| Composite corrosion inhibitors for secondary alkaline zinc anodes |
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| 引用本文： | 贾铮 周德瑞 张翠芬. Composite corrosion inhibitors for secondary alkaline zinc anodes[J]. 中国有色金属学会会刊, 2005, 15(1): 200-206 |
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| 作者姓名： | 贾铮 周德瑞 张翠芬 |
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| 作者单位： | DepartmentofAppliedChemistry,HarbinInstituteofTechnology,Harbin150001,China |
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| 摘 要： | The corrosion inhibition property of PEG600 and In(OH)3 as composite corrosion inhibitors for secondary alkaline zinc electrodes was studied, and the inhibition efficiency was determined as 81.9%. The research focused on the mechanism by the methods of electrochemical impedance spectroscopy, polarization curves and IR spectroscopy. The results indicate that the corrosion inhibition effectiveness is attributed to the joint inhibition of anodic zinc dissolution and cathodic hydrogen evolution. And the anodic process is depressed to a greater extent than the cathodic process. The synergistic mechanism of the composite inhinbitors proves to be the enhancement of adsorption of PEG600 by In(OH)3. Potentiostatic experiment results and SEM images verify the inhibition of dendritic growth by the composite inhibitors.
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| 关 键 词： | 二级碱性电池 锌阳极 腐蚀抑制剂 协同效应 树突生长 |
Composite corrosion inhibitors for secondary alkaline zinc anodes |
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| JIA Zheng,ZHOU De-rui,ZHANG Cui-fen. Composite corrosion inhibitors for secondary alkaline zinc anodes[J]. Transactions of Nonferrous Metals Society of China, 2005, 15(1): 200-206 |
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| Authors: | JIA Zheng ZHOU De-rui ZHANG Cui-fen |
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| Abstract: | The corrosion inhibition property of PEG600 and In(OH)3 as composite corrosion inhibitors for secondary alkaline zinc electrodes was studied,and the inhibition efficiency was determined as 81.9%.The research focused on the mechanism by the methods of electrochemical impedance spectroscopy,polarization curves and IR spectroscopy.The results indicate that the corrosion inhibition effectiveness is attributed to the joint inhibition of anodic zinc dissolution and cathodic hydrogen evolution.And the anodic process is depressed to a greater extent than the cathodic process.The synergistic mechanism of the composite inhinbitors proves to be the enhancement of adsorption of PEG600 by In(OH)3.Potentiostatic experiment results and SEM images verify the inhibition of dendritic growth by the composite inhibitors. |
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| Keywords: | secondary alkaline zinc anode composite corrosion inhibitors corrosion inhibition synergistic effect dendritic growth |
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