磷酸铁锂正极材料的合成与表征技术  

Synthesis and characterization technique of LiFePO_4 cathode material

作　　者：桑俊利[1] 王巧娟[2] 郭西凤[1] 

机构地区：[1]天津化工研究设计院,天津300131 [2]天津金牛电源材料有限责任公司

出　　处：《无机盐工业》2008年第2期13-16,共4页Inorganic Chemicals Industry

摘　　要：橄榄石型磷酸铁锂正极材料具有原料来源丰富、价廉、无毒、环境友好、理论容量高、热稳定性和循环性能好等特点,有望成为新一代锂离子电池正极材料。综述了高温固相反应法、溶胶-凝胶法、微波合成法、水热合成法和共沉淀法制备磷酸铁锂的方法。并详细说明了磷酸铁锂的红外光谱、扫描电镜、X射线衍射和电化学性能研究等表征技术。The olivine lithium iron phosphate （ LiFePO4 ） has the potential to be a new commercial cathode material for lithium ion battery due to its abundant resources, low cost, non- toxicity, environmental benignancy, high theoretical capacity,good thermal stability and excellent cycling performance. The synthetic methods of LiFePO4, such as high temperature solid state reaction method, sol -gel method, microwave radiation method, hydrothermal method and co- precipitation method, were summarized. The characterization techniques of LiFePO4, such as IR, SEM, XRD and electrochemical property analysis etc. were introduced in detail.

关 键 词：磷酸铁锂 正极材料 制备 表征 

分 类 号：TQ131.11[化学工程—无机化工]