Molecularly Conductive Behavior of Blended Polymer Electrolyte-based CMC/PVA

Authors

Noor Saadiah Mohd Ali, Department of Chemistry, Center for Foundation Studies, International Islamic University Malaysia, 26300 Gambang, Pahang
Dishen Zhang, School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
Yuki Nagao, School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
Ahmad Salihin Samsudin, Ionic Materials Team, Faculty of Industrial Sciences & Technology, University Malaysia Pahang, Lebuhraya Tun Razak, 26300, Kuantan, PahangFollow

Abstract

This study investigated the electrical conduction and structural behavior of blended polymer electrolyte (BPE)-based carboxymethyl cellulose (CMC) and polyvinyl alcohol (PVA) in the development of solid-state electrochemical devices. Based on impedance spectroscopy and correlating Fourier transform infrared (FTIR) with thermogravimetric analysis, a framework was proposed to explain the structural enhancement of the BPE system. As revealed by FTIR, the optimum conductivity of CMC/PVA BPEs was 9.21 × 10−6 Scm−1 for 80:20 composition attributed to the intermolecular attraction between the polymers. Thermal stability of the CMC/PVA was influenced by the formation of a hydrogen bond between the hydroxyl (-OH), carboxylate (-COO-), and ether linkage (-COC-) functional groups. The finding provides insights into blended polymer electrolyte-based CMC/PVA, which is beneficial in designing safe, thin, and lightweight energy storage devices.

Bahasa Abstract

Penilaian Kekonduksian dan CMC/PVA Filem Nipis Polimer Campuran. Karya ini menyelidiki penemuan pengaliran elektrik dan tingkah laku struktur elektrolit polimer campuran (BPEs) berasaskan carboxymethyl cellulose (CMC) dan polivinil alkohol (PVA) ke arah pembangunan peranti elektrokimia keadaan pepejal. Berdasarkan spektroskopi impedans (EIS) dan mengaitkan fourier transform inframerah (FTIR) dengan analisis thermogravimetric (TGA), kami telah menca-dangkan satu rangka kerja untuk menjelaskan peningkatan struktur sistem BPE. Kekonduksian optima CMC/PVA BPEs dicapai ialah 9.21 x 10-6 Scm-1 untuk komposisi 80:20 yang dikaitkan dengan tarikan dengan molekul antara polimer yang telah didedahkan oleh FTIR. Kestabilan haba CMC/PVA didapati dipengaruhi oleh pembentukan ikatan hidrogen antara kumpulan berfungsi hidroksil (-OH), karboksilat (-COO-) dan rantaian ether (-COC-). Penemuan ini memberi beberapa pandangan tentang polimer campuran yang diadaptasi berasaskan CMC/PVA yang bermanfaat dalam mereka bentuk pe-ranti simpanan yang selamat, nipis dan ringan.

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Recommended Citation

Mohd Ali, Noor Saadiah; Zhang, Dishen; Nagao, Yuki; and Samsudin, Ahmad Salihin (2019) "Molecularly Conductive Behavior of Blended Polymer Electrolyte-based CMC/PVA," Makara Journal of Technology: Vol. 23: Iss. 1, Article 4.
DOI: 10.7454/mst.v23i1.3639
Available at: https://scholarhub.ui.ac.id/mjt/vol23/iss1/4