ELECTRICAL-PROPERTIES OF THE BARRIER LAYER SOLUTION INTERFACE AND ITS ROLE DURING BREAKDOWN OF ANODIC BISMUTH OXIDE-FILMS

被引:11
作者
KANAZIRSKI, I [1 ]
BOJINOV, M [1 ]
GIRGINOV, A [1 ]
机构
[1] BULGARIAN ACAD SCI,CENT LAB ELECTROCHEM POWER SOURCES,BU-1113 SOFIA,BULGARIA
关键词
BARRIER LAYER SOLUTION INTERFACE; ELECTRICAL PROPERTIES; BISMUTH ELECTRODE; PHOTOCONDUCTIVITY; FILM BREAKDOWN;
D O I
10.1016/0013-4686(93)85006-K
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
The electric breakdown of anodic films on Bi in H3PO4 solutions was investigated using conventional galvanostatic and potentiostatic oxidation, as well as ac impedance, photocurrent and electrolyte conductivity measurements. A surface charges approach is advanced in order to explain both galvanostatic and potentiostatic breakdown phenomena and their relation with the ionic and electronic conduction of anodic oxide films. Proofs for the model are searched for in the experimental results obtained.
引用
收藏
页码:511 / 517
页数:7
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