Exploring well-defined TiO 2 nanotube arrays for enhancing SnO 2-Sb-Nd-Pt electrode performance

被引：0
|
作者：
Li, Yang [1 ,2 ]
Ma, Hairun [1 ]
Xie, Wenyu [2 ]
Liang, Jiahao [2 ]
Li, Min [1 ]
Guo, Shaohui [1 ]
Yan, Guangxu [1 ]
机构：
[1] China Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
[2] Guangdong Univ Petrochem Technol, Coll Environm Sci & Engn, Technol Res Ctr Petrochem Pollut Control Guangdong, Maoming 525000, Peoples R China
来源：
JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2024年 / 967卷
关键词：
TiO2-NTs arrays; Two-step anodizing method; SnO2-Sb-Nd-Pt; Electrocatalysis; Stability; ELECTROCHEMICAL PROPERTIES; PHOTOCATALYTIC ACTIVITY; ANNEALING TEMPERATURE; TIO2-NTS ARRAY; ANATASE TIO2; ASPECT-RATIO; TITANIUM; ANODIZATION; DEGRADATION; FABRICATION;
D O I：
10.1016/j.jelechem.2024.118447
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The short service life and low catalytic activity of electrodes are the major bottlenecks limiting the practical applications of current electrocatalytic oxidation technology in wastewater treatment. In this study, a novel Ti/ SnO 2 -Sb-Nd-Pt electrode loading TiO 2 nanotube (TiO 2 -NTs) array was proposed and prepared. The optimized TiO 2 nanotube (TiO 2 -NTs) arrays provided abundant anchoring sites for SnO 2 -Sb-Nd-Pt active coating and improved the bonding strength between the Ti matrix and the SnO 2 -Sb-Nd-Pt active coating as a mediator, as a result, higher electrocatalytic performance and stability. The nitrobenzene (NB) removal and service life were significantly higher in Ti/TiO 2 -NTs/SnO 2 -Sb-Nd-Pt (91.08 % and 4381.9 days) when compared to Ti/SnO 2 -Sb- Nd-Pt (80.61 % and 1151.2 days). In addition, the outstanding electrocatalytic performance of Ti/TiO 2 -NTs/ SnO 2 -Sb-Nd-Pt with an oxygen evolution potential of 2.03 V and total voltametric charge of 5.88 mC cm -2 makes it a promising candidate for future industrial applications. These findings will lay a solid foundation for broadening the applications of well-defined TiO 2 -NTs arrays prepared via the two-step anodization.
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页数：12
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