摘要
磷酸铁锂材料具有良好的循环性、热稳定性、环保性,在锂离子电池正极材料中已得到广泛研究。由于该材料电导率低、锂离子扩散速率慢等缺点影响其在电池领域的发展。介绍了锂离子电池正极材料磷酸铁锂的基本结构、制备方法以及针对其材料的不足而进行的材料改性方法,同时对目前磷酸铁锂材料存在的问题及前景进行了综述,分析了改善磷酸铁锂材料性能的途径,并展望了磷酸铁锂正极材料未来的发展趋势。
Lithium iron phosphate(LiFePO 4)materials have been widely used as cathode materials for lithium-ion batteries due to their good cycling performance,thermal stability and environmental protection.However,duing to its low conductivity and slow lithium ion diffusion rate,its development in the field of battery is affected.The basic structure,preparation and modification methods of LiFePO 4 are introduced.The existing problems and prospects of LiFePO 4 at present are summarized,the methods to improve the performance of LiFePO 4 are analyzed,and the future development trend is prospected.
作者
常龙娇
梁栋
罗绍华
刘佳囡
CHANG Long-jiao;LIANG Dong;LUO Shao-hua;LIU Jia-nan(College of Chemistry and Materials Engineering,Bohai University,Jinzhou 121013,Liaoning,China;College of Resources and Materials,Northeastern University at Qinghuangdao,Qinghuangdao,066004,Hebei,China)
出处
《矿冶》
CAS
2021年第2期111-117,共7页
Mining And Metallurgy
基金
国家自然科学基金资助项目(51804035)
辽宁省自然基金资助项目(2019-ZD-0507)
辽宁省教育厅项目(LQ2020012)。
