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Citation: Fan Yuqin, Wang Shousan, Wu Haoqing. Li, Na-MONTMORILLONITES, A NEW TYPE OF FAST IONIC CONDUCTOR[J]. Chinese Journal of Applied Chemistry, ;1988, 5(6): 72-74. shu

Li, Na-MONTMORILLONITES, A NEW TYPE OF FAST IONIC CONDUCTOR

1.
Department of Chemistry, Fudan University, Shangai

Received Date: 21 March 1987
Available Online: 26 March 1988

Natural mineral montmorillonite was found to be a new kind of fast ionic conductor. Using impedance measurement the conductjvities of Li and Na-montmorillonite with water content of 15% at 25℃ were determined as 1.04×10^-3 and 2.76×10^-3S·cm^-1, activation energy 0.13eV and 0.11eV respectively. By DC polarization technique the electronic conductivity of Li-montmorillonite was measured to be 4×10^-10s·cm^-1. The ionic conductivities of Li and Na-montmorillonite vary with water content and were 6×10^-3 and 8×10^-3s·cm^-1 respectively at 25℃ with 20% water content.
- Solid electrolyte,
- Superionic conductor,
- Montmorillonite
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