Electrochemical performance of magnesium alloy and its application on the sea water battery |
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| Authors: | Hongyang ZHAO Pei BIAN Dongying JU |
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| Institution: | 1. School of Materials Science and Engineering, University of Science and Technology Liaoning, Anshan 114051, China;2. Advanced Research Center, Saitama Institute of Technology, Fukaya 3690293, Japan;1. MagIC—Magnesium Innovation Centre, Helmholtz-Zentrum Geesthacht (HZG), 21502, Geesthacht, Germany;2. Computational Material Design, Faculty of Mechanical Engineering, Helmut-Schmidt-University University of the Federal Armed Forces, 22043, Hamburg, Germany;3. Institute of Materials Science, Faculty of Engineering, Kiel University, 24143, Kiel, Germany;1. School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon 440-746, Republic of Korea;2. School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), UNIST-gil 50, Ulsan 44919, Republic of Korea;3. Energy Materials and Devices Lab, 4TOONE Corporation, UNIST-gil 50, Ulsan 44919, Republic of Korea;1. School of Materials Science and Engineering, Central South University, Changsha, 410083, China;2. Department of Materials Science and Engineering, Yantai Nanshan University, Yantai, 265713, China |
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| Abstract: | The magnesium sea water battery belongs to a kind of reserved battery, which takes the active metal such as magnesium alloy as the anode based on the sea water as the electrolyte. Experiments of magnesium alloy sea water battery were carried out and its electrochemical performance was studied. Thin sheets of Mg-Al-Zn and Mg-Mn series of magnesium alloy were fabricated and used as the anode of magnesium battery. The discharging voltage and current were measured for different composition and thickness of Mg alloy sheet under various surface state, temperature as well as electrolyte. The effect of the temperature, the surface condition and the electrolyte to the electrical current and voltage were investigated. Anodic dissolution and mechanism of activation of Mg alloy anode were discussed based on surface microstructure observation. The feasibility to apply magnesium alloy sheet to highly effective sea water battery was verified. |
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