Rhenium Suppresses Iridium (IV) Oxide Crystallization and Enables Efficient, Stable Electrochemical Water Oxidation

Review Chemistry, Multidisciplinary

On the Durability of Iridium-Based Electrocatalysts toward the Oxygen Evolution Reaction under Acid Environment

Liaona She et al.

Summary: This review summarizes the recent research progress on tackling the stability issues of Ir-based OER electrocatalysts in acid media, aiming to provide inspiration for designing highly active and stable Ir-based electrocatalysts.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Physical

Realizing Negatively Charged Metal Atoms through Controllable d-Electron Transfer in Ternary Ir1-xRhxSb Intermetallic Alloy for Hydrogen Evolution Reaction

Zhiping Lin et al.

Summary: Alloying noble metals with non-noble metals is a promising method to fabricate catalysts, and electron-abundant Ir/Rh sites in Ir1-xRhxSb alloys show outstanding activity for the hydrogen evolution reaction (HER).

ADVANCED ENERGY MATERIALS (2022)

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Article Chemistry, Applied

Pollen-like self-supported FeIr alloy for improved hydrogen evolution reaction in acid electrolyte

Shengyu Ma et al.

Summary: In this study, self-supported FeIr alloy nanoparticles were prepared using solid-state synthesis method, with a novel pollen morphology consisting of smaller FeIr nanoparticles for more adequate adsorption of active H species. The FeIr alloy nanoparticles exhibited superior hydrogen evolution reaction performance in 0.5 M H2SO4, better than pure Ir and Pt/C.

JOURNAL OF ENERGY CHEMISTRY (2022)

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Article Nanoscience & Nanotechnology

Achieving Active and Stable Amorphous IrVOxOHy for Water Splitting

Cheng-Long Ma et al.

Summary: This study evaluates the structural and electronic-state characteristics of long-range disordered amorphous iridium-based oxides and their performance in oxygen evolution reaction (OER). It demonstrates that the ultrahigh OER performance in acidic media is driven by the more d-hole-containing electronic state of Ir-V created by cationic vacancies. Moreover, the high edge-shared [IrOx]-[IrOx] motif proportion structure achieves a stable OER process similar to IrO2.

ACS APPLIED MATERIALS & INTERFACES (2022)

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Article Engineering, Environmental

Rhenium oxide/sulfide binary phase flakes decorated on nanofiber support for enhanced activation of electrochemical conversion reactions

Ga-Yoon Kim et al.

Summary: This study examines the synthesis and application potential of heterogeneous rhenium oxide and sulfide nanostructures as electrocatalysts in various electrochemical half-cell reactions. The study demonstrates that the phase composition of the catalyst can be tuned by temperature, optimizing its catalytic activities for hydrogen evolution and oxygen reduction reactions. The research provides a basis for developing efficient catalyst alternatives for sustainable energy conversion and storage systems.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Chemistry, Physical

Highly active and stable amorphous IrOx/CeO2 nanowires for acidic oxygen evolution

Wangyan Gou et al.

Summary: This study reports on the development of amorphous IrOx/CeO2 nanowires as highly active and acid-stable oxygen evolution reaction (OER) catalysts. The catalysts exhibit high mass activity and stability under acidic conditions, and the improved OER activity and stability are attributed to the regulation of oxygen intermediates, lowered activation barrier, and suppression of over-oxidation and dissolution of Ir through the intimate nanoscale structure of IrOx/CeO2.

NANO ENERGY (2022)

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Article Chemistry, Multidisciplinary

IrO2-Stablized La2IrO6 perovskite nanotubes via corner-shared interconnections as highly-efficient oxygen evolution electrocatalysts

Yuwei Jin et al.

Summary: One-dimensional nanotube heterostructures with IrO2-stabilized La2IrO6 are obtained by an electrospinning approach. The La2IrO6/IrO2 catalyst exhibits superior catalytic activity and strong stability for the oxygen evolution reaction, demonstrating the synergistic cooperation between the two types of Ir as the active sites.

CHEMICAL COMMUNICATIONS (2022)

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Article Materials Science, Multidisciplinary

Direct growth of single crystalline ReO3 nanorods on a tungsten (W) microwire for enhanced electron-transfer reaction kinetics

Yejin Ha et al.

Summary: Highly single crystalline ReO3 nanorods were directly grown on a tungsten microwire electrode via physical vapor transport process without any catalyst. Electrochemical experiments demonstrated good capacitance and Nernstian behavior, indicating a promising electrode material for electrochemical applications.

CURRENT APPLIED PHYSICS (2021)

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Article Chemistry, Physical

Regulating Electron Redistribution of Intermetallic Iridium Oxide by Incorporating Ru for Efficient Acidic Water Oxidation

Jing He et al.

Summary: The incorporation of Ru into IrOx to synthesize Ru1Ir1Ox has shown to significantly reduce the overpotential for oxygen evolution reaction (OER) and improve stability, thereby enhancing the performance of OER under acidic conditions.

ADVANCED ENERGY MATERIALS (2021)

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Article Chemistry, Multidisciplinary

In Situ Reconstruction of V-Doped Ni2P Pre-Catalysts with Tunable Electronic Structures for Water Oxidation

Tingwen Zhao et al.

Summary: This study reports on the in-situ structural reconstruction of V-doped Ni2P pre-catalyst to form highly active NiV oxyhydroxides for oxygen evolution reaction (OER), showing enhanced kinetics for the adsorption of *OH and deprotonation of *OOH intermediates. Raman spectroscopy and X-ray absorption spectroscopy demonstrate that the increased content of the active beta-NiOOH phase contributes to OER activity enhancement. Density functional theory calculations verify that the V dopants facilitate the generation of *O intermediates during OER.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Review Chemistry, Multidisciplinary

Recent Development of Oxygen Evolution Electrocatalysts in Acidic Environment

Li An et al.

Summary: The review focuses on understanding the oxygen evolution reaction (OER) mechanisms in acid, analyzing strategies to enhance activity and stability, and summarizing state-of-the-art catalysts for OER. Prevailing OER mechanisms are reviewed for designing efficient electrocatalysts, approaches to improve activity are discussed, and factors affecting catalyst stability are analyzed. Noble-metal-based OER catalysts and non-noble-metal-based catalysts progress are reviewed, and challenges and perspectives for developing active and robust OER catalysts in acid are discussed.

ADVANCED MATERIALS (2021)

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Article Multidisciplinary Sciences

IrW nanochannel support enabling ultrastable electrocatalytic oxygen evolution at 2Acm-2 in acidic media

Rui Li et al.

Summary: This study presents a support-stabilized catalyst for proton exchange membrane electrolyzers, which balances high activity and stability in oxygen evolution reaction. By altering the charge distribution and size of surface clusters, the catalyst achieves both stability and high activity.

NATURE COMMUNICATIONS (2021)

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Article Multidisciplinary Sciences

Modifying redox properties and local bonding of Co3O4 by CeO2 enhances oxygen evolution catalysis in acid

Jinzhen Huang et al.

Summary: Developing efficient and stable earth-abundant electrocatalysts for acidic oxygen evolution reaction is challenging. Here, the authors modify the local bonding environment of Co3O4 by CeO2 nanocrystallites to regulate the redox properties, thus enhance the catalytic activity.

NATURE COMMUNICATIONS (2021)

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Article Multidisciplinary Sciences

The origin of the high electrochemical activity of pseudo-amorphous iridium oxides

Marine Elmaalouf et al.

Summary: The study demonstrates that short-range ordering is the key factor driving activity independently of the initial oxidation state and composition of the calcined iridium oxides. By producing iridium-based mixed oxides, the electronic processes can be decoupled from the structural transformation, allowing for higher electrochemical activity.

NATURE COMMUNICATIONS (2021)

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Article Materials Science, Multidisciplinary

Boron-doped amorphous iridium oxide with ultrahigh mass activity for acidic oxygen evolution reaction

Zifang Cheng et al.

Summary: Researchers successfully prepared boron-doped amorphous iridium oxide catalyst with ultra-high OER mass activity, demonstrating the effectiveness of boric acid in enhancing the activity of iridium catalysts. The reported strategy is universal and can be applied to improve other metal oxide catalysts, indicating a versatile approach for creating high-performance electro-catalysts for various applications.

SCIENCE CHINA-MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Deciphering the alternating synergy between interlayer Pt single-atom and NiFe layered double hydroxide for overall water splitting

Wei Chen et al.

Summary: This study presents a novel approach to anchor Pt single-atoms into layered double hydroxide, deciphering the synergy between Pt single-atoms and Ni3Fe LDH support during water splitting. Operando electrochemical impedance spectroscopy is used to distinguish interface charge transport and reactions during the hydrogen and oxygen evolution processes, unveiling the mechanisms of Pt single-atoms and LDH support in catalytic reactions.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

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Review Chemistry, Physical

Electronic modulation and interface engineering of electrospun nanomaterials-based electrocatalysts toward water splitting

Wei Song et al.

Summary: This review focuses on the recent progress of electrospun nanomaterials-based electrocatalysts for water splitting, particularly in terms of hydrogen evolution reaction (HER), oxygen evolution reaction (OER), and overall water splitting reaction. The influence of electronic modulation and interface engineering on the electrocatalytic activities of these catalysts is deeply discussed, highlighting their potential for practical energy conversion and the challenges faced in their development.

CARBON ENERGY (2021)

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Article Chemistry, Multidisciplinary

NaBH4-reduction induced tunable oxygen vacancies in LaNiO2.7 to enhance the oxygen evolution reaction

Yuwei Jin et al.

Summary: Tunable oxygen vacancies of LaNiO3 (LNO-Vo) were achieved through theoretical prediction and NaBH4-reduction approach, resulting in the superior catalytic activity and long-term stability of LNO2.7 catalyst for water oxidation. Direct evidence of the active site center and the intermediates was observed through in situ Raman spectra and DFT calculations.

CHEMICAL COMMUNICATIONS (2021)

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Article Chemistry, Physical

Strong Electronic Coupling between Ultrafine Iridium-Ruthenium Nanoclusters and Conductive, Acid-Stable Tellurium Nanoparticle Support for Efficient and Durable Oxygen Evolution in Acidic and Neutral Media

Junyuan Xu et al.

ACS CATALYSIS (2020)

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Article Chemistry, Multidisciplinary

Operando Identification of the Dynamic Behavior of Oxygen Vacancy-Rich Co3O4 for Oxygen Evolution Reaction

Zhaohui Xiao et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

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Article Chemistry, Multidisciplinary

Hexagonal Boron Nitride as a Multifunctional Support for Engineering Efficient Electrocatalysts toward the Oxygen Reduction Reaction

Yaping Chen et al.

NANO LETTERS (2020)

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Article Chemistry, Physical

Electrocatalysts for acidic oxygen evolution reaction: Achievements and perspectives

Zhijie Chen et al.

NANO ENERGY (2020)

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Article Chemistry, Physical

Iridium-based nanomaterials for electrochemical water splitting

Zhijie Chen et al.

NANO ENERGY (2020)

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Article Chemistry, Multidisciplinary

Dopant-Assisted Control of the Crystallite Domain Size in Hollow Ternary Iridium Alloy Octahedral Nanocages toward the Oxygen Evolution Reaction

Taehyun Kwon et al.

CELL REPORTS PHYSICAL SCIENCE (2020)

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Review Chemistry, Multidisciplinary

A review on fundamentals for designing oxygen evolution electrocatalysts

Jiajia Song et al.

CHEMICAL SOCIETY REVIEWS (2020)

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Article Chemistry, Multidisciplinary

Breaking Long-Range Order in Iridium Oxide by Alkali Ion for Efficient Water Oxidation

Jiajian Gao et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

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Article Chemistry, Physical

3D nanoporous iridium-based alloy microwires for efficient oxygen evolution in acidic media

Yang Zhao et al.

NANO ENERGY (2019)

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Article Chemistry, Physical

Iridium-Chromium Oxide Nanowires as Highly Performed OER Catalysts in Acidic Media

Wangyan Gou et al.

CHEMCATCHEM (2019)

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Article Chemistry, Multidisciplinary

Electronic Structure Evolution in Tricomponent Metal Phosphides with Reduced Activation Energy for Efficient Electrocatalytic Oxygen Evolution

Miao Wang et al.

SMALL (2018)

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Article Chemistry, Multidisciplinary

Iridium-Tungsten Alloy Nanodendrites as pH-Universal Water-Splitting Electrocatalysts

Fan Lv et al.

ACS CENTRAL SCIENCE (2018)

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Article Chemistry, Physical

The stability number as a metric for electrocatalyst stability benchmarking

Simon Geiger et al.

NATURE CATALYSIS (2018)

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Article Energy & Fuels

Activation of surface oxygen sites on an iridium-based model catalyst for the oxygen evolution reaction

Alexis Grimaud et al.

NATURE ENERGY (2017)

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Article Chemistry, Physical

IrO2-TiO2: A High-Surface-Area, Active, and Stable Electrocatalyst for the Oxygen Evolution Reaction

Emma Oakton et al.

ACS CATALYSIS (2017)

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Review Materials Science, Multidisciplinary

An overview of rhenium effect in single-crystal superalloys

Ming Huang et al.

RARE METALS (2016)

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Article Chemistry, Physical

The electronic structure of iridium and its oxides

Verena Pfeifer et al.

SURFACE AND INTERFACE ANALYSIS (2016)

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Article Multidisciplinary Sciences

A highly active and stable IrOx/SrIrO3 catalyst for the oxygen evolution reaction

Linsey C. Seitz et al.

SCIENCE (2016)

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Article Chemistry, Physical

Probing the Structure of a Water-Oxidizing Anodic Iridium Oxide Catalyst using Raman Spectroscopy

Zoran Pavlovic et al.

ACS CATALYSIS (2016)

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Review Chemistry, Multidisciplinary

Design of electrocatalysts for oxygen- and hydrogen-involving energy conversion reactions

Yan Jiao et al.

CHEMICAL SOCIETY REVIEWS (2015)

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Article Electrochemistry

Electrocatalysis of the hydrogen evolution reaction by rhenium oxides electrodeposited by pulsed-current

Alejandro Vargas-Uscategui et al.

ELECTROCHIMICA ACTA (2015)

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Article Chemistry, Multidisciplinary

Benchmarking Hydrogen Evolving Reaction and Oxygen Evolving Reaction Electrocatalysts for Solar Water Splitting Devices

Charles C. L. McCrory et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2015)

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Article Chemistry, Physical

RuO2-ReO3 composite nanofibers for efficient electrocatalytic responses

Yu Lim Kim et al.

PHYSICAL CHEMISTRY CHEMICAL PHYSICS (2015)

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Article Chemistry, Multidisciplinary

An efficiently tuned d-orbital occupation of IrO2 by doping with Cu for enhancing the oxygen evolution reaction activity

Wei Sun et al.

CHEMICAL SCIENCE (2015)

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Article Chemistry, Multidisciplinary

Synergistically enhanced activity of graphene quantum dot/multi-walled carbon nanotube composites as metal-free catalysts for oxygen reduction reaction

Xuemei Zhou et al.

NANOSCALE (2014)

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Article Physics, Condensed Matter

Disorder-induced Raman scattering in rhenium trioxide (ReO3)

J. Purans et al.

JOURNAL OF PHYSICS-CONDENSED MATTER (2007)

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Article Chemistry, Multidisciplinary

In situ FTIR studies of primary intermediates of photocatalytic reactions on nanocrystalline TiO2 films in contact with aqueous solutions

R Nakamura et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2003)

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Rhenium Suppresses Iridium (IV) Oxide Crystallization and Enables Efficient, Stable Electrochemical Water Oxidation

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