Materials Reports 2021, Vol. 35 Issue (Z1): 311-314 |
METALS AND METAL MATRIX COMPOSITES |
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Effect of Sn on the Electrochemical Performance of Al-Mg-Ga-Sn Anode Alloy |
WEI Manxiang1,2, GAO Sirui1,2, LIU Hongliang1,2, WANG Xin1,2, FU Haipeng1,2, HE Lizi1,2
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1 Key Lab. of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang 110819, China 2 School of Materials Science and Engineering, Northeastern University, Shenyang 110819, China |
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Abstract In order to improve the electrochemical performance of aluminum alloys as anodes in metal-air batteries, the effects of different contents of Sn elements on the electrochemical properties of Al-Mg-Ga alloys were studied in this paper. The open circuit potential, polarization curve, electrochemical impedance spectroscopy and constant current discharge of alloys with different contents of Sn in 6 mol/L KOH electrolyte were tested. The results show that Sn element can significantly improve the performance of the aluminum alloy anode. Compared with pure aluminum, the electrochemical performance of the alloy has been greatly improved; when the Sn content is 0.1wt%, the hydrogen evolution corrosion of the alloy is the slowest. The electrochemical performance is the best, and the alloy has the best comprehensive performance.
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Published: 16 July 2021
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Fund:National Natural Science Foundation of China(51574706). |
About author:: Manxiang Wei, a master's degree student in materials processing engineering at Northeastern University, is studying in the research group of professor Lizi He. The current main research direction is the research and development of anode materials for aluminum-air batte-ries.Lizi He, graduated from the School of Materials Science and Engineering of Northeastern University in 2001 with a doctorate degree in materials processing. She is currently a professor at Northeastern University, School of Materials Science and Technology. The research fields and directions are mainly focused on: alloy composition design, forming and heat treatment process development of aluminum alloy, material structure and performance control, basic research and industrialization of metal fuel cell applications. |
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