Accelerating oxygen surface exchange

Enhancing the oxygen exchange rate at the surface of oxides through rational design has long been a key goal of researchers pursuing sustainable energy solutions. Now, a simple infiltration method reveals that reaction rates on porous mixed-conducting oxides scale with the acidity of the infiltrate and can be tuned by orders of magnitude.

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Fig. 1: Schematic representation of the infiltration approach.


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Correspondence to Sossina M. Haile.

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Haile, S.M. Accelerating oxygen surface exchange. Nat Catal 3, 863–864 (2020).

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