Comparison between the Charge-discharge processes of Zn-In and Zn-Sb alloys in an alkaline medium for batteries application

Shilkamy, Hoda Abd El-Shafy; Elrouby, Mahmoud; Elsayed, Abd El Rahman

doi:10.21608/sjsci.2022.139876.1001

Comparison between the Charge-discharge processes of Zn-In and Zn-Sb alloys in an alkaline medium for batteries application

Document Type : Regular Articles

Authors

¹ Chemistry department faculty of science sohag university

² Sohag university, faculty of science , chemistry department Sohag

³ Sohag university,faculty of science, chemistry department Sohag

10.21608/sjsci.2022.139876.1001

Abstract

Abstract
In alkaline batteries, zinc is one of the most commonly used and significant metals. It has been discovered that adding a small amount of indium or antimony as an alloying element to zinc enhances battery longevity while maintaining zinc's sacrificial protection. Electrochemically examined using Galvanostatic Charge Discharge techniques, charge-discharge performance for Zn, Zn-1% In, and Zn-1% Sb alloys in 6 M KOH solution. According to the charge-discharge data, introducing 1 percent In to Zn, the observable voltage is moved to a higher negative potential value. However, by adding the same quantity of Sb, this voltage is switched to a less negative direction. In comparison to Sb, however, greater capacitance values can be attained at 1% In. This suggests that 1% In alloying with Zn has a greater favorable impact on charge effectiveness and capacitance than 1% Sb alloying. Furthermore, compared to Zn-1 percent Sb alloy, the discharge duration of Zn-1 percent In alloy is longer. Finally, modest alloying of In or Sb with Zn can be considered viable composites for longer-lasting alkaline batteries

Keywords

Main Subjects

Chemistry

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