Development and characterization of zinc ion conducting biopolymer electrolytes based on cellulose acetate for primary zinc ion batteries

IF 2.8 4区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Journal of Materials Science: Materials in Electronics Pub Date : 2024-10-21 DOI:10.1007/s10854-024-13620-2

B. Bhuvaneswari, M. Sivabharathy, Guru Prasad Lakshmi Narayan, S. Selvasekarapandian

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Abstract

Solid biopolymer electrolytes for zinc primary battery based on cellulose acetate (CA) and zinc chloride (ZnCl₂) have been prepared by solution casting technique with Dimethylformamide (DMF) as the solvent. X-ray diffraction analysis provides that biopolymer membrane 40 wt% of CA:60 wt% of ZnCl₂ shows very high amorphous nature. Complex formation between biopolymer CA with ZnCl₂ has been confirmed by FTIR measurements. Biopolymer membrane 40 wt% of CA:60 wt% of ZnCl₂ shows a high zinc ionic conductivity of 3.04 × 10^–3 S/cm calculated from impedance measurements. Wagner’s Polarization measurements indicates that charge carriers are ions and the highest zinc ionic conductivity membrane has got low glass transition temperature 35 °C determined by DSC studies. The electrochemical stability of the highest zinc ion conductivity membrane is found to be 2.15 V by LSV technique. The cyclic stability of the prepared membrane has been determined by cyclic voltammetry analysis. Transport parameters such as Diffusion constant (D), mobility (μ) and relaxation time (τ) have been calculated for the biopolymer electrolytes. A primary zinc ion battery has been constructed using zinc plate as anode, highest zinc ion conducting membrane as an electrolyte and MnO₂ as cathode shows an open-circuit voltage 1.55 V. The performance of the battery has been studied with various loads.

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开发和表征基于醋酸纤维素的锌离子导电生物聚合物电解质，用于一次锌离子电池

以二甲基甲酰胺（DMF）为溶剂，通过溶液浇铸技术制备了基于醋酸纤维素（CA）和氯化锌（ZnCl2）的锌原电池固体生物聚合物电解质。X 射线衍射分析表明，40 wt% 的醋酸纤维素：60 wt% 的氯化锌的生物聚合物膜具有很高的无定形性。傅立叶变换红外光谱测量证实了生物聚合物 CA 与氯化锌之间形成的络合物。根据阻抗测量计算，40 wt% CA:60 wt% ZnCl2 的生物聚合物膜具有 3.04 × 10-3 S/cm 的高锌离子电导率。瓦格纳极化测量结果表明，电荷载体是离子，而且经 DSC 研究确定，锌离子电导率最高的膜的玻璃化转变温度较低，为 35 ℃。通过 LSV 技术发现，最高锌离子导电膜的电化学稳定性为 2.15 V。通过循环伏安分析确定了所制备膜的循环稳定性。计算了生物聚合物电解质的传输参数，如扩散常数 (D)、迁移率 (μ) 和弛豫时间 (τ)。以锌板为阳极，最高锌离子导电膜为电解质，二氧化锰为阴极，构建了一个初级锌离子电池，其开路电压为 1.55 V。

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来源期刊

Journal of Materials Science: Materials in Electronics 工程技术-材料科学：综合

CiteScore

5.00

自引率

7.10%

发文量

1931

审稿时长

2 months

期刊介绍： The Journal of Materials Science: Materials in Electronics is an established refereed companion to the Journal of Materials Science. It publishes papers on materials and their applications in modern electronics, covering the ground between fundamental science, such as semiconductor physics, and work concerned specifically with applications. It explores the growth and preparation of new materials, as well as their processing, fabrication, bonding and encapsulation, together with the reliability, failure analysis, quality assurance and characterization related to the whole range of applications in electronics. The Journal presents papers in newly developing fields such as low dimensional structures and devices, optoelectronics including III-V compounds, glasses and linear/non-linear crystal materials and lasers, high Tc superconductors, conducting polymers, thick film materials and new contact technologies, as well as the established electronics device and circuit materials.