ChemSusChem

Cover image for Vol. 10 Issue 19

Editor: David Smith; Editorial Board Chairs: Matthias Beller, Gabriele Centi, Licheng Sun

Impact Factor: 7.116

ISI Journal Citation Reports © Ranking: 2015: 2/29 (Subject); 20/163 (Chemistry Multidisciplinary)

Online ISSN: 1864-564X

Associated Title(s): Angewandte Chemie International Edition, Chemistry - A European Journal, Chemistry – An Asian Journal, ChemCatChem, ChemElectroChem, ChemPhysChem, Energy Technology

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October 18, 2017

VIP: Catalyst Stability Benchmarking for the Oxygen Evolution Reaction: The Importance of Backing Electrode Material and Dissolution in Accelerated Aging Studies

Simon Geiger, Dr. Olga Kasian, Andrea M. Mingers, Dr. Shannon S. Nicley, Prof. Dr. Ken Haenen, Prof. Dr. Karl J. J. Mayrhofer and Dr. Serhiy Cherevko

Catalyst Stability Benchmarking for the Oxygen Evolution Reaction: The Importance of Backing Electrode Material and Dissolution in Accelerated Aging Studies

Ir-black in back: Fast screening of the material intrinsic activity and stability profiles for acidic oxygen evolution reaction catalysts are of vital importance, but conclusions on the catalyst stability are commonly drawn on the basis of electrochemical information alone. Herein important limitations of such approaches, which are related to the degradation of the backing electrode material, are demonstrated. Ir-black catalysts are investigated for OER activity and the dissolution behavior is found to depend on the backing electrode material used.

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