Vol 23, No 1 (2019) > MJT Intl Meeting on Collaborative Technologies >

Electrical Properties of A Novel Solid Biopolymer Electrolyte based on Algi-nate Incorporated with Citric Acid

Ahmad Faizrin Ahmad Fuzlin 1 , Noor Syahida Ismail 1 , Yuki Nagao 2 , Ahmad Salihin Samsudin 1


  1. Ionic Materials Team, Faculty of Industrial Science & Technology, Universiti Malaysia, Pahang 26300, Kuantan, Pa-hang, Malaysia
  2. Japan Advanced Institute of Science and Technology, School of Materials Science, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan


Abstract: In the present study, a novel solid biopolymer electrolytes (SBE) system has been introduced by doping citric acid into alginate polymer. The sample of alginate-citric acid SBE system was prepared via solution casting technique. By using Electrical Impedance Spectroscopy (EIS), the electrolytes of alginate-citric acid has been analyzed from 5 Hz to 1 MHz achieved highest conductivity value at 20 wt.% of 5.49 x 10-7 S cm-1. The temperature dependence of various composition citric acid was found to obey the Arrhenius rules with R2~1 where all SBE system is thermally activated when increasing temperature. The dielectric studies of the alginate-citric acid SBE system showed a non-debye behavior based on data measured using complex permittivity (ε*) and complex electrical modulus (M*) at selected temperature where there are no single relation was found in new biopolymer electrolytes system.
Keywords: biopolymer; ionic conductivity; Arrhenius; dielectric studies
Published at: Vol 23, No 1 (2019) pages: 48-52

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