| Al-Ga-Bi-Pb合金在碱性电解液中的电化学行为 |
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| 引用本文： | 钭启升,刘小锋,唐有根.Al-Ga-Bi-Pb合金在碱性电解液中的电化学行为[J].电源技术,2009,33(5). |
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| 作者姓名： | 钭启升 刘小锋 唐有根 |
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| 作者单位： | 1. 中南大学化学化工学院化学电源与材料研究所,湖南,长沙,410083;浙江海洋学院,浙江,杭州,311258
2. 中南大学化学化工学院化学电源与材料研究所,湖南,长沙,410083 |
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| 摘 要： | 通过失重法,极化曲线、交流阻抗等电化学方法,研究了Al-Ga-Bi-Pb合金在碱性电解液中的电化学行为,用X射线荧光光谱仪对铝合金的组成进行分析,并用扫描电镜(SEM)对合金电极表面形貌进行显微观察。结果表明:向电解液中添加LiOH能一定程度降低Al-Ga-Bi-Pb合金阳极的自腐蚀速率,其最佳浓度为0.02mol/L;500℃保温8h固熔处理,使合金阳极极化减小,放电电位负移。
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| 关 键 词： | 铝空气电池 铝阳极 LiOH 固熔 电化学行为 |
Electrochemical behaviour of Al-Ga-Bi-Pb alloy in alkaline solution |
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| DOU Qi-sheng,LIU Xiao-feng,TANG You-gen.Electrochemical behaviour of Al-Ga-Bi-Pb alloy in alkaline solution[J].Chinese Journal of Power Sources,2009,33(5). |
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| Authors: | DOU Qi-sheng LIU Xiao-feng TANG You-gen |
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| Affiliation: | 1. Chemical Power Sources and Material Institute;College of Chemistry and Chemical Engineering;Central South University;Changsha Hunan 410083;China;2. Zhejiang Ocean University;Hangzhou Zhejiang 311258;China |
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| Abstract: | The electrochemical behavior of Al-Ga-Bi-Pb alloy in alkaline solution was investigated by using weight loss method, polarization curves and EIS. The composition was analyzed by X-ray fluorescence spectrometry and the surface morphologies were characterized by scan electron microscopy (SEM). The results show that the corrosion rate of Al-Ga-Bi-Pb alloy anode was decreased by adding LiOH, and the most suitable concentration of LiOH is 0.02 mol/L. The anodic polarization decreases and the discharge potential ... |
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| Keywords: | aluminum air battery aluminum anode LiOH solid solution electrochemical behavior |
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