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Showing 1–9 of 9 results
Advanced filters: Author: Adam C. Nielander Clear advanced filters

  • Copper catalysts are widely studied for electrochemical CO2 conversion, but their structural changes during reactions require further investigation. Here the authors propose that Cu undergoes transformation through alkali cation-induced cathodic corrosion when exposed to sufficiently negative potentials in the presence of alkali cations in the electrolyte.

    • Shikai Liu
    • Yuheng Li
    • Qian He
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-14

  • The production of ammonia via the Haber–Bosch process is carbon-intensive and centralized, but electrochemical methods such as lithium-mediated processes in organic electrolytes could enable decentralized production using renewable energy. Calcium is now shown to mediate nitrogen reduction for ammonia synthesis.

    • Xianbiao Fu
    • Valerie A. Niemann
    • Ib Chorkendorff
    Research
    Nature Materials
    Volume: 23, P: 101-107

  • The roughness factor of an electrode has been generally used to increase total rates of production, though rarely as a means to improve selectivity. Now, Jaramillo, Hahn and co-workers direct the selectivity of CO reduction to multicarbon oxygenates at low overpotentials by increasing the roughness factor of nanostructured Cu electrodes.

    • Lei Wang
    • Stephanie Nitopi
    • Thomas F. Jaramillo
    Research
    Nature Catalysis
    Volume: 2, P: 702-708

  • Bipolar ion-exchange membranes are a class of charged polymers that enable precise control of ionic fluxes and local pH, making them potentially valuable for many energy and environmental applications. This Review focuses on the fundamental physics underpinning their operation across multiple scales, from nanomorphology to integration within devices such as in bipolar-membrane electrodialysis (BPM-ED).

    • Justin C. Bui
    • Eric W. Lees
    • Adam Z. Weber
    Reviews
    Nature Chemical Engineering
    Volume: 1, P: 45-60

  • This Comment highlights the importance of Faradaic efficiency reporting and discusses methods for reliable measurements of Faradaic efficiency in the electrocatalysis field.

    • Paul A. Kempler
    • Adam C. Nielander
    Comments & OpinionOpen Access
    Nature Communications
    Volume: 14, P: 1-4

  • The absolute position of band edges is widely considered an indispensable design principle for selection of appropriate semiconductors for a given photo(electro)catalytic reaction. In this Perspective, the authors re-examine this idea from a viewpoint of semiconductor physics and make the case that alignment of band edges with chemical redox potentials is of limited importance.

    • Aaron J. Kaufman
    • Adam C. Nielander
    • Shannon W. Boettcher
    Reviews
    Nature Catalysis
    Volume: 7, P: 615-623