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@ARTICLE{Koj:863506,
      author       = {Koj, Jan Christian and Wulf, Christina and Zapp, Petra},
      title        = {{E}nvironmental impacts of power-to-{X} systems - {A}
                      review of technological and methodological choices in {L}ife
                      {C}ycle {A}ssessments},
      journal      = {Renewable $\&$ sustainable energy reviews},
      volume       = {112},
      issn         = {1364-0321},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2019-03555},
      pages        = {865 - 879},
      year         = {2019},
      abstract     = {This paper presents a review of 32 Life Cycle Assessment
                      studies on Power-to-X. Due to their multiplicity, different
                      Power-to-X chains are compared and influencing factors on
                      environmental impacts are identified. Besides technological
                      specifications, methodological choices of the publications
                      are assessed. The majority of studies consider Power-to-Gas
                      or Power-to-Transport. Additionally, six publications assess
                      Power-to-Power, Power-to-Liquids or Power-to-Chemicals.
                      Climate change is the most analyzed environmental impact
                      category. Further impacts are assessed in 14 publications.
                      The electricity source and the methodological concept of
                      carbon dioxide consideration are crucial drivers of
                      environmental impacts. The review reveals a lack of
                      transparency on technological as well as on methodological
                      level. Specifications like the multi-functionality approach
                      used or in case of Power-to-Transport chains the life time
                      mileage of vehicles are missing in most publications and
                      hinder their comparability.},
      cin          = {IEK-STE},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IEK-STE-20101013},
      pnm          = {153 - Assessment of Energy Systems – Addressing Issues of
                      Energy Efficiency and Energy Security (POF3-153)},
      pid          = {G:(DE-HGF)POF3-153},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000474208400058},
      doi          = {10.1016/j.rser.2019.06.029},
      url          = {https://juser.fz-juelich.de/record/863506},
}