Immittance Response on Carboxymethyl Cellulose Blend with Polyvinyl Alcohol- Doped Ammonium Bromide-Based Biopolymer Electrolyte

Abstract

The blended carboxymethyl cellulose (CMC) and polyvinyl alcohol (PVA) doped with various compositions of ammonium bromide (NH4Br)-based solid biopolymer electrolytes (SBEs) were prepared by using the casting method. In this present work, CMC/PVA-NH4Br SBE thin film was used to investigate the electrical conductivity via electrical impedance spectroscopy. The maximum conductivity obtained was 3.21 X 10 −4 S cm −1 for sample AB20 at ambient temperature (303 K), and this result might be due to the increased number of charge carrier. A dielectric study was conducted to understand the conductivity behavior. The electrical properties have been measured as a function of frequency of ɛr, ɛi, Mr, and Mi, indicating a non-Debye type behavior. AbstrakRespon Imitansi pada Campuran Karboksimetil Selulosa dengan Elektrolit Biopolimer Berbasis Amonium Bromida yang Didoping dengan Polivinil Alkohol. Campuran karboksimetil selulosa (CMC) dan polivinil alkohol (PVA) yang didoping dengan berbagai komposisi elektrolit biopolimer padat (SBE) berbasis amonium bromida (NH4Br) dibuat dengan menggunakan metode pengecoran. Di dalam karya tulis ini, film tipis CMC/PVA-NH4Br SBEs yang digunakan untuk menginvestigasi konduktivitas listrik melalui Spektroskopi Impedansi Listrik (Electrical Impedance Spectroscopy (EIS)). Konduktivitas maksimum yang diperoleh dari hasil tersebut adalah 3,21 X 10 -4 S cm -1 untuk sampel AB20 pada temperatur lingkungan (303K) dan hal ini bisa jadi berupa jumlah pembawa muatan yang meningkat. Suatu studi dielektrik dilaksanakan dengan maksud untuk memahami perilaku konduktivitas. Sifat-sifat listrik telah diukur sebagai suatu fungsi frekuensi ɛr, ɛi, Mr dan Mi menunjukkan suatu perilaku tipe non-Debye.

Influence of Lithium Bromide on Electrical Properties in Bio-based Polymer Electrolytes

“…Upon addition of LiBr above 15 wt. %, it shows a decrease in ionic conductivity, which could be due to the neutral aggregation of the ions reassociated, thus leading to the formation of ion clusters, as reported other researchers [12], [13].…”

Ionic Conductiviy of Alginate-NH4Cl Polymer Electrolyte

“…This phenomenon increased protonation and H + release in the SBEs. The increment of H + increased the charge carrier density and mobility of ions in the system, thereby increasing conductivity [33].…”

Correlation Between Structural and Ionic Transport Properties of Lithium-ion Hybrid Gel Polymer Electrolytes Based PMMA-PLA

“…This is due to the provided more space volume for ion mobility, give a large amount of ions transport number, and enhance the mechanical and thermal properties. Moreover, the blending method can be more valuable because of ease of preparation and can control the properties of polymer electrolytes by changing the composition of the blended polymer [24]. It is also known as low-cost production yet could improve the limitation of polymer electrolytes [25].…”