LiFePO4锂离子电池的性能测试.pdf

38 4 Vol138, o14 2008 8 BATT ERY BIMO THLY Aug1, 2008 LiFePO 4 1, 2 1, 2 1 2, 3 杨 瑞 ,李述中 , 王德民 , 杨书廷 ( 11 新乡市中科科技有限公司, 河南 新乡 453007;21 河南省新能源材料工程研究中心, 河南 新乡 453007; 31 河南师范大学化学与环境科学学院, 河南 新乡 453007) : 以改性LiFePO 包覆碳为电极活性材料, 制备了额定容量为1000 mAh 的18650型锂离子电池电池的工作平台电 4 压为310~ 31 3 V;015 C 循环1 000次后和10 C 循环100 次后的容量分别为额定容量的90%以上和 60% : LiFePO ; 锂离子电池; 快速充放电; 安全性 4 : TM9121 9 : A : 1001- 1579( 2008)04- 0206- 03 Performance test of LiFePO L-i ion battery 4 1, 2 1, 2 1 2, 3 YA G Rui , LI Shu-zhong ,WA G De-min ,YA G Shu-ting ( 11X inxiang Zhongke Science Technology Co1, Ltd1, Xinxiang, Henan 453007, China; 21 Research Institute of ew Energy Material Engineering of Henan Prov ince, Xinxiang,Henan 453007, China; 31 College of Chemistry and Environmental Science,Henan ormal University ,X inxiang, Henan 453007, China) Abstract: 18650 type L-i ion battery with nominal capacity of 1000 mAh was prepared using modified LiFePO and coated carbon 4 as electrode active materials1The operating voltage platform of the battery was 31 0 ~ 313 V1The capacity after 1 000 times of 01 5 C cycle and after 100 times of 10 C cycle was above 90% and 60% of the nominal capacity,respectively1 Key words: LiFePO ; L-i io