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Science in China Series E: Technological Sciences

, Volume 52, Issue 8, pp 2288–2294 | Cite as

Melt-spun Al70−XSi30Mn X (X=0, 3, 5, 7, 10) anode in lithium-ion batteries

  • ZhanBo SunEmail author
  • XuePeng Li
  • XiaoDong Wang
  • Qing Hu
  • MingShu Zhao
  • YaoMin Zhu
  • Yan Li
  • XiaoPing Song
Article

Abstract

Al70−XSi30Mn X (X=0, 3, 5, 7, 10, mol%) ribbons were prepared by melt spinning. A supersaturated solid solution of Si and Mn in fcc Al and some microstructures consisting of nano grains were obtained. Some alloys with nano-sized grains exhibited high discharge capacities and favorable cycle properties. The capacity of more than 400 mAh/g could be obtained in melt-spun Al67Si30Mn3 alloy after 20 cycles and more than 300 mAh/g after 40 cycles. Li/Si and Li/Al compounds in the anodes of pure Al and pure Si were not detected in Al-Si-Mn alloys inserted by Li. It is considered that the formation of the supersaturated solid solution and refinement of microstructures have prevented the alloys from the forming the compounds with superfluous Li. As a result, the electrochemical properties have been improved.

Keywords

Al-Si-Mn alloy melt spinning microstructure electrochemical property 

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Copyright information

© Science in China Press and Springer-Verlag GmbH 2009

Authors and Affiliations

  • ZhanBo Sun
    • 1
    Email author
  • XuePeng Li
    • 1
  • XiaoDong Wang
    • 1
  • Qing Hu
    • 1
  • MingShu Zhao
    • 1
  • YaoMin Zhu
    • 2
  • Yan Li
    • 2
  • XiaoPing Song
    • 1
  1. 1.School of Science, State Key Laboratory for Mechanical Behavior of MaterialsXi’an Jiaotong UniversityXi’anChina
  2. 2.School of Materials Science and EngineeringHenan University of Science and TechnologyLuoyangChina

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