锂硫电池多功能涂层隔膜的研究进展与展望

doi:10.13208/j.electrochem.200647

摘要/Abstract

摘要：

先进储能系统的开发对于满足电动汽车、便携式设备和可再生能源存储不断增长的需求至关重要. 锂硫（Li-S）电池具有比能量高、原材料成本低和环境友好等优点,是新型高性能电池研究领域中的热点. 然而,锂硫电池面向实际应用还存在许多问题,如可溶性多硫化物中间体的穿梭效应、锂枝晶生长以及锂硫电池在使用过程中的热稳定性和安全性等. 设计开发多功能涂层隔膜是改善锂硫电池上述不足的有效策略之一,在本综述中,详细论述了锂硫电池多功能涂层隔膜的研究进展. 包括聚合物材料、碳材料、氧化物材料、催化纳米粒子改性的功能化涂层隔膜及增强电池热稳定性、安全性的特种功能隔膜,对其作用特性进行了系统分析,并对未来研究发展提出展望.

关键词: 锂硫电池, 功能涂层隔膜, 穿梭效应, 锂枝晶, 热安全

Abstract:

The development of advanced energy storage systems is crucial to meet the growing demand for electric vehicles, portable devices and renewable energy storage. Lithium-sulfur (Li-S) batteries, with their advantages of high specific energy, low cost of raw materials and environmental friendliness, are hotspots in the research field of new high performance batteries. However, there are still many problems which hinder the practical applications of lithium-sulfur batteries, such as the shuttle effect of soluble polysulfide intermediates, the growth of lithium dendrites, and the thermal stability and safety of lithium-sulfur batteries during use. The design of multifunctional coating separator is one of the effective strategies to improve the above deficiencies of lithium-sulfur batteries. In this review, the research progress of multifunctional coating separators for lithium-sulfur batteries is discussed in detail, which include polymer materials, carbon materials, oxide materials, functionalized coating separators modified by catalytic nanoparticles and special functional separators to enhance the thermal stability and safety of the battery. The characteristics of its function are systematically analyzed, and the future research and development are also prospected.

Key words: lithium-sulfur battery, functional coating separator, shuttle effect, lithium dendrites, thermal safety

中图分类号:

O646

魏壮壮, 张楠祥, 吴锋, 陈人杰. 锂硫电池多功能涂层隔膜的研究进展与展望[J]. 电化学（中英文）, 2020, 26(5): 716-730.

WEI Zhuang-zhuang, ZHANG Nan-xiang, WU Feng, CHEN Ren-jie. Progress and Prospects on Multifunctional Coating Separators for Lithium-Sulfur Battery[J]. Journal of Electrochemistry, 2020, 26(5): 716-730.

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