Increasing Iridium Oxide Activity for the Oxygen Evolution Reaction with Hafnium Modification

2021 ◽  
Vol 143 (38) ◽  
pp. 15616-15623
Author(s):  
Fang Zhao ◽  
Bo Wen ◽  
Wenhan Niu ◽  
Zhu Chen ◽  
Chao Yan ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Iridium Oxide

scholarly journals Increased Ir–Ir Interaction in Iridium Oxide during the Oxygen Evolution Reaction at High Potentials Probed by Operando Spectroscopy

ACS Catalysis ◽  
2021 ◽  
pp. 10043-10057
Author(s):  
Steffen Czioska ◽  
Alexey Boubnov ◽  
Daniel Escalera-López ◽  
Janis Geppert ◽  
Alexandra Zagalskaya ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Iridium Oxide ◽  
Operando Spectroscopy ◽  
High Potentials

scholarly journals Recent advances in understanding oxygen evolution reaction mechanisms over iridium oxide

2021 ◽  
Author(s):  
Takahiro Naito ◽  
Tatsuya Shinagawa ◽  
Takeshi Nishimoto ◽  
Kazuhiro Takanabe
Keyword(s):  
Reaction Mechanism ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Reaction Mechanisms ◽  
State Of The Art ◽  
Iridium Oxide ◽  
The State ◽  
Computational Studies ◽  
Recent Advances ◽  
Iridium Oxides

Recent spectroscopic and computational studies concerning the oxygen evolution reaction over iridium oxides are reviewed to provide the state-of-the-art understanding of its reaction mechanism.

Towards a generic understanding of oxygen evolution reaction kinetics in polymer electrolyte water electrolysis

2020 ◽  
Vol 13 (7) ◽  
pp. 2153-2166 ◽  
Author(s):  
Tobias Schuler ◽  
Taro Kimura ◽  
Thomas J. Schmidt ◽  
Felix N. Büchi
Keyword(s):  
Reaction Kinetics ◽  
Kinetic Parameters ◽  
Polymer Electrolyte ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Reaction Order ◽  
Water Electrolysis ◽  
Iridium Oxide

The reaction order of water and the electro-kinetic parameters are determined for the oxygen evolution reaction on iridium oxide.

Efficient oxygen evolution on mesoporous IrOx nanosheets

2019 ◽  
Vol 9 (14) ◽  
pp. 3697-3702 ◽  
Author(s):  
Bo Jiang ◽  
Jeonghun Kim ◽  
Yanna Guo ◽  
Kevin C. W. Wu ◽  
Saad M. Alshehri ◽  
...  
Keyword(s):  
High Activity ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Iridium Oxide ◽  
Ph Values

Amorphous iridium oxide (IrOx) is a promising catalyst that has high activity in the oxygen evolution reaction (OER) over a broad range of pH values.

Electroless deposition of iridium oxide nanoparticles promoted by condensation of [Ir(OH)6]2− on an anodized Au surface: application to electrocatalysis of the oxygen evolution reaction

RSC Advances ◽  
2015 ◽  
Vol 5 (5) ◽  
pp. 3196-3199 ◽  
Author(s):  
P. Esakki Karthik ◽  
K. Alagar Raja ◽  
S. Senthil Kumar ◽  
K. L. N. Phani ◽  
Yuping Liu ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Electrocatalytic Activity ◽  
Electroless Deposition ◽  
High Reactivity ◽  
Iridium Oxide ◽  
Oxide Nanoparticles ◽  
Surface Application

High reactivity of anodized gold allows electroless deposition of active IrOx nanoparticles. With its highly stable electrocatalytic activity for OER, the method is the simplest yet developed.

scholarly journals Exploiting the Flexibility of the Pyrochlore Composition for Acid-Resilient Iridium Oxide Electrocatalysts in Proton Exchange Membranes

2021 ◽  
Author(s):  
David Burnett ◽  
Enrico Petrucco ◽  
Reza Jalili Kashtiban ◽  
Stewart F Parker ◽  
Jonathan Sharman ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Proton Exchange Membranes ◽  
Iridium Oxide ◽  
Proton Exchange ◽  
Pyrochlore Oxides

Iridate pyrochlore oxides (Na,Ca)2-x(Ir2-yMy)O6·nH2O (M = Sb, Zr, Ru, Rh) are studied as resilient electrocatalysts for the oxygen evolution reaction under acid conditions. The materials crystallise from aqueous solution under...

The Controlled Preparation of Ordered Iridium Oxide Nanotubes Arrays for Oxygen Evolution Reaction

2020 ◽  
Vol MA2020-01 (37) ◽  
pp. 1547-1547
Author(s):  
Zhuoxin Lu ◽  
Yan Shi ◽  
Zhida Wang ◽  
Changqing Guo ◽  
Hongyi Tan ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Iridium Oxide ◽  
Controlled Preparation

Surface morphology controls water dissociation on hydrated IrO2 nanoparticles

Nanoscale ◽  
2021 ◽  
Author(s):  
Danilo González ◽  
Mariona Sodupe ◽  
Luis Rodríguez-Santiago ◽  
Xavier Solans-Monfort
Keyword(s):  
Surface Morphology ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Metal Content ◽  
Large Scale ◽  
Iridium Oxide ◽  
Water Dissociation ◽  
Efficient Catalyst ◽  
Highly Efficient ◽  
Small Nanoparticles

Iridium oxide is a highly efficient catalyst for the oxygen evolution reaction, whose large-scale application requires decreasing the metal content. This is achieved using small nanoparticles. The knowledge of the...

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