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Showing 1–7 of 7 results
Advanced filters: Author: Erfan Shirzadi Clear advanced filters

  • Enhancing the kinetics and selectivity of CO2/CO electroreduction towards valuable multi-carbon products poses a scientific challenge and is imperative for practical applicability. Here the authors report that modifying copper catalysts with surface thiol ligands significantly improves acetate selectivity.

    • Erfan Shirzadi
    • Qiu Jin
    • Edward H. Sargent
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-11

  • Reactive capture—integrating CO2 capture and electrochemical valorization—improves energy efficiency by eliminating gas-phase CO2 desorption. Here, authors design a redox-active polymeric network to boost the direct conversion of captured CO2 to multicarbon products with CO2-free gas product stream.

    • Jinqiang Zhang
    • Yufei Cao
    • Edward H. Sargent
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-9

  • Acidic CO2 electroreduction is carbon efficient but suffers from low energy efficiency and selectivity. Here an interfacial cation matrix is developed to enrich alkali cations and increase the local pH at a Cu–Ag catalyst surface, improving efficiency. A 45% CO2-to-ethanol Faradaic efficiency and 15% energy efficiency for ethanol production are achieved.

    • Ali Shayesteh Zeraati
    • Feng Li
    • David Sinton
    Research
    Nature Synthesis
    Volume: 4, P: 75-83

  • Conventional alkaline and neutral CO2-to-CH4 systems suffer carbon loss, and recovering the lost carbon requires input energy exceeding the heating value of CH4. Here, the authors report a chelating strategy to obtain Cu-N/O single sites decorated Cu clusters, which enables energy- and carbon-efficient CH4 electroproduction in an acidic system.

    • Mengyang Fan
    • Rui Kai Miao
    • David Sinton
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-8

  • Oxygen reduction to hydrogen peroxide is a promising alternative to replace the energy-intensive anthraquinone process in industry. Now, the hydrogen peroxide electrosynthesis performance of a carbon-supported cobalt phthalocyanine catalyst is tuned via the introduction of oxygen functional groups to the support, which optimize the electronic structure of cobalt active sites.

    • Byoung-Hoon Lee
    • Heejong Shin
    • Edward H. Sargent
    Research
    Nature Catalysis
    Volume: 6, P: 234-243

  • Performing CO2 reduction in acidic conditions enables high CO2 utilization. Here, the authors report an electrodeposited Cu catalyst which achieves a 60% faradaic efficiency for ethylene and 90% for multicarbon products–both records for acidic CO2 reduction.

    • Yufei Cao
    • Zhu Chen
    • Edward H. Sargent
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-8

  • The direct electrosynthesis of acetic acid from CO2 typically has the drawback of CO2 crossover. Now, a cascade approach for the electroreduction of CO2 to CO, followed by CO to acetic acid, is reported in which off-target intermediates are destabilized, leading to an acetic acid Faradaic efficiency of 70%.

    • Roham Dorakhan
    • Ivan Grigioni
    • Edward H. Sargent
    Research
    Nature Synthesis
    Volume: 2, P: 448-457