碱性溶液中分子氧在多晶银上的多步还原

催化学报 ›› 2010, Vol. 31 ›› Issue (5): 541-546.

碱性溶液中分子氧在多晶银上的多步还原

M. JAFARIAN1,*, F. GOBAL2, M. G. MAHJANI1, M. HOSSEINI ALIABADI1

1Department of Chemistry, K. N. Toosi University of Technology, 15875-4416, Tehran, Iran;2Department of Chemistry, Sharif University of Technology, 11365-9516, Tehran, Iran

收稿日期:2010-05-25 出版日期:2010-05-25 发布日期:2013-12-05

Multistep Reduction of Oxygen on Polycrystalline Silver in Alkaline Solution

M. JAFARIAN1,*, F. GOBAL2, M. G. MAHJANI1, M. HOSSEINI ALIABADI1

1Department of Chemistry, K. N. Toosi University of Technology, 15875-4416, Tehran, Iran;2Department of Chemistry, Sharif University of Technology, 11365-9516, Tehran, Iran

Received:2010-05-25 Online:2010-05-25 Published:2013-12-05

摘要/Abstract

摘要： Oxygen reduction on a polycrystalline silver electrode was studied by cyclic voltammetry and electrochemical impedance spectroscopy. The reaction occurred by a two-electron pathway. The steps in the mechanism were observed in the cyclic voltammograms recorded with different scan rates. The intermediates formed in the steps were detected by electrochemical impedance spectroscopy.

关键词: silver, oxygen reduction, cyclic voltammetry, electrochemical impedance spectroscopy

Abstract: The mechanism of oxygen reduction reaction was investigated by cyclic voltammetry and electrochemical impedance spectroscopy. Changes in high frequency resistance conduct us to distinguish the adsorbed species in different potentials.

Key words: silver, oxygen reduction, cyclic voltammetry, electrochemical impedance spectroscopy

M. JAFARIAN;*;F. GOBAL;M. G. MAHJANI;M. HOSSEINI ALIABADI. 碱性溶液中分子氧在多晶银上的多步还原[J]. 催化学报, 2010, 31(5): 541-546.

M. JAFARIAN;*;F. GOBAL;M. G. MAHJANI;M. HOSSEINI ALIABADI. Multistep Reduction of Oxygen on Polycrystalline Silver in Alkaline Solution[J]. Chinese Journal of Catalysis, 2010, 31(5): 541-546.

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