李志强,安士忠,吴坷亭,赵金龙,陈驰,王博

• 1:河南科技大学材料科学与工程学院
• 2:龙门实验室
• 3:省部共建有色金属新材料与先进加工技术协同创新中心
• 4:河南省有色金属材料科学与加工技术重点实验室

摘要(Abstract)：

铝合金阳极材料的电化学性能强烈依赖于其晶粒尺寸和析出相等微观组织。通过轧制变形和退火热处理来控制Al-0.5Mg-0.08Sn-0.1Ga-0.1In铝合金的微观组织，研究了轧制和退火对其电化学性能的影响。结果表明：轧制后合金的晶粒被拉长，第二相细化；退火后合金发生再结晶，随着退火温度的升高，晶粒尺寸逐渐增大，且第二相重新聚集长大。轧制态样品的自腐蚀速率比铸态样品降低了36%,经再结晶退火后，随着退火温度的升高，自腐蚀速率逐渐增加。极化曲线和电化学阻抗谱与自腐蚀实验结果一致。轧制态合金相对其他合金显示出更好的放电性能和耐腐蚀性，在100 mA·cm~(-2)电流密度下放电，能量密度达2576 mWh·g~(-1),阳极利用效率高达95.28%。

关键词(KeyWords)： 铝空气电池;轧制;退火;微观结构;电化学性能

Abstract:

Keywords:

基金项目(Foundation): 河南省高等学校重点科研项目(18A430013)

作者(Author): 李志强,安士忠,吴坷亭,赵金龙,陈驰,王博

DOI: 10.13289/j.issn.1009-6264.2024-0202

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