Effect of plasticizer on the conductivity of carboxymethyl cellulose-based solid polymer electrolyte

  • Shikha GuptaEmail author
  • Pradeep K. Varshney
Original Paper


Lithium ion conducting solid polymer electrolyte based on carboxymethyl cellulose (CMC) complexed with lithium tetrafluoroborate was prepared by using solution cast technique. Ionic conductivity was measured using ac impedance analyzer and observed as 8.2 × 10−6 S cm−1 at room temperature. For further enhancement in the conductivity, plasticizer was introduced and it reached up to 3.7 × 10−3 S cm−1 at room temperature. Structural characterization was performed by using X-ray diffraction (XRD) and Fourier transform infrared (FTIR) spectroscope technique. XRD results show the amorphous nature of the electrolyte film. FTIR spectroscopic analysis confirmed the complexation of the salt and plasticizer with the polymer matrix. Differential scanning calorimetry was used to determine the glass transition and melting temperatures of pure CMC and CMC-based polymer electrolyte film.


Carboxymethyl cellulose Lithium salt Ionic conductivity Bio-polymer Solid polymer electrolyte 



The authors are thankful to All India Council of Technical Education (AICTE) for providing research grant under Research Promotion Scheme. One of the authors Shikha Gupta is indebted to Dr. Kanupriya Sachdev, Coordinator, Materials Research Centre, Malaviya National Institute of Technology, Jaipur, for her permission to analyze the samples through X-ray diffractometer, FTIR, in their laboratory. Also special thanks to Dr. Anil Kumar Bhargava, Head, Department of Metallurgical & Materials Engineering, Malaviya National Institute of Technology, Jaipur for DSC characterization. We are grateful to Dean, Faculty of Engineering and Technology, Manav Rachna International University (formerly CITM Faridabad), Faridabad, for his kind support.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Chemistry Department, Faculty of Engineering and TechnologyManav Rachna International Institute of Research and StudiesFaridabadIndia

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