic efficiencies of nearly
                      $100\%.$ The possibility to operate co-electrolysis under
                      transient load conditions renders this method particularly
                      suitable in future scenarios of intermittent availability of
                      renewables. The results described here illustrate the
                      versatility of co-electrolysis, which can produce all
                      relevant syngas compositions in a single-step process at
                      constantly high performance.},
      cin          = {IEK-9},
      ddc          = {660},
      cid          = {I:(DE-Juel1)IEK-9-20110218},
      pnm          = {135 - Fuel Cells (POF3-135) / HITEC - Helmholtz
                      Interdisciplinary Doctoral Training in Energy and Climate
                      Research (HITEC) (HITEC-20170406)},
      pid          = {G:(DE-HGF)POF3-135 / G:(DE-Juel1)HITEC-20170406},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000482551900002},
      doi          = {10.1149/2.0581913jes},
      url          = {https://juser.fz-juelich.de/record/864472},
}