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Showing 1–7 of 7 results
Advanced filters: Author: Dmitry E. Doronkin Clear advanced filters

  • Cobalt-based catalysts are regarded as a potentially cheaper alternative to platinum and chromium systems for the non-oxidative dehydrogenation of propane, although they often feature lower performance. Now mixed-valence Co0/IIOx clusters supported on silicalite-1 are identified as a competitive system for this reaction.

    • Qiyang Zhang
    • Yuming Li
    • Evgenii V. Kondratenko
    ResearchOpen Access
    Nature Catalysis
    Volume: 9, P: 269-280

  • Promoters are able to modulate the performance of catalysts for a given process, but this can be done through various mechanisms. Here the role of Mn as a promoter on Fe-based catalysts for CO2 hydrogenation to olefins is comprehensively investigated via spectroscopic and kinetic analyses. The promoter induces a restructuring of the catalyst surface, balancing the strength of the adsorption of reactants and intermediates.

    • Qingxin Yang
    • Elizaveta A. Fedorova
    • Evgenii V. Kondratenko
    ResearchOpen Access
    Nature Catalysis
    Volume: 8, P: 595-606

  • Inexpensive iron catalysts often exhibit low activity in ammonia decomposition due to a strong iron-nitrogen binding energy. Here the authors demonstrate that combining iron with cobalt to form a Fe-Co bimetallic catalyst overcomes this limitation, presenting a promising solution for enhancing ammonia decomposition efficiency.

    • Shilong Chen
    • Jelena Jelic
    • Malte Behrens
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-11

  • Propene is obtained through propane dehydrogenation using catalysts that are toxic, expensive or demanding to regenerate with ecologically harmful compounds, but the ZnO-based alternative reported here is cheap, clean and scalable.

    • Dan Zhao
    • Xinxin Tian
    • Evgenii V. Kondratenko
    ResearchOpen Access
    Nature
    Volume: 599, P: 234-238

  • Obtaining spatially resolved spectroscopic information for catalysts under working conditions remains challenging. Here, an approach that combines X-ray absorption spectroscopy with microtomography is introduced and showcased for the selective catalytic reduction of NOx with ammonia over a Cu-SSZ-13 washcoated monolith catalyst.

    • Johannes Becher
    • Dario Ferreira Sanchez
    • Thomas L. Sheppard
    Research
    Nature Catalysis
    Volume: 4, P: 46-53