Al2Pt for Oxygen Evolution in Water Splitting: a Strategy for Creating 
Multi-functionality in Electrocatalysis

Antonyshyn, Iryna; Barrios Jiménez, Ana M.; Sichevych, Olga; Burkhardt, Ulrich; Veremchuk, Igor; Schmidt, Marcus; Ormeci, Alim; Spanos, Ioannis; Tarasov, Andrey; Teschner, Detre; Algara-Siller, Gerardo; Schlögl, Robert; Grin, Yuri

doi:10.1002/anie.202005445

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Al₂Pt for Oxygen Evolution in Water Splitting: a Strategy for Creating Multi-functionality in Electrocatalysis

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Antonyshyn, Iryna
Iryna Antonyshyn, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons247972

Barrios Jiménez, Ana M.
Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126852

Sichevych, Olga
Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126556

Burkhardt, Ulrich
Ulrich Burkhardt, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126891

Veremchuk, Igor
Igor Veremchuk, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126835

Schmidt, Marcus
Marcus Schmidt, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126787

Ormeci, Alim
Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126626

Grin, Yuri
Juri Grin, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Antonyshyn, I., Barrios Jiménez, A. M., Sichevych, O., Burkhardt, U., Veremchuk, I., Schmidt, M., et al. (2020). Al₂Pt for Oxygen Evolution in Water Splitting: a Strategy for Creating Multi-functionality in Electrocatalysis. Angewandte Chemie International Edition, 1-7. doi:10.1002/anie.202005445.

Cite as: https://hdl.handle.net/21.11116/0000-0006-7C56-F

Abstract

The production of hydrogen via water electrolysis is feasible only if effective and stable catalysts for the oxygen evolution reaction (OER) are available. Intermetallic compounds with the well-defined crystal and electronic structures as well as particular chemical bonding features are suggested here to act as precursors for new composite materials with attractive catalytic properties. Al 2 Pt combines a characteristic inorganic crystal structure (anti-fluorite type) and a strongly polar chemical bonding with the advantage of elemental platinum in terms of stability against dissolution under OER conditions. We describe here the unforeseen performance of a surface nanocomposite architecture resulting from the self-organized transformation of the bulk intermetallic precursor Al 2 Pt in OER.