Cyclic voltammetric generation and electrochemical quartz crystal microbalance characterization of passive layer of nickel in a weakly acid medium

被引：27

作者：

Vicente, F ^{[1
]}

Gregori, J ^{[1
]}

García-Jareño, JJ ^{[1
]}

Giménez-Romero, D ^{[1
]}

机构：

[1] Univ Valencia, Lab Electrochem, Dept Chem Phys, Burjassot 46100, Spain

来源：

JOURNAL OF SOLID STATE ELECTROCHEMISTRY | 2005年 / 9卷 / 10期

关键词：

nickel; anodic dissolution; passivation; electrochemical quartz crystal microbalance (EQCM);

D O I：

10.1007/s10008-004-0643-5

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The electrochemical quartz crystal microbalance results show that nickel electrodissolution and nickel passivation occur simultaneously. Besides, the anodic transferred charge decreases and the passive layer thickness increases with the number of successive voltammetric cycles. Mass balances across the metal/passive layer/solution have been done from the instantaneous F(dm/dQ) function. A dynamic process for generation of an inner NiO and a Ni(OH)(2) outer passive layers is suggested.

引用

页码：684 / 690

页数：7

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