A novel highly active nanostructured IrO 2 /Ti anode for water oxidation

Shan, Rui; Zhang, Zichen; Kan, Miao; Zhang, Taiyang; Qu, Zan; Zhao, Yixin

doi:10.1016/j.ijhydene.2015.04.071

Cited by 57 publications

(11 citation statements)

References 22 publications

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“…This conclusion was confirmed by Tafel curves showed by Figure 3c. The highest slope of PbO 2 -Ti agreed with the best electrochemical performance and most active site ratio compared with the other anodes [22].…”

Section: D5mentioning

confidence: 70%

“…Titanium (Ti) was extensively employed as a support material for DSA due to its high conductivity and relatively low price [20]. The surface of Ti was typically coated with noble metal oxides (PbO 2 , SnO 2 doped with Sb) to increase the electro-catalytic properties and reduce the energy consumption [21,22]. In EF process, organic pollutants could be degraded by •OH according to Eq.…”

Section: Introductionmentioning

confidence: 99%

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Efficient rhodamine B degradation using electro‐fenton process with PbO₂‐coated titanium as the anode

Tian

Yang

et al. 2018

Env Prog and Sustain Energy

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To replace the high cost Pt anode, Ti based PbO2 electrode (PbO2‐Ti) and Ti based SnO2 doped with Sb electrode (SnO2/Sb‐Ti) were fabricated and compared for treating 0.1 mM Rhodamine B (RhB) in Electro‐Fenton (EF) process. Scanning electron microscopy, energy dispersive X‐ray, X‐ray diffraction spectrometry were carried out to study the surface morphology, element composition, and substance composition of the anodes (PbO2‐Ti and SnO2/Sb‐Ti). Linear Sweep Voltammetry, cyclic voltammetry, Tafel, and electrochemical impedance spectroscopy were conducted to examine the electrochemical properties of the anodes (Pt, PbO2‐Ti, SnO2/Sb‐Ti, and Ti). These assessments showed that PbO2‐Ti had the best performance. Then, the influence of varied parameters (pH, types of anodes, current density, and electrolyte) were explored. Almost complete decolorization (99.01%) was reached at pH 3, current density 50 A/m2, 0.05 M Na2SO4 using PbO2‐Ti as the anode after 20 min electrolysis. Under these conditions, 90.48% of total organic carbon was removed after 180 min. Finally, the durability of PbO2‐Ti was evaluated via accelerated service life test and exhibited long service lifetime (∼4000 h). © 2018 American Institute of Chemical Engineers Environ Prog, 38: 189–197, 2019

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Section: D5mentioning

confidence: 70%

Section: Introductionmentioning

confidence: 99%

Efficient rhodamine B degradation using electro‐fenton process with PbO₂‐coated titanium as the anode

Tian

Yang

et al. 2018

Env Prog and Sustain Energy

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“…Notably, these terms are technically different from each other and cannot be used interchangeably in most cases. Thus, some technically uncontrolled terms have been reclassified in this Section for clarity [64][65][66][67][68] .…”

Section: Thermal Dry Processmentioning

confidence: 99%

Iridium oxide fabrication and application: A review

Jang

Lee

2020

Journal of Energy Chemistry

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“…These are composed of electrocatalytic active metal oxides on inert and stable substrates [2], replacing precious metals in their bulk form, which are no longer used in industrial applications [2,3]. IrO 2 is known to be the state-of-the-art catalyst for OER, as it requires low overpotential for OER and provides good corrosion resistance and stability in acidic solutions [4]. In order to prolong IrO 2 lifetime titanium is commonly used as a substrate, because it is a chemically inert and inexpensive support material [1].…”

Section: Introductionmentioning

confidence: 99%

Oxygen Evolution Reaction at IrO2/Ir(Ni) Film Electrodes Prepared by Galvanic Replacement and Anodization: Effect of Precursor Ni Film Thickness

et al. 2019

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IrO2/Ir(Ni) film electrodes of variable Ni content have been prepared via a galvanic replacement method, whereby surface layers of pre-deposited Ni are replaced by Ir, followed by electrochemical anodization. Electrodeposition of Ni on a glassy carbon electrode support has been carried out at constant potential and the charge of electrodeposited Ni controlled so as to investigate the effect of precursor Ni layer thickness on the electrocatalytic activity of the corresponding IrO2/Ir(Ni)/GC electrodes for the oxygen evolution reaction (OER). After their preparation, these electrodes were characterized by microscopic (SEM) and spectroscopic (EDS, XPS) techniques, revealing the formation of Ir deposits on the Ni support and a thin IrO2 layer on their surfaces. To determine the electroactive surface area of the IrO2 coatings, cyclic voltammograms were recorded in the potential range between hydrogen and oxygen evolution and the charge under the anodic part of the curves, corresponding to Ir surface oxide formation, served as an indicator of the quantity of active IrO2 in the film. The electrocatalytic activity of the coatings for OER was investigated by current–potential curves under steady state conditions, revealing that the catalysts prepared from thinner Ni films exhibited enhanced electrocatalytic performance.

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A novel highly active nanostructured IrO 2 /Ti anode for water oxidation

Cited by 57 publications

References 22 publications

Efficient rhodamine B degradation using electro‐fenton process with PbO₂‐coated titanium as the anode

Efficient rhodamine B degradation using electro‐fenton process with PbO₂‐coated titanium as the anode

Iridium oxide fabrication and application: A review

Oxygen Evolution Reaction at IrO2/Ir(Ni) Film Electrodes Prepared by Galvanic Replacement and Anodization: Effect of Precursor Ni Film Thickness

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A novel highly active nanostructured IrO 2 /Ti anode for water oxidation

Cited by 57 publications

References 22 publications

Efficient rhodamine B degradation using electro‐fenton process with PbO2‐coated titanium as the anode

Efficient rhodamine B degradation using electro‐fenton process with PbO2‐coated titanium as the anode

Iridium oxide fabrication and application: A review

Oxygen Evolution Reaction at IrO2/Ir(Ni) Film Electrodes Prepared by Galvanic Replacement and Anodization: Effect of Precursor Ni Film Thickness

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Efficient rhodamine B degradation using electro‐fenton process with PbO₂‐coated titanium as the anode

Efficient rhodamine B degradation using electro‐fenton process with PbO₂‐coated titanium as the anode