Back Cover: MnxOy/NC and CoxOy/NC Nanoparticles Embedded in a Nitrogen-Doped Carbon Matrix for High-Performance Bifunctional Oxygen Electrodes (Angew. Chem. Int. Ed. 32/2014)

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Abstract

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Dual function oxygen-reduction and oxygen-evolution catalysts are vital for the realization of rechargeable metal–air batteries and unitized regenerative fuel-cell systems. In their Communication on page 8508 ff., W. Schuhmann, M. Muhler et al. report exceptionally active bifunctional catalysts for oxygen-reduction and -evolution based on Co, Mn, and Ni oxides embedded in nitrogen-doped carbon, which outperform archetypical Pt, Ir, and Ru-based catalysts.

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