Studies on New Polymeric Solid Electrolytes Based on Urea and Thiocyanate

Abstract

Abstract: The new polymeric solid electrolytes (PSE) based on urea(carbamide) and NH₄SCN(KSCN) were synthesized. Their ionic conductivity is higher than 1.20×10^-2 S/cm(2.65×10^-3 S/cm) at room temperature. The main factors influencing the ionic conductivity were analyzed. The conductivity mechanism of PSE were disscused. The results show that the PSE are amorphous solid solution and the main conductance is NH₄SCN(KSCN), which can ionize and conduct in the PSE, and the conductivity of PSE obeyed the VTF equation in the temperature range from 20 to 85 ℃.

Key words: Polymer solid electrolyte, Solid solution, Urea, Ammonium thiocyanate, Potassium thiocyanate, Ionic conductivity

CLC Number:

O636

TrendMD:

WANG Zhi-Yin, HE Yun-Hua . Studies on New Polymeric Solid Electrolytes Based on Urea and Thiocyanate[J]. Chem. J. Chinese Universities, 2002, 23(12): 2375.

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Studies on New Polymeric Solid Electrolytes Based on Urea and Thiocyanate

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