Tailoring the electrochemical behavior and discharge performance of Mg–Al–Ca–Mn anodes for Mg-air batteries by different extrusion ratios

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成果类型：

期刊论文

作者：

Huang, Weiying;Jiang, Zhen;Wu, Pengfei;Qiu, Wei;Chen, Wei;...

通讯作者：

Wu, PF

作者机构：

[Chen, Wei; Huang, Weiying; Jiang, Zhen; Qiu, Wei; Chen, Jian] Changsha Univ Sci & Technol, Inst Energy & Power Engn, Key Lab Efficient & Clean Energy Utilizat, Changsha 410114, Peoples R China.

[Huang, Weiying] Changsha Univ Sci & Technol, State Key Lab Disaster Prevent & Reduct Power Grid, Changsha 410114, Peoples R China.

[Wu, Pengfei] Changsha Univ Sci & Technol, Coll Automot & Mech Engn, Changsha 410114, Peoples R China.

[Huang, Weiying] Hunan Valin Lianyuan Iron & Steel Co Ltd, Loudi 417009, Peoples R China.

通讯机构：

[Wu, PF ] C

Changsha Univ Sci & Technol, Coll Automot & Mech Engn, Changsha 410114, Peoples R China.

语种：

英文

关键词：

Mg-air batteries;Second phase;Electrochemical behaviors;Discharge properties

期刊：

Journal of Materials Research and Technology

ISSN：

2238-7854

年：

2024

卷：

页码：

3494-3506

DOI：

10.1016/j.jmrt.2023.12.202

基金类别：

National Natural Science Foundation of China [52105140]; Young Science and Technology Talent in Hunan Province [2022RC1065]

机构署名：

本校为第一且通讯机构

院系归属：

汽车与机械工程学院

能源与动力工程学院

摘要：

This work investigates the electrochemical behavior and discharge performance of Mg-3Al-0.4Ca-0.7Mn alloys with three extrusion ratios (ER) of 10, 16 and 25 as anodes for Mg -air batteries. The results show that the ER16 sample has the lowest corrosion current density and the highest corrosion resistance. The corrosion performance of the ER25 sample is slightly reduced due to the excessive discontinuous second phase leading to elevated selfcorrosion rate. The alloy exhibits higher discharge voltage and stable discharge process with increasing extrusion ratio. Increasing the extrusion ratio has...

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Tailoring the electrochemical behavior and discharge performance of Mg–Al–Ca–Mn anodes for Mg-air batteries by different extrusion ratios

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