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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. CHIA2,3, M.H. HAMSAN4, M.F.Z.
KADIR1,5 & M. F. SHUKUR3,6,*
1Department of Physics, Faculty of Science, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
Diserahkan: 22 Julai 2024/Diterima: 28 Oktober 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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