Sains Malaysiana 53(12)(2024): 3329-3338

http://doi.org/10.17576/jsm-2024-5312-16

 

Kesan Azanium Iodida terhadap Sifat Konduktif Elektrolit Berasaskan Polimer Campuran Poli(Etenol)-Selulosa Metil Eter

(Effect of Azanium Iodide on the Conductive Properties of Poly(Ethenol)-Methyl Ether of Cellulose Blend Based Electrolytes)

 

N.A. SHAMSURI¹, J.J. CHIA^2,3, M.H. HAMSAN⁴, M.F.Z. KADIR^1,5 & M. F. SHUKUR^3,6,*

 

¹Department of Physics, Faculty of Science, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
²Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia, 54100 Kuala Lumpur, Malaysia
³Department of Fundamental and Applied Sciences, Universiti Teknologi PETRONAS, Seri 32610 Iskandar, Perak, Malaysia
⁴Pusat Pengajian Citra Universiti, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
⁵Universiti Malaya Centre for Ionic Liquids (UMCiL), Universiti Malaya, 50603 Kuala Lumpur, Malaysia
⁶Centre of Innovative Nanostructures and Nanodevices (COINN), Universiti Teknologi PETRONAS, 32610 Seri Iskandar, Perak, Malaysia

 

Received: 22 July 2024/Accepted: 28 October 2024

 

Abstrak

Elektrolit polimer pepejal (EPP) telah menarik perhatian sebagai pengganti yang berpotensi disebabkan oleh kelenturan mekanikal yang ketara, kebolehterusan proses yang mudah, membolehkan pembentukan peranti penyimpanan yang selamat, ringkas dan mudah dibentuk. Dalam kajian ini, suatu sistem EPP yang terdiri daripada poli(etenol) (PE) dan selulosa metil eter (SME) telah disediakan melalui teknik pelapisan larutan. Pelbagai peratus berat (% bt.) azanium iodida (AI) telah digabungkan dengan EPP PE/SME sebagai pembekal ion untuk meningkatkan kekonduksian ion. Interaksi antara EPP PE/SME dan AI telah dianalisis melalui analisis spektroskopi inframerah transformasi Fourier (FTIR). Daripada mikroskopi imbasan elektron penyerakan medan (FESEM), didapati bahawa kandungan AI telah memberi kesan yang signifikan terhadap morfologi EPP lalu meningkatkan kekonduksian ion EPP. Pengaruh AI ke atas sifat elektrik EPP telah dikaji lebih lanjut melalui spektroskopi impedans elektrokimia (EIS). Penggabungan 40 %bt. AI telah mengoptimumkan kekonduksian suhu bilik elektrolit kepada (2.34 ± 0.48) × 10^-5 S cm^-1.

 

Kata kunci: Azanium iodida; elektrolit campuran polimer; kekonduksian; poli(etenol); selulosa metil eter

 

Abstract

Solid polymer electrolytes (SPEs) have garnered interest owing to their notable mechanical flexibility and straightforward processability, enabling the creating of secure, compact and pliable storage devices. In this study, an SPE system consisting of poly(ethenol) (PE) and methyl ether of cellulose (MEC) was prepared via solution casting technique. Various weight percentage (wt.%) of azanium iodide (AI) were incorporated into the PE/MEC SPEs. The interaction between the PE/MEC SPEs and AI were analyzed by Fourier-transform infrared spectroscopy (FTIR) analysis. From field emission scanning electron microscopy (FESEM), AI contents had significantly affected the morphology of SPEs which improved the ion conductivity. The influence of AI on the electrical properties of SPEs were further studied by electrochemical impedance spectroscopy (EIS). Incorporation of 40 wt.% of AI has optimized the room temperature conductivity of the electrolyte to (2.34 ± 0.48) × 10^-5 S cm^-1.

Keywords: Azanium iodide; conductivity; methyl ether of cellulose; polymer blend electrolyte; poly(ethenol)

 

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*Corresponding author; email: mfadhlullah.ashukur@utp.edu.my