, Volume 25, Issue 6, pp 2657–2667 | Cite as

An investigation on the abnormal trend of the conductivity properties of CMC/PVA-doped NH4Cl-based solid biopolymer electrolyte system

  • N. F. Mazuki
  • A. F. Fuzlin
  • M. A. Saadiah
  • A. S. SamsudinEmail author
Original Paper


The present work was carried out to investigate the abnormal trend of electrochemical properties of solid biopolymer electrolytes (SBEs) system-based carboxymethyl cellulose (CMC) blended with polyvinyl alcohol (PVA)-doped NH4Cl. The SBEs system was prepared via solution casting technique and analyzed through Fourier transform infrared (FTIR) spectroscopy, thermogravimetric analysis (TGA), X-ray diffraction (XRD) analysis, and electrical impedance spectroscopy (EIS). Complexation was observed with the changes of peaks at 1065 cm−1, 1598 cm−1, 2912 cm−1, and 3396 cm−1 that corresponds to C–O–C, C=O of COO stretching, C–H stretching, and O–H stretching, respectively, of CMC/PVA blend system upon the addition of NH4Cl. The decrease of the amorphousness and the increase of weight loss demonstrated the abnormal observation of the ionic conductivity when (1–5 wt%) NH4Cl was added in the SBEs system which was lower than the un-doped SBEs system. It was also observed that the highest ionic conductivity at 8.86 × 10−5 Scm−1 was achieved by the sample containing 6 wt% of NH4Cl. The temperature dependence of the SBEs system is found to be governed by the Arrhenius rule. Through the IR deconvolution technique, the conductivity of CMC/PVA-NH4Cl SBEs system was shown to be primarily influenced by the ionic mobility and diffusion coefficient of the ions.


Solid biopolymer electrolytes (SBEs) Abnormal conductivity Thermal stability Amorphous phase 



The authors would like to thank MOHE for FRGS (RDU170115), Faculty of Industrial Sciences and Technology, Universiti Malaysia Pahang, for the help and support given for the completion of this work.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • N. F. Mazuki
    • 1
  • A. F. Fuzlin
    • 1
  • M. A. Saadiah
    • 1
    • 2
  • A. S. Samsudin
    • 1
    Email author
  1. 1.Ionic Materials Team, Advanced Materials, Faculty of Industrial Sciences & TechnologyUniversiti Malaysia PahangKuantanMalaysia
  2. 2.Department of Chemistry, Centre for Foundation StudiesInternational Islamic University MalaysiaGambangMalaysia

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