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@ARTICLE{Schnebaum:893351,
      author       = {Schönebaum, Simon and Dornseiffer, Jürgen and Mauermann,
                      Peter and Wolkenar, Bernd and Sterlepper, Stefan and Wessel,
                      Egbert and Iskandar, Riza and Mayer, Joachim and Weirich,
                      Thomas E. and Pischinger, Stefan and Guillon, Olivier and
                      Simon, Ulrich},
      title        = {{C}omposition/{P}erformance {E}valuation of {L}ean {NO}x
                      {T}rap {C}atalysts for {C}oupling with {SCR} {T}echnology},
      journal      = {ChemCatChem},
      volume       = {13},
      number       = {7},
      issn         = {1867-3899},
      address      = {Weinheim},
      publisher    = {WILEY-VCH Verlag},
      reportid     = {FZJ-2021-02703},
      pages        = {1787 - 1805},
      year         = {2021},
      abstract     = {The washcoat composition and the catalytic properties of
                      two commercially available lean NOx traps (LNTs) were
                      investigated. Both catalysts contained nominally the same
                      NOx storage and catalytic materials but differed strongly in
                      their amount and activity as well as in the composition of
                      their layered washcoat architecture. In lean-rich cycle
                      experiments under realistic engine-out gas compositions
                      using a laboratory gas test bench, the LNTs showed
                      comparable NOx storage behavior. At temperatures below
                      250 °C, the lean phase durations last up to 300 s until
                      $50 \%$ of the NOx storage capacity is reached. The
                      simultaneously calculated NOx storage efficiencies drop
                      rapidly below $35 \%,$ resulting in a high NOx slip.
                      Strong variations were observed in N2O and NH3 selectivity
                      and in CO slip during regeneration of both LNTs caused by
                      the different oxygen storage capacity (OSC), water gas shift
                      (WGS) activity and rhodium distribution in the catalytic
                      layers. Based on the obtained results, proposals were made
                      to optimize the storage and regeneration performance,
                      leading to highly efficient LNT catalysts for coupling with
                      a downstream SCR catalyst.},
      cin          = {IEK-1 / IEK-2 / ER-C-2},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IEK-1-20101013 / I:(DE-Juel1)IEK-2-20101013 /
                      I:(DE-Juel1)ER-C-2-20170209},
      pnm          = {1232 - Power-based Fuels and Chemicals (POF4-123)},
      pid          = {G:(DE-HGF)POF4-1232},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000617000400001},
      doi          = {10.1002/cctc.202001761},
      url          = {https://juser.fz-juelich.de/record/893351},
}