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Mechanochemical Synthesis of ZnMn2O4 and its Electrochemical Properties as an Anode Material for Lithium-ion Batteries

  • Park, Yoon-Soo (Department of Advanced Materials Science and Engineering, Kangwon National University) ;
  • Oh, Hoon (Department of Advanced Materials Science and Engineering, Kangwon National University) ;
  • Lee, Sung-Man (Department of Advanced Materials Science and Engineering, Kangwon National University)
  • 투고 : 2011.06.30
  • 심사 : 2011.07.21
  • 발행 : 2011.09.20

초록

$ZnMn_2O_4$ has been prepared by a mechanochemical process using a mixture of $Mn_2O_3$ and ZnO as starting materials, and investigated as a possible anode material for lithium-ion batteries. The phase evolution and morphologies of the ball-milled and annealed powders are characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM) with energy dispersive microanalysis (EDX), respectively. The solid-state reaction for the formation of $ZnMn_2O_4$, under the given experimental conditions, is achieved in a short time (30 min), and the prepared samples exhibit excellent electrochemical performances including an enhanced initial coulombic efficiency, high reversible capacity, and stable capacity retention with cycling.

키워드

참고문헌

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피인용 문헌

  1. hollow microspheres as high performance anode materials for lithium ion batteries vol.5, pp.120, 2015, https://doi.org/10.1039/C5RA16667E
  2. Tuning the morphology of ZnMn2O4 lithium ion battery anodes by electrospinning and its effect on electrochemical performance vol.3, pp.8, 2011, https://doi.org/10.1039/c2ra22943a
  3. Heterostructured core–shell ZnMn2O4 nanosheets@carbon nanotubes’ coaxial nanocables: a competitive anode towards high-performance Li-ion batteries vol.26, pp.14, 2011, https://doi.org/10.1088/0957-4484/26/14/145401