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A novel solid electrolyte material LiNaSO4-Al2O3 for intermediate temperature fuel cells

  • Bin Zhu
  • , B. E. Mallander
  • , Wanyu Liu
  • , Shuyu Chen
  • , Xiangqian Xiu
  • , Dazhi Wang
  • Chalmers University of Technology
  • University of Science and Technology of China

Research output: Contribution to journalArticlepeer-review

Abstract

Three-phase composite ceramic electrolyte was prepared and studied. The XRD pattern of this material shows a composited phase structurd of LiNaSO4 and γ-Al2O3. High conductivety (10-2 to 10-1 S/cm) can be achieved at 500°C. A phase transition appears at about 499°C. It may be caused by an existence of bbc phase. Al2O3 makes a good LiNaSO4-Al2O3 skeleton at high temperature, and the conductivity enhanced. The proton transport number for high temperature phase is 0.9-1.0.

Original languageEnglish
Pages (from-to)414
Number of pages1
JournalWuji Cailiao Xuebao/Journal of Inorganic Materials
Volume12
Issue number3
StatePublished - 1997
Externally publishedYes

Keywords

  • Fuel cell
  • Solid state electrolyte

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