Electrochemical preparation of oxide materials for electrochemistry and electronics

被引：0
|
作者：
Petr Krtil
Masahiro Yoshimura
机构：
[1] Center for Materials Design,
[2] Tokyo Institute of Technology,undefined
[3] 4259 Nagatsuta,undefined
[4] Midori,undefined
[5] 226 Yokohama,undefined
[6] Japan,undefined
来源：
Journal of Solid State Electrochemistry | 1998年 / 2卷
关键词：
Cyclic Voltammetry; Alkaline Earth; Electrochemical Oxide; Model Case; Oxide Material;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Electrochemical formation of barium tungstate (BaWO4) was studied as a model case of electrochemical formation of an advanced oxide material for electronics. BaWO4 is formed on the surface of tungsten electrode during oxidation in alkaline media (pH > 12) containing a corresponding cation. The analysis of electrochemical as well as electrochemical quartz crystal microbalance (EQCM) data taken during these experiments identifies at least three qualitatively different steps composing the electrode process. Effects of the potential, applied current density and alkaline earth metal cation concentration are demonstrated using cyclic voltammetry and galvanostatic experiments. Specific constraints of the ECC formalism for the electrochemical oxide deposition following from the galvanostatic data are discussed.
引用
收藏
页码：321 / 327
页数：6
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