Transactions on Electrical and Electronic Materials

  • 제15권2호
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  • Pages.96-99
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  • 2014
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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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Electrochemical Properties of (Li0.5-xNaxLa0.5)Ti0.8Zr0.2O3 Ceramics as Improved Electrolyte Materials for Li-ion Batteries

  • Lee, Seung-Hwan (Department of Electronics Materials Engineering, Kwangwoon University) ;
  • Kim, Hong-Ki (Department of Electronics Materials Engineering, Kwangwoon University) ;
  • Yun, Ye-Sol (Department of Electronics Materials Engineering, Kwangwoon University) ;
  • Jeong, Tae-Hoon (Department of Smart Grid Research, Korea Electotechnology Research Institute) ;
  • Nam, Sung-Pill (Department of Smart Grid Research, Korea Electotechnology Research Institute) ;
  • Kim, Young-Sung (Department of Electrical Engineering, Soongsil University) ;
  • Kim, Jae-Chul (Department of Electrical Engineering, Soongsil University) ;
  • Lee, Ku-Tak (Department of Electronic Materials Convergence Division, Korea Institute of Ceramic engineering and Technology) ;
  • Im, In-Ho (Department of Electrical Engineering, Shin Ahnsan University)
  • 투고 : 2014.01.13
  • 심사 : 2014.03.04
  • 발행 : 2014.04.25
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초록

We fabricated $(Li_{0.5-x}Na_xLa_{0.5})Ti_{0.8}Zr_{0.2}O_3$(LNTLZ)ceramics ($0{\leq}x{\leq}0.4$) with a perovskite structure via standard solid state synthesis. The influence of Na content on the structural and electrical properties of LNTLZ ceramics was also investigated. During XRD patterns analysis, all of the samples showed orthorhombic structure. The resistance of LNTLZ ceramics decreased as Na content increased, and the maximum activation energy shows 0.56 eV at x=0.4 at room temperature. These results indicated that LNTLZ ceramics are a candidate for use Lithium ion batteries as electrolytes.

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