Structural, morphological, ionic conductivity, and thermal properties of pectin-based polymer electrolytes

J. P. Mendes, J. M.S.S. Esperança, M. J. Medeiros, A. Pawlicka, M. M. Silva

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

New polymer electrolytes (PEs), potentially interesting for solid-state electrochemical devices applications, were synthesized by a solvent casting method using pectin and ionic liquid (IL) N,N,N-trimethyl-N-(2-hydroxyethyl)ammonium bis(trifluoromethylsulfonyl)imide ([N1 1 1 2(OH)] [NTf2]. The resulting electrolytes besides being moderately homogenous and thermally stable below 155°C, they also exhibited good mechanical properties. The SPE membranes were analyzed by differential scanning calorimetry (DSC), X-ray diffraction (XRD), scanning electron microscopy (SEM), atomic force microscopy (AFM), and complex impedance spectroscopy.

Original languageEnglish
Pages (from-to)266-273
Number of pages8
JournalMolecular Crystals and Liquid Crystals
Volume643
Issue number1
DOIs
Publication statusPublished - 22 Jan 2017

Keywords

  • Ionic liquid
  • pectin
  • polymer electrolyte
  • solid-state electrochemical devices

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