Study of the Effect of Cerium on Reducing the Resistance of the Anodic Pb(II) Oxides Film Formed in Sulfuric Acid Solution

Acta Chimica Sinica ›› 2002, Vol. 60 ›› Issue (4): 643-646. Previous Articles Next Articles

Original Articles

铈降低在硫酸溶液中生长的阳极Pb(II)氧化物膜的电阻的研究

柳厚田;张新华;杨炯;杨春晓;周伟舫

复理大学化学系.上海(200433)

发布日期:2002-04-15

Study of the Effect of Cerium on Reducing the Resistance of the Anodic Pb(II) Oxides Film Formed in Sulfuric Acid Solution

Liu Houtian;Zhang Xinhua;Yang Jiong;Yang Chunxiao;Zhou Weifang

Department of Chemistry, Fudan University.Shanghai(200433)

Published:2002-04-15

Abstract

The anodic Pb(II) oxides film formed on Pb-1%(at.)Ce and Pb electrodes at 0.9 V (vs. Hg/Hg_2SO_4 electrode) in 4.5 mol·dm~(-3) H_2SO_4 solution were studied using the electrochemical impedance spectroscopy, linear sweep voltammetry and photocurrent method. The experimental results show that the addition of cerium into lead metal inhibits the growth of the anodic Pb(II) oxides film and reduces its resistance. The lowering of the resistance may be mainly due to the larger porosity of the film grown on the Pb-Ce alloy.

Key words: LEAD ALLOYS, CERIUM ALLOYS, IMPEDANCE, SCANNING, PHOTOCURRENT

CLC Number:

O646

Cite this article

Liu Houtian;Zhang Xinhua;Yang Jiong;Yang Chunxiao;Zhou Weifang. Study of the Effect of Cerium on Reducing the Resistance of the Anodic Pb(II) Oxides Film Formed in Sulfuric Acid Solution[J]. Acta Chimica Sinica, 2002, 60(4): 643-646.

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铈降低在硫酸溶液中生长的阳极Pb(II)氧化物膜的电阻的研究

Study of the Effect of Cerium on Reducing the Resistance of the Anodic Pb(II) Oxides Film Formed in Sulfuric Acid Solution

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