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author:

Li, R.-H. (Li, R.-H..) [1] | Xu, Z.-R. (Xu, Z.-R..) [2] | Wang, W.-J. (Wang, W.-J..) [3]

Indexed by:

Scopus PKU CSCD

Abstract:

Refined natural kaolinitc has been used as a starting material for preparing new lithium fast ion conductors Li1+2xAlxScyNbyTi2-x-2ySixP3-xO12 system by high temperature solid reaction for about 30 h. X-ray powder diffraction shows that a nasi-con-like structure (space group R3c) phase exists in the composition range of x=0.1, 0.2, y≤=0.4; x=0.3, y≤=0.25, a second phase always exists in the above range. AC impedance measurements indicate that the composition with x=0.1, y=0.3 and x=0.2, y=0.15 possess higher ionic conductivities of 1.05×10-4 S/cm and 2.78×10-4 S/cm at room temperature, and have activaction energy of 31.4 kJ/mol and 34.8 kJ/mol respectively in the temperature range from 150°C to 300°C.

Keyword:

Kaolinite; Mineral lithium fast ion conductor; Sc-Nb-lisicon

Community:

  • [ 1 ] [Li, R.-H.]Dept. of Chem., Fuzhou Univ., Fuzhou 350002, China
  • [ 2 ] [Xu, Z.-R.]Dept. of Chem., Fuzhou Univ., Fuzhou 350002, China
  • [ 3 ] [Wang, W.-J.]Dept. of Chem., Fuzhou Univ., Fuzhou 350002, China

Reprint 's Address:

  • [Li, R.-H.]Dept. of Chem., Fuzhou Univ., Fuzhou 350002, China

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Source :

Journal of Functional Materials

ISSN: 1001-9731

Year: 2003

Issue: 1

Volume: 34

Page: 59-60,63

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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