碳浴焙烧工艺合成LiFePO_4/C正极材料

SYNTHESIS OF CATHODE MATERIAL LiFePO_4/C WITH A CARBON BATH CALCINING PROCESS

采用碳浴焙烧工艺合成出了磷酸铁锂正极材料,并对材料进行了X射线衍射(XRD)、扫描电子显微镜(SEM)表征和恒电流充放电测试.结果表明,碳浴焙烧工艺可以用于合成晶相好、颗粒细小均匀的LiFePO4,且在0.1C倍率下充放电容量可达120 mAh/g以上.

By using a novel carbon bath calcining process,the cathode mayerials,lithium iron phosphate,for lithium ion battery has been synthesized successfully.The material was characterized by powder X-ray diffraction,scanning electron microscopy,and evaluated by charge-discharge test at 0.1 C.It showed that the material synthesized with carbon bath calcining process has good crystal phase,fine and uniform particles,and the capacity could reach up to 120 mAh/g at 0.1 C.