Preparation of Zn-Al alloy and investigation of their electrochemical properties as anode for rechargable Zinc-ion batteries
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Keywords:
Zn-Al alloy anode
rechargeable Zinc-ion batteries
dendritic growth
Abstract
Metallic zinc is a potential anode material for Zinc-ion rechargeable batteries with high theoretical specific capacity, low cost, and environmental friendliness. However, metal Zn anodes suffer from low coulombic efficiency and dendritic growth during charge/discharge processes, which limits their practical applications. In this work, we alloyed metallic Zn with Al using a simple metallurgical smelting and investigated the electrochemical properties of these alloys when applied as anodes for Zinc-ion rechargeable batteries. The charge/discharge performance of Zn88Al12 alloy is found much better than that of Zn50Al50 alloy and Zn. At high current density of 1 mA/cm2 and capacity of 0.5 mAh/cm2, the Zn88Al12 alloy has a stable plating/strippingvoltage profile for the duration up to 140h. When the Zn88Al12 alloy was used as anode and V2O5-based material used as cathode, we achieved a high specific capacity of about
300 mAh/g at a current density of 50 mA/g.
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Published
Jan 31, 2024
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How to Cite
Nguyễn Bá Kiên, Lê Quốc Huy, Nguyễn Thị Thu Trang, Đặng Xuân Thủy, Đỗ Lê Hưng Toàn, Nguyễn Linh Giang, and Võ Trần Anh. “Preparation of Zn-Al Alloy and Investigation of Their Electrochemical Properties As Anode for Rechargable Zinc-Ion Batteries”. The University of Danang - Journal of Science and Technology, vol. 22, no. 1, Jan. 2024, pp. 48-51, https://jst-ud.vn/jst-ud/article/view/8929.
