硫化物固体电解质的研究进展

doi:10.12028/j.issn.2095-4239.2016.0030

摘要/Abstract

摘要： 商业化的锂离子电池大多采用有机液体作为电解质体系，有机液体电解质在电池的工作过程中，会发生泄漏、挥发、燃烧甚至爆炸，存在严重的安全隐患，研究高效、环保、安全的电解质是解决这一问题的主要途径。固体电解质取代传统的液体电解质，不仅可以在传输导锂的同时抑制锂枝晶的生长，而且具有高的机械强度，简化电池的制备工艺，降低电池的制造成本。由于具有以上的优点，固体电解质的研发不断引起人们的广泛关注。本文综述了硫化物固体电解质的研究进展，包括二元和三元硫化物固体电解质，同时讨论了掺杂改性或复合改性对其性能影响，并展望了硫化物固体电解质未来的发展方向。

关键词: 固体电解质, 二元硫化物体系, 三元硫化物体系, 改性, 储能

Abstract: Organic liquids are mostly used as an electrolyte system in commercial lithium-ion batteries. Currently organic liquids electrolytes have certain safety issues caused by the inflammability, explosiveness and leakiness. All solid state lithium ion battreies used inorganic solid electrolytes offer a fundamental solution to the safety issues of conventional lithium ion battreies containing organic electrolytes. The inorganic solid electrolyte has attracted much people's attention recently because of its great advantages: Inhibition the dentrite formation in lithium anodes, the high mechanical robustness, simplification the preparation technology of battery, reducing the manufacturing cost of the battery. This article presents a brief review of the researches on binary sulfide system, ternary sulfide system, preparation and modifications. The prospects of the solid electrolytes are also stated.

Key words: solid electrolyte, binary sulfide system, ternary sulfide system, modification, energy storage

许阳阳，李全国，梁成都，林展. 硫化物固体电解质的研究进展[J]. 储能科学与技术, 2016, 5(5): 649-658.

XU Yangyang, LI Quanguo, LIANG Chengdu, LIN Zhan. Research progress of solid electrolytes[J]. Energy Storage Science and Technology, 2016, 5(5): 649-658.

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