Effect of Cu addition on electrochemical activity of ribbons of Mg-Al-Ca anode materials for magnesium rechargeable batteries manufactured by rapid solidification method

DOI Web Site 9 References
  • Fukui Shunsaku
    Program of Materials Science and Engineering Studies in Science and Engineering Graduate School of Science and Engineering, University of Toyama
  • Tsukeda Tadayoshi
    Faculty of Sustainable Design Academic Assembly, University of Toyama
  • Aida Tetsuo
    Faculty of Sustainable Design Academic Assembly, University of Toyama
  • Tabata Hironobu
    CHUETSU METAL WORKS CO., LTD.
  • Kurihara Hideki
    Saitama Industrial Technology Center Kawaguchi
  • Suzuki Mayumi
    Department of Mechanical Systems Engineering Faculty of Engineering, Toyama Prefectural University

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Other Title
  • 急冷凝固法によるマグネシウム蓄電池用Mg-Al-Ca系負極材料薄帯の電気化学活性に及ぼすCu添加の影響

Abstract

<p>The potential for magnesium storage batteries to become the next generation of rechargeable batteries is high. This is largely due to the abundance of magnesium metal resources and their high safety and electric capacity per volume. Our research team has been studying magnesium alloys as anode materials for these batteries. Specifically, we have been investigating the electrochemical activity and mechanism of adding copper to Mg-9mass%Al and Mg- 9mass%Al-3mass%Ca. Our findings indicate that the electrochemical activity increased with the addition of 1mass%Cu, but decreased with the addition of 3mass%Cu. In addition, changes in lattice constant and basal orientation were also observed. These changes decreased with 1mass%Cu and increased with 3mass%Cu. SEM observations showed that the cell delimitation was indistinct for the 1%Cu addition.</p>

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