冷变形对铝空气电池用阳极电化学性能的影响  

Effect of Cold-rolled Deformation on Electrochemical Performance of Cast Al-Ga-Sn-Bi Anode Alloy

作　　者：贺俊光[1] 文九巴[1] 周旭东[1] 王国伟 

机构地区：[1]河南科技大学材料科学与工程学院洛阳471003 [2]太阳雨太阳能有限公司连云港222000

出　　处：《腐蚀科学与防护技术》2013年第3期229-232,共4页Corrosion Science and Protection Technology

基　　金：河南省科技创新杰出人才计划项目(094200510019);河南省自然科学基金项目(092300410132)资助

摘　　要：通过测量不同变形量的Al-Ga-Sn-Bi阳极合金在4 mol/L KOH溶液中自腐蚀速率、析氢速率、放电曲线等,研究了冷变形对铝空气电池用铝阳极电化学性能的影响。结果表明:与铸态合金相比,冷轧变形可以提高铝阳极合金的电化学性能。变形量80%的合金具有较低的自腐蚀速率和析氢速率及较长而稳定的放电特性。对铸态合金进行80%的冷变形能够较大幅度地提高合金的电化学性能。Influence of cold-rolled deformation on the electrochemical performance of a cast Al- Ga-Sn-Bi anode alloy in 4 mol/L KOH solutions was investigated by measuring the corrosion rate, hydrogen evolution rate, discharge time, etc. The results show that cold-rolled deformation can improve the electrochemical performance of A1 anode alloys. The alloy with 80% cold rolling reduction exhibits a lower rate of corrosion and hydrogen evolution, as well as a longer discharge time and thereby a good electrochemical performance.

关 键 词：铝合金阳极 冷变形 电化学性能 金相组织 

分 类 号：TG174.41[金属学及工艺—金属表面处理]