ELECTROCHEMICAL STUDY ON DISSOLTION MECHANISM OF COPPER ANODE IN THE ACTIVE REGION

J Chin Soc Corr Pro

1999, Vol. 19

Issue (1): 27-32 DOI:

Research Report

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ELECTROCHEMICAL STUDY ON DISSOLTION MECHANISM OF COPPER ANODE IN THE ACTIVE REGION

Haibo Xv;;

洛阳船舶材料研究所青岛分部

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Abstract To understand the application of copper for anti-fouling the dissolution mechanism of copper was investigated in 3% NaCl solution by means of potentiodynamic polarization and electrochemical impedance spectroscopy as well as cyclic voltammetry.Copper in active region dissolved in the form of CuCl2- complex,and the rate of dissolution was controlled by its diffusion from the copper surface to the bulk of the solution.The kinetics mechanism of copper dissolution in active region was suggested.The galvanostatic experiments showed that copper was electrolyxed and than transferred to the surface to be protected against fouling in the form of cuprous species,and that the divergent reaction of cuprous ions to cupric ions had not been found.

Key words: copper anticathode electrolysis seawater anti-fouling electrochemistry

Received: 25 December 1997

Corresponding Authors: Haibo Xv

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Haibo Xv. ELECTROCHEMICAL STUDY ON DISSOLTION MECHANISM OF COPPER ANODE IN THE ACTIVE REGION. J Chin Soc Corr Pro, 1999, 19(1): 27-32 .

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y1999/V19/I1/27

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