Increased Ir–Ir interaction in iridium oxide during the oxygen evolution reaction at high potentials probed by operando spectroscopy

S Czioska, A Boubnov, D Escalera-López… - ACS …, 2021 - ACS Publications
The structure of IrO2 during the oxygen evolution reaction (OER) was studied by operando X-
ray absorption spectroscopy (XAS) at the Ir L3-edge to gain insight into the processes that …

Activated chemical bonds in nanoporous and amorphous iridium oxides favor low overpotential for oxygen evolution reaction

S Lee, YJ Lee, G Lee, A Soon - Nature communications, 2022 - nature.com
To date, the search for active, selective, and stable electrocatalysts for the oxygen evolution
reaction (OER) has not ceased and a detailed atomic-level design of the OER catalyst …

Materials Screening by the Descriptor Gmax(η): The Free-Energy Span Model in Electrocatalysis

S Razzaq, KS Exner - ACS catalysis, 2023 - ACS Publications
To move from fossil-based energy resources to a society based on renewables, electrode
materials free of precious noble metals are required to efficiently catalyze electrochemical …

The Ir–OOOO–Ir transition state and the mechanism of the oxygen evolution reaction on IrO 2 (110)

T Binninger, ML Doublet - Energy & Environmental Science, 2022 - pubs.rsc.org
Carefully assessing the energetics along the pathway of the oxygen evolution reaction
(OER), our computational study reveals that the “classical” OER mechanism on the (110) …

Controlling dynamic reconstruction chemistry for superior oxygen-evolving catalysts

J Wang - Chem, 2023 - cell.com
Catalyst reconstruction redefines the in-situ-formed active species that are dynamically
interacting with reactants and electrolytes, thus determining the catalytic activity and stability …

Low-dimensional non-metal catalysts: principles for regulating p-orbital-dominated reactivity

S Zhou, W Pei, Y Zhao, X Yang, N Liu… - npj Computational …, 2021 - nature.com
Activation of p-block elements to replace the rare and precious transition metals for
renewable energy applications is highly desirable. In this review, we go over recent …

Microkinetic analysis of the oxygen evolution performance at different stages of iridium oxide degradation

J Geppert, P Röse, S Czioska… - Journal of the …, 2022 - ACS Publications
The microkinetics of the electrocatalytic oxygen evolution reaction substantially determines
the performance in proton-exchange membrane water electrolysis. State-of-the-art …

Functional group scission-induced lattice strain in chiral macromolecular metal-organic framework arrays for electrocatalytic overall water splitting

Y Chen, J Wang, Z Yu, Y Hou, R Jiang, M Wang… - Applied Catalysis B …, 2022 - Elsevier
Electrocatalytic overall water splitting (OWS) to produce hydrogen and oxygen is one of the
most advantageous ways to match the carbon-neutral concept in sustainable hydrogen …

Design of iron oxyhydroxide nanosheets coated on Co species embedded in nanoporous carbon for oxygen evolution reaction

D Han, L Hao, Y Wang, Y Gao, J Yan… - Journal of Colloid and …, 2023 - Elsevier
There is still a tremendous challenge in designing environmentally friendly oxygen evolution
reaction (OER) catalysts that are inexpensive and high-performing for practical applications …

Why the breaking of the OOH versus OH scaling relation might cause decreased electrocatalytic activity

KS Exner - Chem Catalysis, 2021 - cell.com
In the last decade, tremendous efforts have been dedicated to the breaking of the OOH
versus OH scaling relation, which is recognized as the bottleneck for electrocatalysts in the …