Conduction mechanism via correlated barrier hopping in EC-plasticized 2-hydroxyehyl cellulose-ammonium nitrate solid polymer electrolyte

International Fundamentum Science Symposium 2018

自然科学;工业技术

Hafiza, M.N.^1 ; Isa, M.I.N.^1

Advanced Nano Materials (ANOMA) Research Group, Advanced Materials Team, Ionic State Analysis (ISA) Laboratory, School of Fundamental Science, Universiti Malaysia Terengganu, Kuala Nerus, Terengganu Darul Iman

21030, Malaysia^1

关键词: Conduction Mechanism;    Correlated barrier hopping;    Correlated barrier hopping models;    Electrical impedance spectroscopy;    Elevated temperature;    Ethylene carbonate;    Solid polymer electrolytes;    Solution-casting method;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/440/1/012039/pdf
DOI  :  10.1088/1757-899X/440/1/012039

来源: IOP

【 摘 要 】

This present work discussed the ionic conductivity and ionic conduction mechanism of solid polymer electrolyte (SPE). The SPE was prepared from 2-hydroxyethyl cellulose incorporated with ammonium nitrate and plasticized with ethylene carbonate (2-HEC-AN-EC) via well-known solution casting method. All SPEs were characterized using electrical impedance spectroscopy (EIS). It was found that the ionic conductivity at elevated temperature obeys Arrhenius rule. The plot of frequency exponent s against temperature shows that the correlated barrier hopping (CBH) was the best model to explain the ion conduction through 2-HEC-AN-EC SPE.