锂离子电池正极材料Li_2MSiO_4的研究进展  

Research progress in Li-ion battery cathode material Li_2MSiO_4

作　　者：黄锋涛[1] 徐丹[1] 舒杰[1] 水淼[1] 

机构地区：[1]宁波大学材料科学与化学工程学院,浙江宁波315211

出　　处：《电池》2011年第3期165-167,共3页Battery Bimonthly

摘　　要：介绍了橄榄石型Li2MSiO4(M=Fe、Mn和Co)的结构和充放电机理;综述了Li2MSiO4的制备方法,包括高温固相法、溶胶-凝胶法、水热法和微波法等;简述了Li2MSiO4改性研究的现状,如降低颗粒尺寸、提高导电率等。The structure and charge-discharge mechanism of olivine-type crystal Li2MSiO4（M=Fe,Mn and Co） were presented.The preparation methods of Li2MSiO4 were reviewed including high temperature solid state method,sol-gel method,hydrothermal method and microwave method.The modification research status quo of Li2MSiO4,such as reducing particle size and increasing conductivity was summarized.

关 键 词：正硅酸铁锂(Li2FeSiO4) 正硅酸锰锂(Li2MnSiO4) 正硅酸钴锂(Li2CoSiO4) 合成 

分 类 号：TM912[电气工程—电力电子与电力传动]