摘要
利用三角波电位扫描伏安法研究了铁电极在室温1mol/L KOH 溶液中的电化学行为。在正向扫描中产生3个阳极峰,分别对应于 Fe(OH)_2和 FeOOH的形成,它们在逆向扫描中顺序还原为 Fe(OH)_2和 Fe。温度对钝化过程有明显影响,交流阻抗谱证实了钝化膜的存在。
The electrochemical behaviours of iron electrode in 1mol/E KOH sol- utions have been studied at ambient temperature by triangular potential sweep voltammetry.Three anodic peaks were detected in the anodic scan, forming Fe(OH)_2 and FeOOH respectively and they were subsequently reduced to Fe(OH)_2 and Fe in the cathodic scan.The great influence of temperature on the passive process has been observed Impedance spectrum showed that the film was existed in the passivated potential regions.
出处
《山东大学学报（自然科学版）》
CSCD
1990年第4期494-501,共8页
Journal of Shandong University(Natural Science Edition)
基金
中国科学院腐蚀科学开放实验室项目
