Bulletin of the Korean Chemical Society

  • 제32권5호
  • /
  • Pages.1491-1494
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  • 2011
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  • 0253-2964(pISSN)
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  • 1229-5949(eISSN)
대한화학회 (Korean Chemical Society)
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Improved Rate Capability of Li/Li3V2(PO4)3 Cell for Advanced Lithium Secondary Battery

  • Lim, Hyun-He (Faculty of Applied Chemical Engineering, Chonnam National University) ;
  • Cho, A-Ra (Faculty of Applied Chemical Engineering, Chonnam National University) ;
  • Sivakumar, Nagarajan (Faculty of Applied Chemical Engineering, Chonnam National University) ;
  • Kim, Woo-Seong (Daejung EM Co. LTD.) ;
  • Yoon, Won-Sub (School of Advanced Materials Engineering, Kookmin University) ;
  • Lee, Yun-Sung (Faculty of Applied Chemical Engineering, Chonnam National University)
  • 투고 : 2011.02.10
  • 심사 : 2011.03.03
  • 발행 : 2011.05.20
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초록

Lithium vanadium phosphate, $Li_3V_2(PO_4)_3$ was prepared by a simple solid state route. It was found that making a fine powder of $Li_3V_2(PO_4)_3$ by the mechanical milling is very effective for increasing the insertion/extraction of lithium from $Li_3V_2(PO_4)_3$ structure. In charge/discharge test, the ball-milled $Li_3V_2(PO_4)_3$ sample exhibited a higher initial discharge capacity of 174 mAh/g in the voltage range of 3.0-4.8 V, compared with pure $Li_3V_2(PO_4)_3$ sample (152 mAh/g). Furthermore, the ball-milled $Li_3V_2(PO_4)_3$ presented not only higher cycle retention rate after 50 cycles, but also better rate capability compared with pure sample in the whole region (0.1-7 C).

키워드

참고문헌

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피인용 문헌

  1. Binder-free Sn/Graphene Nanocomposites Prepared by Electrophoretic Deposition for Anode Materials in Lithium Ion Batteries vol.34, pp.4, 2013, https://doi.org/10.5012/bkcs.2013.34.4.1199
  2. Effects of Nd-doping on the structure and electrochemical properties of Li3V2(PO4)3/C synthesized using a microwave solid-state route vol.261, pp.None, 2011, https://doi.org/10.1016/j.ssi.2014.03.027
  3. Mn-doped Li3V2(PO4)3 nanocrystal with enhanced electrochemical properties based on aerosol synthesis method vol.50, pp.8, 2011, https://doi.org/10.1007/s10853-015-8867-6