Understanding the activity and stability of oxygen-evolving anodes is crucial for developing better water splitting electrolysers. Researchers now show the importance of interactions between iron and hydr(oxy)oxide hosts in dynamically-stable electrocatalysts that balance dissolution and deposition of iron present in the electrolyte.
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Diaz-Morales, O. Impurity as a virtue. Nat Energy 5, 193–194 (2020). https://doi.org/10.1038/s41560-020-0585-x
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DOI: https://doi.org/10.1038/s41560-020-0585-x