摘要
锂离子电池是目前应用最广的充电电池,磷酸铁锂是锂离子电池中占比最大的正极材料,高温固相法是制备磷酸铁锂最主要的方式,而原料对磷酸铁锂的性能具有很大的影响。通过对高温固相法制备磷酸铁锂的专利技术进行分析,具体分析了制备过程中所采用的原料种类和粒径,以期为后续研究者提供一些技术参考。
Lithium ion batteries are the most widely used rechargeable batteries at present.Lithium iron phosphate is the largest cathode material used in lithium ion batteries.High temperature solid-state method is the main way to prepare lithium iron phosphate,and the raw materials have a great impact on the performance of lithium iron phosphate.Patent is the most valuable technology believed by the industry researchers.In this paper,patents of lithium iron phosphate prepared by high-temperature solid-state method are analyzed,and the kinds and size of raw materials used in the preparation process are analyzed in detail,in order to provide some technical help for the follow-up researchers.
作者
侯琴
张竞赛
HOU Qin;ZHANG Jinsai(Patent Examination Cooperation(Tianjin)Center of Patent Office,CNIPA,Tianjin 300304,China)
出处
《山西化工》
2019年第6期47-49,共3页
Shanxi Chemical Industry
关键词
锂离子电池
磷酸铁锂
原料
专利
lithium ion batteries
lithium iron phosphate
raw materials
patent