强碱性介质铝阳极析氢影响因素研究

中国腐蚀与防护学报

2006, Vol. 26

Issue (4): 237-240

研究报告

本期目录 | 过刊浏览

强碱性介质铝阳极析氢影响因素研究

宋玉苏;张燕;周立清

武汉海军工程大学兵器工程系

FACTORS EFFECTING ON THE HYDROGEN EVOLUTION ON Al-ANODES IN STRONG ALKALINE SOLUTION

Yusu Song;Yan Zhang;Liqing Zhou

武汉海军工程大学兵器工程系

全文: PDF(222 KB)

摘要: 结合恒电流集气试验和表面分析手段研究了强碱性介质中影响铝阳极析氢作用的因素，分析了铝阳极的合金化、电解液浓度、工作温度和抑氢物质对材料析氢性能的影响.结果表明：4 mol/L KOH是综合性能较好的强碱性介质，并且选择稀土铝阳极，引入邻胺基苯酚抑氢剂，能够显著抑制铝阳极表面的析氢速率.

关键词 ：析氢反应, 铝阳极, 强碱性介质

Abstract：By means of the constant current gathering volumes of hydrogen evolution,potentiodynamic and the surface corrosion morphology observed,the effect factors of the hydrogen evolution on Al anodes in strong alkaline solution were studied.The factors includes the alloying elements,the concentration of KOH solution,the temperature and the anti-hydrogen evolution agents.The aluminum alloy anode which contains mixed rare earth elements(RE) had the lower se lf-corrosion property and the hydrogen evolution rate in its surface also decreased greatly.When the concentration of KOH solution was 4 mol/L,the anode had the better activity and the lowest H2-evolution rate,The higher the temperature,the faster the H2-evolution rate.The anti-hydrogen evolution agents (eg.aminophenol) could reduce the H2-evolution rate.The results showed that the mixed rare earth(RE) aluminum alloy,4 mol/L KOH solution and the 0.4 mol/L o-aminophenol additive were suitable conditions to reduce the hydrogen evolution rate on the surface of A l-anodes,especially at the high temperature.

Key words： hydrogen evolution Al anode the alkaline solution

收稿日期: 2005-01-21

ZTFLH:

TG174.42

通讯作者: 宋玉苏 E-mail: caosys@263.net

Corresponding author: Yusu Song E-mail: caosys@263.net

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引用本文:

宋玉苏; 张燕; 周立清 . 强碱性介质铝阳极析氢影响因素研究[J]. 中国腐蚀与防护学报, 2006, 26(4): 237-240 .
Yusu Song, Yan Zhang, Liqing Zhou. FACTORS EFFECTING ON THE HYDROGEN EVOLUTION ON Al-ANODES IN STRONG ALKALINE SOLUTION. J Chin Soc Corr Pro, 2006, 26(4): 237-240 .

链接本文:

https://www.jcscp.org/CN/ 或 https://www.jcscp.org/CN/Y2006/V26/I4/237

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