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Electrochemical Performance of Mg-air Battery Based on AZ61 Magnesium Alloy with Different Ambient Temperature

机译:基于AZ61镁合金的Mg - 空气电池具有不同环境温度的电化学性能

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The purpose of this research is to determine the optimal ambient temperature for Mg-air batteries with AZ61 alloy as the anode to achieve, lower corrosion and higher discharge performance. The corrosion behaviors were evaluated by potentiodynamic polarization measurements in a 3.5 wt% NaCl solution and the discharge performance of the AZ61 alloy as an anode for Mg-air batteries was studied. The AZ61 anode has higher utilization and a lower self-corrosion rate at low ambient temperature. With increasing ambient temperature, Mg-air batteries have higher operating voltages and specific energies. Electrochemical impedance spectroscopy(EIS) and scanning electron microscopy(SEM) support the results of electrochemical and discharge performance tests. Combining the corrosion rate and discharge performance, the AZ61 alloy as anode for Mg-air batteries obtained the best electrochemical performance in a 3.5 wt% NaCl electrolyte at an ambient temperature of 40-60°C.
机译:该研究的目的是确定用AZ61合金的Mg-ingloy为阳极确定最佳环境温度,以实现,降低腐蚀和更高的放电性能。 研究了3.5wt%NaCl溶液中的电位动力学偏振测量评估了腐蚀行为,并研究了AZ61合金作为Mg-Air电池的阳极的放电性能。 AZ61阳极在低环境温度下具有较高的利用率和较低的自腐蚀速率。 随着环境温度的增加,Mg-Air电池具有更高的工作电压和特定能量。 电化学阻抗谱(EIS)和扫描电子显微镜(SEM)支持电化学和放电性能测试的结果。 结合腐蚀速率和放电性能,AZ61合金作为Mg-Air电池的阳极在3.5wt%NaCl电解质中在40-60℃的环境温度下获得最佳的电化学性能。

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