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@ARTICLE{MacArthur:1048104,
      author       = {MacArthur, Katherine E. and Gonçalves, Liliana P. L. and
                      Sousa, Juliana P. S. and Soares, O. Salomé G. P. and Kungl,
                      Hans and Jodat, Eva and Karl, André and Heggen, Marc and
                      Dunin-Borkowski, Rafal E. and Basak, Shibabrata and Eichel,
                      Rüdiger-A. and Kolen'ko, Yury V. and Pereira, M. Fernando
                      R.},
      title        = {{C}arbon-supported {N}i nanoparticles in {CO} 2
                      methanation: role of a superficial {N}i{O} shell observed by
                      in situ {TEM}},
      journal      = {Industrial chemistry $\&$ materials},
      volume       = {NA},
      issn         = {2755-2608},
      address      = {Cambridge},
      publisher    = {Royal Society of Chemistry},
      reportid     = {FZJ-2025-04496},
      pages        = {NA},
      year         = {2025},
      abstract     = {CO2 methanation offers a pathway to produce a
                      carbon-neutral methane fuel. Although a number of research
                      efforts have been conducted on this topic, a greater
                      understanding of the mechanism of the reaction, which is
                      still under debate, is needed. Here, using in situ
                      transmission electron microscopy, we provide direct insights
                      into the dynamics of a metallic nickel catalyst supported on
                      activated carbon during CO2 methanation. The keys to the
                      high performance of the catalyst are the in situ formation
                      and dynamic behavior of a Ni@NiO core@shell nanostructure.
                      Based on the detailed electron microscopy investigation, the
                      mechanism of such nanostructure formation during methanation
                      is proposed. Our studies revealed that the deactivation of
                      the catalyst is not due to the accumulation of carbon coke
                      over nickel nanoparticles, but an increase in the size of
                      the nickel nanoparticles that is responsible for the
                      deactivation of the catalyst over time.},
      cin          = {IET-1 / ER-C-1},
      ddc          = {670},
      cid          = {I:(DE-Juel1)IET-1-20110218 / I:(DE-Juel1)ER-C-1-20170209},
      pnm          = {1231 - Electrochemistry for Hydrogen (POF4-123)},
      pid          = {G:(DE-HGF)POF4-1231},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1039/D5IM00033E},
      url          = {https://juser.fz-juelich.de/record/1048104},
}