Increased activity in hydrogen evolution electrocatalysis for partial anionic substitution in cobalt oxysulfide nanoparticles

Andrew Nelson, Kevin Fritz, Shreyas Honrao, Richard G. Hennig, Richard D. Robinson, Jin Suntivich

Journal of Materials Chemistry A · 2016 · 38 citations · 78 references

Concepts

Abstract

Metastable CoO<sub>x</sub>S<sub>y</sub> electrocatalysts for the hydrogen evolution reaction were prepared by anion exchange. Lightly doped CoO<sub>x</sub>S<sub>0.18</sub> is 2–3 times more active than either end-member of the substitution series due to optimized H adsorption energy.

References

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