Structural analyses of RuO2-TiO2/Ti and IrO2-RuO2-TiO2/Ti anodes used in industrial chlor-alkali membrane processes

被引：65
|
作者：
Takasu, Yoshio [1 ]
Sugimoto, Wataru [1 ]
Nishiki, Yoshinori [2 ]
Nakamatsu, Shuji [2 ]
机构：
[1] Shinshu Univ, Dept Mat & Chem Engn, Nagano 3868567, Japan
[2] Permelec Elect Ltd, Kanagawa 2520816, Japan
来源：
JOURNAL OF APPLIED ELECTROCHEMISTRY | 2010年 / 40卷 / 10期
关键词：
Iridium oxide; Ruthenium oxide; Titanium oxide; Anode; Chlorine evolution; BINARY OXIDE PARTICLES; OXYGEN EVOLUTION; SURFACE CHARACTERIZATION; RUTHENIUM; IRIDIUM; ELECTRODES; RUO2; MORPHOLOGY; CORROSION; AREA;
D O I：
10.1007/s10800-010-0137-3
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The morphology and composition of RuO2-TiO2/Ti and IrO2-RuO2-TiO2/Ti anodes, which have been used for the production of chlorine for more than 10 years, were analyzed by various methods; such as high-resolution scanning electron microscopy, high-resolution Auger electron spectroscopy, electron probe X-ray emission microanalysis and X-ray diffraction analysis. Drastic changes in the surface morphology, including partial exfoliation of a small amount of the oxide layer and a reduction in the content of ruthenium species through dissolution, were observed for the RuO2-TiO2/Ti anode. For the IrO2-RuO2-TiO2/Ti anode, on the other hand, there were moderate changes in the surface morphology and moderate dissolution of iridium and ruthenium species.
引用
收藏
页码：1789 / 1795
页数：7
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