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Catalysts 2017, 7(5), 154; doi:10.3390/catal7050154

Perovskite Electrocatalysts for the Oxygen Reduction Reaction in Alkaline Media

Institute of Materials Physics, University of Goettingen, Friedrich-Hund Platz 1, 37077 Göttingen, Germany
Academic Editor: Yu-Chuan Lin
Received: 21 March 2017 / Revised: 28 April 2017 / Accepted: 10 May 2017 / Published: 13 May 2017
(This article belongs to the Special Issue (Photo)Electrochemistry of Perovskites)
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Abstract

Oxygen reduction is considered a key reaction for electrochemical energy conversion but slow kinetics hamper application in fuel cells and metal-air batteries. In this review, the prospect of perovskite oxides for the oxygen reduction reaction (ORR) in alkaline media is reviewed with respect to fundamental insight into activity and possible mechanisms. For gaining these insights, special emphasis is placed on highly crystalline perovskite films that have only recently become available for electrochemical interrogation. The prospects for applications are evaluated based on recent progress in the synthesis of perovskite nanoparticles. The review concludes with the current understanding of oxygen reduction on perovskite oxides and a perspective on opportunities for future fundamental and applied research. View Full-Text
Keywords: oxygen reduction reaction; structure–activity relationships; descriptors; perovskites; electrocatalysis; thin films; catalytic mechanisms; chemical properties; structural properties; magnetic properties oxygen reduction reaction; structure–activity relationships; descriptors; perovskites; electrocatalysis; thin films; catalytic mechanisms; chemical properties; structural properties; magnetic properties
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Risch, M. Perovskite Electrocatalysts for the Oxygen Reduction Reaction in Alkaline Media. Catalysts 2017, 7, 154.

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