Polarization behaviour and lifetime of IrO2-Ta2O5-SnO2/Ti anodes in p-phenolsulfonic acid solutions for tin plating

被引：44
|
作者：
Morimitsu, M [1 ]
Tamura, H
Matsunaga, M
Otogawa, R
机构：
[1] Kyushu Inst Technol, Dept Appl Chem, Kitakyushu, Fukuoka 8048550, Japan
[2] Daiso Co Ltd, Fine Chem Dept, Amagasaki, Hyogo 6600842, Japan
来源：
JOURNAL OF APPLIED ELECTROCHEMISTRY | 2000年 / 30卷 / 04期
关键词：
durability improvement; electrotinning line; IrO2-Ta2O5-SnO2/Ti anodes; p-phenolsulfonic acid bath;
D O I：
10.1023/A:1003977928651
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The anodic polarization behavior and lifetime for oxygen evolution of IrO2-Ta2O5-SnO2/Ti anodes in a p-phenolsulfonic acid (PSA) solution was investigated. The oxygen overpotential of the IrO2-Ta2O5-SnO2/Ti anode was less positive potential than that of the IrO2-Ta2O5/Ti anode, although the oxygen overpotentials of both anodes were almost identical in the solution without PSA. The enhanced durability of the IrO2-Ta2O5-SnO2/Ti anode was attributed to the complete oxidizing of PSA promoted by SnO2 on anode, which resulted in the suppression of growth of the organic film originating from the PSA.
引用
收藏
页码：511 / +
页数：12
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