木质纤维素基凝胶电解质的研究进展

Research advances on lignocellulose-based gel electrolytes

电解质作为电池以及电容器等电子设备的组成部件之一,为电子设备充放电过程提供了稳定的离子通道,然而,传统液体电解质材料存在易泄漏及易受环境因素影响等问题,限制了电解质进一步的应用与发展。凝胶电解质是一种具有突出机械性能和优异离子电导率的电解质材料,其中木质纤维素基凝胶电解质具有高柔韧性、机械强度良好和电荷传输快速等物理化学性能,为凝胶电解质的研究带来了新机遇。综述了近年来包括纤维素、木质素及木质纤维素在凝胶电解质领域的制备工艺及研究进展,总结并展望了木质纤维素基凝胶在制备及功能化应用方面的优势、不足及发展方向,以期为木质纤维素基凝胶电解质的研究提供借鉴。

Electrolyte,as one of the components of battery,capacitor and other electronic equipment,provides a stable ion channel for the charging and discharging process of electronic equipment such as battery and capacitors.However,traditional liquid electrolytes are prone to leakage and influence of environmental factors,which restricted their further application and development.Gel electrolyte is a kind of electrolyte material with outstanding mechanical properties and excellent ionic conductivity,of which lignocellulosic gel electrolyte exhibited high flexibility,good mechanical strength,fast charge transfer ability and other physico-chemical properties,indicating new opportunities for the electrolyte research.Herein,the preparation technology and research progress of cellulose,lignin and lignocellulose in the field of gel electrolyte were introduced.The advantages,disadvantages and future development directions of lignocellulose gel in preparation and functional applications were also summarized and proposed to provide reference for the research of lignocellulose gel electrolytes.