CAJ | 학술논문

橄榄石型磷酸铁锂(LiFePO_4)作为一种新型锂电池正极材料,因其原料来源丰富、价廉、无毒、理论容量高、热稳定性好以及循环性能好等优点近几年备受关注,是下一代锂离子电池的首选材料.本文简要介绍了磷酸铁锂的橄榄石型结构和电化学性能,比较了不同的制备工艺及方法,并针对其电导率低的缺点对目前采用的改性工艺作了总结.
감람석형린산철리(LiFePO_4)작위일충신형리전지정겁재료,인기원료래원봉부、개렴、무독、이론용량고、열은정성호이급순배성능호등우점근궤년비수관주,시하일대리리자전지적수선재료.본문간요개소료린산철리적감람석형결구화전화학성능,비교료불동적제비공예급방법,병침대기전도솔저적결점대목전채용적개성공예작료총결.
Olivine structure LiFePO_4 as a promising cathode material attracted much attention because of its advantage, such as rich source of cheap raw materials, non-toxic, high theoretical capacity, thermal stability and good cycling performance. Therefore LiFePO_4 is the preferred material of the next generation of lithium-ion battery. Here olivine-type structure and electrochemical performance of LiFePO_4 are presented briefly, while the preparation and modification aimed at the low electronic conductivity are described in detail.