磷酸铁锂正极材料的功能化研究现状及展望  

Research Status and Prospect of Functionalization of Lithium Iron Phosphate Cathode Materials

作　　者：闫银贤 马航 万邦隆 倪双林 代金凤 Yan Yinxian;Ma Hang;Wan Banglong;Ni Shuanglin;Dai Jinfeng(Research and Development Center,Yunnan Yuntianhua Co.,Ltd.,Kunming 650228,China)

机构地区：[1]云南云天化股份有限公司研发中心,云南昆明650228

出　　处：《云南化工》2023年第9期33-36,F0002,共5页Yunnan Chemical Technology

摘　　要：阐述了磷酸铁锂正极材料固有缺陷的形成原因,重点介绍了碳包覆、体相掺杂、颗粒纳米化、调控微观形貌等改性手段对磷酸铁锂正极材料相关性能的影响,最后展望了磷酸铁锂正极材料在不同应用场景的发展趋势。In this paper,the reasons for the formation of the inherent defects of Lithium iron phosphate cathode materials are described,and the effects of carbon coating,bulk doping,particle nanocrystallization,micro morphology control and other modification methods on the relevant properties of Lithium iron phosphate cathode materials are emphatically introduced.Finally,the development trends of Lithium iron phosphate cathode materials in different application scenarios are prospected.

关 键 词：磷酸铁锂 电子电导率 锂离子扩散速率 振实密度 改性 

分 类 号：TM912[电气工程—电力电子与电力传动]