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Nanochain LiMn2O4 as ultra-fast cathode material for aqueous rechargeable lithium batteries

  • W. Tang
  • , S. Tian
  • , L. L. Liu
  • , L. Li
  • , H. P. Zhang
  • , Y. B. Yue
  • , Y. Bai
  • , Y. P. Wu
  • , K. Zhu
  • Fudan University
  • China Aerospace Science and Technology Corporation
  • Changzhou University

科研成果: 期刊稿件文章同行评审

131 引用 (Scopus)

摘要

Nanochain LiMn2O4 was prepared by a starch-assisted sol-gel method. Its electrochemical behavior as a cathode material for aqueous rechargeable lithium batteries (ARLBs) was characterized by cyclic voltaammograph, capacity measurement and cycling test. Results show that the nanochain LiMn2O4 has an ultra-fast charge capability. It presents a reversible capacity of 110 mAh/g at 4.5 C and 95 mAh/g even at 91 C in 0.5 mol/l Li2SO4 aqueous electrolyte. When charged at 136 C, 84% capacity could be obtained. In addition, its cycling behavior is also very good. After 200 cycles at 4.5 C, there is no evident capacity fading.

源语言英语
页(从-至)205-208
页数4
期刊Electrochemistry Communications
13
2
DOI
出版状态已出版 - 2月 2011
已对外发布

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