The Korean Journal of Ceramics

The Korean Ceramic Society (한국세라믹학회)
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Preparation and Electrical Conductivity of CuO-Bi2O3-V2O5 Glass for Solid State Batteries

  • Jeong, Dong-Jin (Department of Inorganic Materials Engineering, Pusan National University) ;
  • Park, Hee-Chan (Department of Inorganic Materials Engineering, Pusan National University) ;
  • Lee, Heun-Soo (Department of Ceramics, Daegu Technical College, Daegu) ;
  • Park, Chan-Young (Department of Polymer Enineering, Pukyong National University)
  • Published : 1999.06.01
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Abstract

The crystallization behavior and electrical conductivity of the $CuO-Bi_2O_3-V_2O_5$ glasses with various CuO content were investigated. The glass formation regin was 0~20 mol% Bi2O3, 5~55 mol% CuO, and 30~90 mol% $V_2O_5$ with Tg=$275^{\circ}C$~$290^{\circ}C$. Among glasses with various compositions, the 31CuO-$14Bi_2O_3-55V_2O_5$ (mol%) glass heat-treated at $358^{\circ}C$ for 8 h showed the highest conductivity of ~ at room temperature. The heat-treated glasses increased in electrical conductivity by the order of 104 compared to non heat-treated glass. The linear relationship between 1n($\sigma$T)and $T^{-1}$ indicated that electrical conduction in the 31CuO-$14Bi_2O_3-55V_2O_5$ (mol%) glass occurred by a small polaron hopping.

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References

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