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Carbon-coated BiOBr composite prepared by molten salt method and mechanical ball milling as anode material for lithium-ion batteries

Authors
  • Shi, Xiaoxiao
  • Liu, Haohao
  • Tian, Jianxin
  • Ning, Pengfei
  • Zhang, Jianyin
  • Shi, Xingwei
Publication Date
Mar 01, 2021
Source
Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
Keywords
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Abstract

In this paper, carbon-coated BiOBr composite ([email protected]) is obtained through simple molten salt method using Bi(NO3)(3)center dot 5H(2)O and KBr in fused LiNO3 center dot KNO3 eutectic salt combined with ball milling. The as-prepared samples were characterized by X-ray diffraction, Scanning electron microscope and Transmission electron microscope. Compared with pure BiOBr, electrochemical tests showed that the [email protected] composite electrode has been significantly enhanced by composite with ketjen black. It delivers a reversible capacity of 422 mAh g(-1) after 100 cycles at 100 mA g(-1). Similarly, the [email protected] composite also exhibits excellent rate performance with the reversible capacity of 380 mAh g(-1) at a current density of 400 mA g(-1).

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