Solid Biopolymer Electrolytes Based on Cellulose Acetate and Ionic Liquid 1-Hexyl-3-methylimidazolium Iodide for Sustainable Electrochemical Devices

Q3 Materials Science

Macromolecular Symposia Pub Date : 2025-04-14 DOI:10.1002/masy.202400272

Sushant Kumar, Neelam Rawat, Manoj K. Singh, M. Z. A. Yahya, Pramod K. Singh

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引用次数: 0

Abstract

The objective of this research is to synthesize and thoroughly investigate polymer electrolyte films for energy applications by blending biopolymer cellulose acetate (CA) with ionic liquid 1-hexyl-3-methylimidazolium iodide (HMIMI). Polymeric films based on biopolymer cellulose acetate are produced by blending various amounts of ionic liquid (HMIMI) using the solution cast method. The structural, electrical, and dielectric properties of the synthesized films are evaluated using various characterization techniques, including XRD, FTIR, electrochemical impedance spectroscopy, linear sweep voltammetry, and Wagner polarization method. The film containing 1.8 g of HMIMI exhibits a peak conductivity of 5.60 × 10⁻⁴ S cm⁻¹ and an electrochemical stability range of 3.3 V. In addition, the dielectric characteristics of the CA–HMIMI polymeric films are investigated, including the dielectric constant (κ) and the variation of the real and imaginary components of the dielectric constant with frequency.

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基于醋酸纤维素和离子液体1-己基-3-甲基咪唑碘的固体生物聚合物电解质用于可持续电化学装置

本研究的目的是通过将生物聚合物醋酸纤维素（CA）与离子液体 1-己基-3-甲基碘化咪唑（HMIMI）混合，合成并深入研究用于能源应用的聚合物电解质薄膜。采用溶液浇注法混合不同量的离子液体（HMIMI），制备了基于生物聚合物醋酸纤维素的聚合物薄膜。利用各种表征技术，包括 XRD、傅立叶变换红外光谱、电化学阻抗光谱、线性扫描伏安法和瓦格纳极化法，对合成薄膜的结构、电学和介电性能进行了评估。此外，还研究了 CA-HMIMI 聚合物薄膜的介电特性，包括介电常数 (κ)、介电常数的实分量和虚分量随频率的变化。

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来源期刊

Macromolecular Symposia Materials Science-Polymers and Plastics

CiteScore

1.50

自引率

0.00%

发文量

226

期刊介绍： Macromolecular Symposia presents state-of-the-art research articles in the field of macromolecular chemistry and physics. All submitted contributions are peer-reviewed to ensure a high quality of published manuscripts. Accepted articles will be typeset and published as a hardcover edition together with online publication at Wiley InterScience, thereby guaranteeing an immediate international dissemination.