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Modifications of Separators for Li–S Batteries with Improved Electrochemical Performance
Russian Journal of Electrochemistry ( IF 1.2 ) Pub Date : 2020-05-19 , DOI: 10.1134/s1023193520050110
Dezhi Yang , Xiaosong Xiong , Yusong Zhu , Yuhui Chen , Lijun Fu , Yi Zhang , Yuping Wu

Abstract

Lithium–sulfur (Li–S) batteries are widely regarded as one of the promising next-generation secondary energy storage systems. However, some tricky challenges, such as electrically insulating elemental sulfur, shuttle effect and lithium dendrites, have been limiting its practical application. Modification of separators, which is found as a facile and low-cost settlement, has shown great advantages in solving the above three crucial problems, leading to greatly improved performance of Li–S batteries. In this paper, we summarize recent progresses on separators for Li–S batteries including coatings such as carbon materials, polymers, and inorganic materials, and tailoring multi-functional gel separators to achieve Li–S batteries with high performance. The importance and development directions of functional separators in the further commercialization of Li–S batteries are also discussed.



中文翻译:

锂离子电池隔膜的改进电化学性能

摘要

锂硫(Li–S)电池被广泛认为是有前途的下一代二次能源存储系统之一。然而,一些棘手的挑战,例如电绝缘元素硫,穿梭效应和锂树枝状晶体,已经限制了其实际应用。隔离器的修改(一种便捷且低成本的解决方案)在解决上述三个关键问题方面显示出了巨大的优势,从而大大提高了Li-S电池的性能。在本文中,我们总结了用于Li–S电池隔膜的最新进展,包括碳材料,聚合物和无机材料等涂层,并定制了多功能凝胶隔膜以实现高性能的Li–S电池。

更新日期:2020-05-19
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