Ionic Conductivity Studies on Magnesium-Based Cellulose Acetate Polymer Gel Electrolytes

Cellulose acetate Magnesium acetate Diethyl carbonate Trifluoromethanesulfonate
DOI: 10.24191/srj.v12i2.9390 Publication Date: 2020-05-29T10:53:27Z
ABSTRACT
Magnesium-based polymer gel electrolytes consist of magnesium triflate (MgTf) salt, a mixture ethylene carbonate (EC) and diethyl (DEC) solvents as well cellulose acetate polymeric agent were prepared via direct dissolution method. The highest ionic conductivity obtained for MgTf-EC:DEC(1: 1) liquid was 2. 66 x 10-3 S cm·1 enhanced to 2.73 with the addition acetate. These results in agreement activation energy lowest value 0.11. best explanation on enhancement PGE is due "breathing chain model". plots conductivity-temperature shown obey an Arhenius rule. electrical properties sample analyzed using permittivity-based frequency temperature dependence range JOO Hz-1 MHz 303-373K, respectively. variation dielectric permittivity (e, e) function at different temperatures exhibited decays higher frequencies dispersive behavior low frequencies. Based observed properties, it can be inferred that this electrolyte could promising candidate electrochemical devices.
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