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Electrolyte effects

Cations in alkaline hydrogen electrocatalysis

The composition of an electrolyte has a significant effect on electrocatalytic reaction rates and product selectivities. One mechanism by which spectator alkali cations can dictate reaction kinetics is now better understood.

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Fig. 1: Determining the role of near-surface cations in the alkaline HER.

Adapted from ref. 6, Springer Nature Ltd.


  1. Nørskov, J. K. et al. J. Electrochem. Soc. 152, J23 (2005).

    Article  Google Scholar 

  2. McCrum, I. T. & Koper, M. T. M. Nat. Energy 5, 891–899 (2020).

    Article  CAS  Google Scholar 

  3. Sheng, W., Gasteiger, H. A. & Shao-Horn, Y. J. Electrochem. Soc. 157, B1529 (2010).

    Article  CAS  Google Scholar 

  4. Huang, B. et al. JACS Au 1, 1674–1687 (2021).

    Article  CAS  Google Scholar 

  5. Singh, M. R., Kwon, Y., Lum, Y., Ager, J. W. III & Bell, A. T. J. Am. Chem. Soc. 138, 13006–13012 (2016).

    Article  CAS  Google Scholar 

  6. Shah, A. H. et al. Nat. Catal. (2022).

    Article  Google Scholar 

  7. Chen, X., McCrum, I. T., Schwarz, K. A., Janik, M. J. & Koper, M. T. M. Angew. Chem. 129, 15221–15225 (2017).

    Article  Google Scholar 

  8. Goyal, A. & Koper, M. T. M. Angew. Chem. Int. Ed. 60, 13452–13462 (2021).

    Article  CAS  Google Scholar 

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Correspondence to Ian T. McCrum.

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McCrum, I.T. Cations in alkaline hydrogen electrocatalysis. Nat Catal 5, 846–847 (2022).

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