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Water splitting

Passing the acid test

Water-oxidation catalysts that are fast and efficient in strong acid are rare even though there are several benefits for systems working at low pH. Such catalysts usually feature expensive noble metals such as ruthenium and iridum; however, an electrocatalytic system that is exceptionally efficient and based on cobalt has now been developed.

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Figure 1: The structure of the cobalt-based polyoxometalate and the electrochemical water oxidation performance of its barium salt (Ba[Co-POM]).

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Correspondence to Qiushi Yin or Craig L. Hill.

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Yin, Q., Hill, C. Passing the acid test. Nature Chem 10, 6–7 (2018). https://doi.org/10.1038/nchem.2921

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