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@ARTICLE{Graf:889925,
      author       = {Graf, Stefan and Redder, Florian and Bau, Uwe and de Lange,
                      Martijn and Kapteijn, Freek and Bardow, André},
      title        = {{T}oward {O}ptimal {M}etal–{O}rganic {F}rameworks for
                      {A}dsorption {C}hillers: {I}nsights from the {S}cale‐{U}p
                      of {MIL}‐101({C}r) and {NH} 2 ‐{MIL}‐125},
      journal      = {Energy technology},
      volume       = {8},
      number       = {1},
      issn         = {2194-4296},
      address      = {Weinheim [u.a.]},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2021-00533},
      pages        = {1900617 -},
      year         = {2020},
      abstract     = {The metal–organic frameworks (MOFs) MIL‐101(Cr) and
                      NH2‐MIL‐125 offer high adsorption capacities and have
                      therefore been suggested for sustainable energy conversion
                      in adsorption chillers. Herein, these MOFs are benchmarked
                      to commercial Siogel. The evaluation method combines
                      small‐scale experiments with dynamic modeling of
                      full‐scale adsorption chillers. For the common temperature
                      set 10/30/80 °C, it is found that MIL‐101(Cr) has the
                      highest adsorption capacity, but considerably lower
                      efficiency $(−19\%)$ and power density $(−66\%)$ than
                      Siogel. NH2‐MIL‐125 increases efficiency by $18\%$
                      compared with Siogel, but reduces the practically important
                      power density by $28\%.$ From the results, guidelines for
                      MOF development are derived: High efficiencies are achieved
                      by matching the shape of the isotherms to the specific
                      operating temperatures. By only adapting shape, efficiencies
                      are 1.5 times higher. Also, higher power density requires
                      matching the shape of the isotherms to create high driving
                      forces for heat and mass transfer. Second, if MOFs’ heat
                      and mass transfer coefficients could reach the level of
                      Siogel, their maximum power density would double. Thus,
                      development of MOFs should go beyond adsorption capacity,
                      and tune the structure to the application requirements. As a
                      result, MOFs could to serve as optimal adsorbents for
                      sustainable energy conversion.},
      cin          = {IEK-10},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IEK-10-20170217},
      pnm          = {899 - ohne Topic (POF3-899)},
      pid          = {G:(DE-HGF)POF3-899},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000491127100001},
      doi          = {10.1002/ente.201900617},
      url          = {https://juser.fz-juelich.de/record/889925},
}