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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.

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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). https://doi.org/10.1038/s41929-022-00858-4

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