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Conductivity study of Carboxyl methyl cellulose Solid biopolymer electrolytes (SBE) doped with Ammonium Fluoride

Author Affiliations

  • 1Advanced Materials Research Group, School of Fundamental Sciences, Universiti Malaysia Terengganu, 21030 Kuala Terengganu, Terengganu, MALAYSIA
  • 2Corporate Communication & Image Development Center, Universiti Malaysia Terengganu, 21030 Kuala Terengganu, Terengganu, MALAYSIA

Res. J. Recent Sci., Volume 3, Issue (6), Pages 59-66, June,2 (2014)


Carboxyl methyl cellulose (CMC) doped with ammonium fluoride (NHF) solid biopolymer electrolyte (SBE) was prepared via solution cast technique. The ionic conductivity of CMC-NHF was measured using electrical impedance spectroscopy in temperature range from 303K to 333K. The highest conductivity observed is 2.6810-7 Scm-1 for sample containing 9 wt. % NHF at 303K. The ionic conductivity of the samples increases proportionally with temperature which implies that these samples obey Arrhenius behavior. Activation energy graph plotted shows highest conductive sample attain lowest activation energy value. The dielectric analysis of the CMC-CNF SBE as ascertained from electrical impedance spectroscopy reveals that the highest conductivity sample has the highest dielectric constant at ambient temperature. These samples appear to be ionic conductor of non-Debye type.


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