锂离子电池Sn基负极材料研究进展

综述了锂电池用Sn基负极材料近年来的发展现状,着重讨论了Sn基氧化物、Sn基复合氧化物、Sn基合金以及Sn基复合物等Sn基负极材料的制备方法、性能特点、存在问题以及改善途径。指出单一方法难以全面改善Sn基负极材料的性能,综合运用结构优化、成分控制、掺入基质以及优化还原剂、黏合剂和电解质添加剂等途径才能更好地改善Sn基负极材料的电化学性能。最后,对Sn基负极材料的研究趋势进行了展望,并指出以石墨烯为基质的Sn基复合材料是今后研究的重要方向。

Research Progress on Tin-based Anode Materials for Lithium Ion Batteries

The status of development on anode materials for lithium ion batteries in recent years were summarized,focusing on the preparation methods, characteristics, problems and improvement ways of tin-based oxide, tin-based composite oxide, tin-based alloy and tin-based composite, respectively.It indicates that a single approach is difficult to comprehensively improve the performance of the tin-based materials, and an integrated application of various methods such as optimizing the structure, controlling components of the materials, incorporating matrix into the tin-based materials as well as optimizing the reducing agent, binder and electrolyte additives can improve the electrochemical performance of the anode materials.Finally, the research trend in tin-based anode materials is prospected,and also it is pointed out that the tin-based composite materials with graphene as matrix may be one of the most promising research directions for future.