Al对镁空气电池用挤压态Mg-Al-Ca-Mn合金阳极腐蚀和放电性能的影响

邱玮, 李玉林, 闫瑞, 李雅文, 陈维, 甘浪, 任延杰, 陈荐

Effect of Al Content on Corrosion and Discharge Properties of Extruded Mg-Al-Ca-Mn Alloys as Anode Material for Mg-air Batteries

QIU Wei, LI Yulin, YAN Rui, LI Yawen, CHEN Wei, GAN Lang, REN Yanjie, CHEN Jian

表3 挤压态合金在不同电流密度下放电4 h的平均放电电压和阳极利用率

Table 3 Average discharge voltage and anode utilization rate of extruded alloy at different current densities for 4 h

Parameters Discharge current density / mA·cm-2 AMX011 AMX111 AMX211 AMX311 AMX411 Average discharge potential / V 5 -1.617 -1.553 -1.557 -1.567 -1.581 10 -1.563 -1.503 -1.519 -1.538 -1.547 20 -1.477 -1.387 -1.408 -1.437 -1.442 30 -1.402 -1.289 -1.310 -1.319 -1.345 Anode utilization / % 5 43.32 30.36 33.49 43.27 44.39 10 50.64 35.03 38.14 47.23 52.25 20 59.74 41.83 43.64 54.56 61.36 30 63.82 44.79 46.15 58.98 65.35