石墨烯纳米复合材料制备及其在锂离子电池中的应用进展

Advances in the Preparation of Graphene Nanocomposites and Their Application to Lithium-ion Batteries

近年来,锂离子电池因其具有较高充放电效率、无记忆效应、环保污染小等优点,成为当下电池研发方向的热点。石墨烯因其较好的导电性、较大的比表面积和良好的化学稳定性,并且其衍生物(GO、RGO)可以与纳米材料相互协同作用,是高效、高性能锂离子电池电极复合材料的理想之选。该文综述了目前主要的石墨烯纳米复合材料的制备方法,分析了石墨烯及其衍生物特性以及锂离子电池石墨烯纳米复合材料的性能和特点,最后对其在锂离子电池中的应用发展方向以及前景进行了展望。

In recent years,lithium-ion batteries have become a hotspot in the direction of current battery research and development due to its advantages of high charging and discharging efficiency,no memory effect,and low environmental pollution.Graphene is ideal for high-efficiency and high-performance lithium-ion battery electrode composites due to its better electrical conductivity,large specific surface area and good chemical stability,and its derivatives(GO,RGO)can synergize with each other and with nanomaterials.This paper reviews the main preparation methods of graphene nanocomposites,analyzes the properties of graphene and its derivatives as well as the performance and characteristics of graphene nanocomposites for lithium-ion batteries,and finally looks forward to the direction of development as well as the prospect of its application in lithium-ion batteries.