用旋转圆柱电极研究碱性溶液中添加剂对铝阳极电化学行为的影响
Effect of Additives on Electrochemical Behavior of Aluminum Alloy Anode in Alkaline Solution
摘 要
为了提高铝阳极活化性能以及降低腐蚀,用旋转圆柱电极和电化学方法研究了在4 mol/L NaOH溶液中传统添加剂Na2SnO3、含氟阴离子表面活性添加剂F1以及两者的复合添加剂在静态和动态情况下对铝合金阳极电化学行为的影响.结果表明: Na2SnO3在静态下对提高铝阳极活化及抑制铝阳极腐蚀均作用明显,但在动态下作用减弱；F1在动、静态条件下对抑制析氢效果明显；复合添加剂在动态条件下能够有效抑制铝阳极的腐蚀和提高其活化性能.
含氟阴离子表面活性剂
添加剂
电化学行为
rotary cylinder electrode
perfluorousurfactant
additive
electrochemical behavior
Abstract
To improve the activation properties and corrosion-inhibition of Al,rotary cylinder electrode was used to study the effects of additives of Na2SnO3,F1 and their complex on the electrochemical behavior of aluminum alloy anode in 4 mol/L NaOH solution under both dynamic and static conditions.It has been shown that in static state the activation properties of Al were improved and corrosion of aluminum was inhibited when Na2SnO3 was added into 4 mol/L NaOH.But the effect was not evident in dynamic state.The corrosion rate of Al decreased when additive F1 was added into 4 mol/L NaOH in both static and dynamic states.The activation properties of Al increased and the corrosion rate of Al decreased in dynamic state when complex additives(F1+ Na2SnO3)were added into 4 mol/L NaOH.
中图分类号 TG174.41
所属栏目 试验研究
基金项目
收稿日期 2008/4/4
修改稿日期 2008/4/30
网络出版日期
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引用该论文: LIU Lie-wei,ZHOU Li,CAO Fa,ZHAI Bo-wen. Effect of Additives on Electrochemical Behavior of Aluminum Alloy Anode in Alkaline Solution[J]. Corrosion & Protection, 2009, 30(5): 318～321
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参考文献
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【5】舒方霞,王兆文,高炳亮,等.碱性铝-空气电池用铝合金阳极的研究进展[J].电池,2005,35(2):158-159.
【6】张燕,宋玉书.碱性介质中Al-Ga-Sn-Mg的阳极行为研究[J].腐蚀与防护,2005,26(4):143-146.
【7】李振亚,秦学,余远彬,等.含稼、锡的铝合金在碱性溶液中的阳极行为[J].物理化学学报,1999,15(4):381-384.
【8】Aihara T.Manufacture of fluorine-containing aqueous dispersions for coating:JP,63 314 202[P].1988:12-22．
【9】朱顺根.含氟表面活性剂[J].化工生产与技术,1997(3):1-9.
【10】倪震宇.含氟表面活性剂的技术及市场应用[J].有机氟工业,2006(4):42-45.
【11】周晓东.含氟表面活性剂的结构、特性及应用研究[J].有机氟工业,2004(2):14-17.
【12】郭鹤桐,王为.铝阳极氧化膜的回顾与展望[J].材料保护,2000,33(1):43-45.
【13】徐源,Thompson G E,Bethune B B.壁垒型铝阳极氧化膜的成分及电解质离子在膜中的漂移[J].中国腐蚀与防护学报,1987,7(3):161-169.
【14】徐源,Thompson G E,Wood G C.多孔型铝阳极氧化膜孔洞形成过程的研究[J].中国腐蚀与防护学报,1989,9(1):1-6.
【15】马正青,黎文献.新型铝合金阳极电化学性能与组织研究[J].材料保护,2002,35(5):9-12.
【16】游文,林顺岩.杂质对Al-Ga-Bi-Pb合金电化学性能的影响[J].铝加工,1998,21(5):35-38.
【17】舒方霞,王兆文.碱性铝-空气电池用铝合金阳极的研究进展[J].电池,2005,35(2):158-159.
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【19】Gagnon E G．Effect of ten weight percent KOH electrolyte on the durability of zinc-nickel oxidecells containing zinc electrodes with calcium hydroxide[J].J Electrochem Soc,1991,138(11):31-37.
【20】Ramasamy N,Sarangapani S,Nitynadan T P,et al.Gas evolution studies with powder compact zinc anodes[J].Corr Sci,1971,11(11):873-876．
【21】SHI Jian-zhen,GAO Cui-qin,ZHU Ji-ling,et al.The effects of metals on electrochemical behavior of Zn electrode[J].Chinese Journal of Power Sources,1997(2):3-6.
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