LITHIUM IONIC CONDUCTIVITY OF LISICON SINGLE CRYSTALS | Zendy

Liquan Chen | Zendy; Wang Chang-qing | Zendy; Lianzhong Wang | Zendy; XIAO CHAO-LIANG | Zendy; Jianqing Bi | Zendy

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LITHIUM IONIC CONDUCTIVITY OF LISICON SINGLE CRYSTALS

Author(s) -

Liquan Chen,

Wang Chang-qing,

Lianzhong Wang,

XIAO CHAO-LIANG,

Jianqing Bi

Publication year - 1980

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.29.661

Subject(s) - ionic conductivity , materials science , conductivity , anisotropy , ionic bonding , lithium (medication) , activation energy , analytical chemistry (journal) , conductor , electrical resistivity and conductivity , polarization (electrochemistry) , lithium niobate , condensed matter physics , ion , optics , chemistry , physics , electrode , electrolyte , optoelectronics , organic chemistry , medicine , chromatography , quantum mechanics , composite material , endocrinology

Lithium ionic conductivity of LISICON single crystals grown by Czochralski method has been investigated. It was found that the conductivities in different orientations do not show strong anisotropy and the relations between them are: σb≤σa≤σc≤σ[110]. The lithium content in the crystals have obvious influence on conductivity. When Li/Zn ratio changes from 6.7 to 9.2, the conductivity in a-direction at 300℃ increases from 4.3 × 10-2Ω-1·cm-1 to 1.25×10-1Ω-1·cm-1. Three transition points at 80℃, 140℃ and 300℃ have been shown in logσT vs. 1/T curves. The activation energy for conduction are 0.5-0.58 eV (25-80℃), 0.92 eV (80-140℃), 0.64 eV (140-300℃) and 0.36 eV (> 300℃) respectively. The polarization experiments indicated that LISICON is a lithium ionic conductor with negligible electronic conductivity.

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