纸基电池隔膜的制备研究进展及其应用前景

Preparation Research Progress and Application Prospect of Paper-based Battery Separator

电池隔膜是将离子电池正、负极分隔开以防止短路,具有传导电解质离子功能的关键内层组件之一。其中,纸基电池隔膜由于具有更好的尺寸热稳定性、热化学稳定性、润湿性、机械强度和可降解性等优点,得到了广泛关注和深入研究。本文综述了纸基电池隔膜最常用的几种制备方法,包括纯纤维素纤维制备隔膜法、纤维素纤维与其他纤维共混制备隔膜法及其他制备隔膜的方法等;对纸基电池隔膜的孔隙率、机械强度、浸润性、热稳定性等主要性质进行了汇总;并对纸基电池隔膜在绿色电池和可持续能源中的应用前景进行了展望。

The battery membrane is one of the key inner components that can separate the positive and negative electrodes of the ion battery to prevent short circuit and that has the function for conducting electrolyte ions be-tween electrodes.Due to the advantages of better dimensional thermal stability,thermochemical stability,wetta-bility,mechanical strength and degradability,the paper-based battery membrane has received extensive attention and in-depth research in recent years.This paper surveys the current most preparation methods of paper-based battery separator,including pure cellulose fiber membrane preparation method,hybrid method by combining cel-lulose fibers and other organic synthetic fibers and other methods etc.In addition,the most important properties of paper-based battery,including porosity,mechanical strength,wettability,thermal stability etc,have also been summarized.Finally,this paper describes application prospect of paper-based battery separator in the future green battery and the sustainable energy.