锂离子电容器正极材料的研究进展  

Research progress of cathode materials for lithium ion capacitors

作　　者：赵基钢[1] 王赫 郑俊生[2,3] Jigang ZHAO;He WANG;Junsheng ZHENG(International Joint Research Center for Green Energy Chemical Engineering,East China University of Science and Technology,Shanghai 200237,China;Clean Energy Automotive Engineering Center,Tongji University,Shanghai 201804,China;College of Automotive Studies,Tongji University,Shanghai 201804,China)

机构地区：[1]华东理工大学绿色能源化工国际联合研究中心,上海200237 [2]同济大学新能源汽车工程中心,上海201804 [3]同济大学汽车学院,上海201804

出　　处：《材料工程》2023年第9期28-36,共9页Journal of Materials Engineering

基　　金：国家自然科学基金项目(51777140);科技部科技支撑项目(2015BAG06B00);同济大学中央高校基本科研业务专项资金(22120180519)。

摘　　要：锂离子电容器是介于锂离子电池和超级电容器两者之间的储能器件,兼具高能量密度和高功率密度,被认为是最有前途的电能储存系统之一。本文总结近年来碳基和嵌锂型正极材料的研究进展,详细介绍碳基和嵌锂型电极材料的分类和改性方法。为提高锂离子电容器的使用性能,通过微观结构调控、表面修饰、掺杂改性及复合材料等手段进一步优化正极材料,进行正负极动力学匹配,综合提高其电化学性能。最后梳理出未来锂离子电容器正极材料的研究热点集中在对正极材料微观结构的调控优化、元素掺杂和表面改性以及与其他材料复合等方面,并指出未来发展方向在于优化碳材料的结构与组成、克服倍率和循环性能的限制以及开发在高压下更稳定的正极材料等。Lithium-ion capacitors are energy storage devices between lithium-ion batteries and supercapacitors,which have both high energy density and high power density,and are considered as one of the most promising energy storage systems.In this paper,the research progress of carbon-based and lithium-embedded cathode materials in recent years was summarized,and the classification and modification methods of carbon-based and lithium-embedded electrode materials were introduced in detail.In order to further improve the performance of lithium-ion capacitors,researchers further optimized the cathode materials by means of microstructure regulation,surface modification,doping modification and composite materials,and carried out cathode and anode dynamic matching to comprehensively improve the electrochemical performance of lithium-ion capacitors.Finally,the research hotspots and development directions of cathode materials for lithium-ion capacitors in the future were reviewed in order to provide good electrochemical properties for the next generation of cathode materials for commercial applications.

关 键 词：碳材料 嵌锂型材料 锂离子电容器 研究进展 

分 类 号：TM91[电气工程—电力电子与电力传动]