化工进展 ›› 2020, Vol. 39 ›› Issue (1): 145-151.DOI: 10.16085/j.issn.1000-6613.2019-0667

• 能源加工与技术 • 上一篇    下一篇

铝空气电池用6061和7075铝合金阳极电化学性能

杨亚刚1(),俞小花1,张磊1,史春阳1,庄晓东1,谢刚1,2,3()   

  1. 1. 昆明理工大学冶金与能源工程学院,云南 昆明 650093
    2. 昆明冶金研究院有限公司,云南 昆明 650503
    3. 共伴生有色金属资源加压湿法冶金技术国家重点实验室,云南 昆明650503
  • 收稿日期:2019-04-28 出版日期:2020-01-05 发布日期:2020-01-14
  • 通讯作者: 谢刚
  • 作者简介:杨亚刚(1994—),男,硕士研究生,研究方向为铝空气电池。E-mail: 1125037838@qq.com
  • 基金资助:
    国家自然科学基金面上项目(51774160);云南省万人计划(YNWR-QNBJ-2018-327)

Electrochemical properties of Al-6061 and Al-7075 alloys as anode for aluminum air batteries

Yagang YANG1(),Xiaohua YU1,Lei ZHANG1,Chunyang SHI1,Xiaodong ZHUANG1,Gang XIE1,2,3()   

  1. 1. Faculty of Metallurgy and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, Yunnan, China
    2. Kunming Metallurgical Research Institute Co. , Ltd. , Kunming 650503, Yunnan, China
    3. State Key Laboratory of Common Associated Non-ferrous Metal Resources Pressure Hydrometallurgy Technology, Kunming 650503, Yunnan, China
  • Received:2019-04-28 Online:2020-01-05 Published:2020-01-14
  • Contact: Gang XIE

摘要:

研究了工业6061铝合金(6061)、航空7075铝合金(7075)和纯铝作为铝空气电池阳极材料的电化学性能,分析其作为阳极的可行性及适用环境。进行了阻抗、极化曲线和恒电流放电实验并进行了表面表征,计算了在40~120mA/cm2电流密度下连续恒流放电的阳极能量密度。用电子探针显微镜(EPMA)对电极表面形貌进行了研究,用波谱分析仪(WDS)进行表面分析。研究结果表明,合金元素在电池放电过程中会改变阳极的表面特性。6061中合金元素含量对电池阳极材料的性能产生了积极影响,使得合金的表面放电面积变大,放电均匀,更适合作为铝空气电池阳极材料。

关键词: 铝空气电池, 再生能源, 铝合金阳极, 氧化, 显微结构

Abstract:

The electrochemical properties of industrial 6061 aluminum alloy (6061), aviation 7075 aluminum alloy (7075) and pure aluminum as anode materials for aluminum air cell were studied. Electrochemical tests, constant-current discharge experiments and surface characterization were carried out to calculate the anodic energy densities of continuous constant discharge under different current densities of 40—120mA/cm2. The surface morphology of the electrode was studied by electron probe microscopy (EPMA), and the surface analysis was performed by using a spectral analyzer (WDS). The results showed that the alloying elements changed the surface characteristics of the battery during discharge. The content of 6061 alloy element has a positive effect on the performance of the battery anode material, making the surface larger and discharge more uniformly , which suggested that 6061 was more suitable to be used as an alloy anode.

Key words: aluminum air battery, renewable energy, aluminum alloy anode, oxidation, microstructure

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