Transactions on Electrical and Electronic Materials

  • 제13권4호
  • /
  • Pages.177-180
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  • 2012
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  • 1229-7607(pISSN)
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  • 2092-7592(eISSN)
한국전기전자재료학회 (The Korean Institute of Electrical and Electronic Material Engineers)
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Preparation and Electrochemical Properties of LiFePO4-PSS Composite Cathode for Lithium-ion Batteries

  • Nguyen, Hiep Van (Department of Electrical Engineering, Chonnam National University) ;
  • Jin, En Mei (Department of Electrical Engineering, Chonnam National University) ;
  • Gu, Hal-Bon (Department of Electrical Engineering, Chonnam National University)
  • 투고 : 2012.03.06
  • 심사 : 2012.07.02
  • 발행 : 2012.08.25
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초록

In this study, we prepared $LiFePO_4$- poly (sodium 4-styrenesulfonate) (PSS) composite by the hydrothermal method and ball-milling process. Different wt% PSS were added to $LiFePO_4$. The cathode electrodes were made from mixtures of $LiFePO_4$-PSS: SP-270: PVDF in a weighting ratio of 70%: 25%: 5%. $LiFePO_4$-PSS powders were characterized by X-ray diffraction (XRD), and scanning electron microscopy (SEM). The electrochemical properties of $LiFePO_4$-PSS/Li batteries were analyzed by cyclic voltammetry, charge/discharge tests, and AC impedance spectroscopy. A Li/$LiFePO_4$-PSS battery with 4.75 wt% PSS shows the best electrochemical properties, with a discharge capacity of 128 mAh/g.

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  3. Electrochemical characterization of LiFePO4/poly (sodium 4-styrenesulfonate)-multi walled carbon nanotube composite cathode material for lithium ion batteries vol.569, 2013, https://doi.org/10.1016/j.jallcom.2013.03.139
  4. Self-assembly of core–shell structures driven by low doping limit of Ti in LiCoO2: first-principles thermodynamic and experimental investigation vol.19, pp.5, 2017, https://doi.org/10.1039/C6CP08114B