Abstract
To develop a better anode material, we systematically explore the corrosion and discharge characteristics of Mg-1.2Ga-xSn (0, 0.5, 1, 2) alloys through a variety of analytical experiments. The results show that Sn has a great influence on the characteristics of alloys. Sn can make alloys more resistant to corrosion by forming denser corrosion products, and alloys with different Sn contents will exhibit different corrosion and discharge characteristics. Then, we notice that the anodes with higher Sn contents have smaller discharge pore sizes during the discharge process, and with the dissolution and redeposition of Sn and Ga, the discharge platform stabilizes. Finally, we find that Mg-1.2Ga-0.5Sn alloys have the best discharge potential and anode efficiency, and the discharge capacity reaches 1238.12 mAh g−1 at a current density of 50 mA cm−2.
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