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Oxygen-reduction catalysts

Picking perovskites

The search for efficient oxygen reduction catalysts made from perovskite oxides rather than expensive precious metals is hindered by the sheer range of these oxides — where should the search begin? Developing design rules that can identify the best candidates is the first step towards a more targeted strategy.

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Figure 1: The mechanism for oxygen reduction proposed by Shao-Horn and colleagues3.

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Correspondence to Robert F. Savinell.

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Savinell, R. Picking perovskites. Nature Chem 3, 501–502 (2011). https://doi.org/10.1038/nchem.1083

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