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Identification and elimination of false positives in electrochemical nitrogen reduction studies

Author

Listed:
  • Jaecheol Choi

    (Monash University
    Monash University)

  • Bryan H. R. Suryanto

    (Monash University)

  • Dabin Wang

    (Monash University)

  • Hoang-Long Du

    (Monash University
    Monash University)

  • Rebecca Y. Hodgetts

    (Monash University
    Monash University)

  • Federico M. Ferrero Vallana

    (Monash University)

  • Douglas R. MacFarlane

    (Monash University
    Monash University)

  • Alexandr N. Simonov

    (Monash University
    Monash University)

Abstract

Ammonia is of emerging interest as a liquefied, renewable-energy-sourced energy carrier for global use in the future. Electrochemical reduction of N2 (NRR) is widely recognised as an alternative to the traditional Haber–Bosch production process for ammonia. However, though the challenges of NRR experiments have become better understood, the reported rates are often too low to be convincing that reduction of the highly unreactive N2 molecule has actually been achieved. This perspective critically reassesses a wide range of the NRR reports, describes experimental case studies of potential origins of false-positives, and presents an updated, simplified experimental protocol dealing with the recently emerging issues.

Suggested Citation

  • Jaecheol Choi & Bryan H. R. Suryanto & Dabin Wang & Hoang-Long Du & Rebecca Y. Hodgetts & Federico M. Ferrero Vallana & Douglas R. MacFarlane & Alexandr N. Simonov, 2020. "Identification and elimination of false positives in electrochemical nitrogen reduction studies," Nature Communications, Nature, vol. 11(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-19130-z
    DOI: 10.1038/s41467-020-19130-z
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    Cited by:

    1. Wahyu Prasetyo Utomo & Hao Wu & Yun Hau Ng, 2022. "Quantification Methodology of Ammonia Produced from Electrocatalytic and Photocatalytic Nitrogen/Nitrate Reduction," Energies, MDPI, vol. 16(1), pages 1-22, December.
    2. Wenhui He & Jian Zhang & Stefan Dieckhöfer & Swapnil Varhade & Ann Cathrin Brix & Anna Lielpetere & Sabine Seisel & João R. C. Junqueira & Wolfgang Schuhmann, 2022. "Splicing the active phases of copper/cobalt-based catalysts achieves high-rate tandem electroreduction of nitrate to ammonia," Nature Communications, Nature, vol. 13(1), pages 1-13, December.
    3. Xianbiao Fu & Aoni Xu & Jakob B. Pedersen & Shaofeng Li & Rokas Sažinas & Yuanyuan Zhou & Suzanne Z. Andersen & Mattia Saccoccio & Niklas H. Deissler & Jon Bjarke Valbæk Mygind & Jakob Kibsgaard & Pet, 2024. "Phenol as proton shuttle and buffer for lithium-mediated ammonia electrosynthesis," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    4. Rao, Xufeng & Liu, Minmin & Chien, Meifang & Inoue, Chihiro & Zhang, Jiujun & Liu, Yuyu, 2022. "Recent progress in noble metal electrocatalysts for nitrogen-to-ammonia conversion," Renewable and Sustainable Energy Reviews, Elsevier, vol. 168(C).
    5. Po-Wei Huang & Marta C. Hatzell, 2022. "Prospects and good experimental practices for photocatalytic ammonia synthesis," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
    6. Eamonn Murphy & Yuanchao Liu & Ivana Matanovic & Martina Rüscher & Ying Huang & Alvin Ly & Shengyuan Guo & Wenjie Zang & Xingxu Yan & Andrea Martini & Janis Timoshenko & Beatriz Roldán Cuenya & Iryna , 2023. "Elucidating electrochemical nitrate and nitrite reduction over atomically-dispersed transition metal sites," Nature Communications, Nature, vol. 14(1), pages 1-15, December.

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