Effect of TaOx Interlayer Prepared with Different Solvent on Microstructure and Properties of Ti/TaOx/IrO2-Ta2O5 Electrode

被引：0
作者：
Guo, Mingshuai [1 ,2 ]
Xin, Yonglei [2 ]
Xu, Likun [1 ,2 ]
Xue, Lili [1 ]
Duan, Tigang [2 ]
Zhao, Rongrong [2 ]
Zhou, Shuai [2 ]
Li, Li [1 ]
机构：
[1] Harbin Engn Univ, Coll Mat Sci & Chem Engn, Harbin 150001, Peoples R China
[2] Luoyang Ship Mat Res Inst, Natl Key Lab Marine Corros & Protect, Qingdao 266237, Peoples R China
来源：
ELECTROCATALYSIS | 2025年 / 16卷 / 03期
关键词：
Ti/; IrO2-Ta2O5; electrode; TaOx interlayer; FIB-TEM; Electrochemical property; ELECTROCHEMICAL PROPERTIES; DEGRADATION; ANODES;
D O I：
10.1007/s12678-024-00925-3
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The impact of TaOx interlayers prepared by thermal decomposition using different solvents (ethanol, n-butanol, ethylene glycol) on Ti/TaOx/IrO2-Ta2O5 electrodes has been investigated using analytical methods such as SEM, XRD, XPS, FIB-TEM, and electrochemical techniques. The results demonstrate that the synthesized TaOx interlayers are mainly composed of amorphous TaOx and a little of Ta2O5 crystallites with a thin TiOx sublayer on titanium substrate. The solvents affect the TaOx loadings and fractions of surface cracks due to the difference in viscosity. The Ti/TaOx/IrO2-Ta2O5 electrode with the interlayer prepared using ethylene glycol has the largest electrochemically active surface area and electrocatalytic activity for oxygen evolution reaction, while the electrode with the TaOx interlayer formed using n-butanol as solvent presents highest stability.
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收藏
页码：414 / 426
页数：13
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