磷酸铁锂正极材料改性研究进展
冯晓晗1(
), 孙杰1,2(), 何健豪2, 魏义华2, 周成冈1(), 孙睿敏1()
), 孙杰1,2(), 何健豪2, 魏义华2, 周成冈1(), 孙睿敏1()
Research progress in LiFePO4 cathode material modification
Xiaohan FENG1(), Jie SUN1,2(), Jianhao HE2, Yihua WEI2, Chenggang ZHOU1(), Ruimin SUN1()
), Jie SUN1,2(), Jianhao HE2, Yihua WEI2, Chenggang ZHOU1(), Ruimin SUN1()
图3. (a)～(c) LiFePO4在253～313 K温度下1.4 mV/s、2.8 mV/s和4.2 mV/s不同扫描速率下的循环伏安曲线；(d)～(f) (111)、(211)、(020)、(311)和(121)晶面在1.4 mV/s、2.8 mV/s和4.2 mV/s扫速下的X射线衍射图像(XRD)，相应的电流曲线绘制在右侧；(g)～(I) 在1.4 mV/s、2.8 mV/s和4.2 mV/s扫速下的XRD图[
Fig. 3. (a)～(c) CV curves of LiFePO4 under different scan rates of 1.4 mV/s, 2.8 mV/s, and 4.2 mV/s at temperature ranging from 253～313 K; (d)～(f) image plot of diffraction patterns for (111), (211), (020), (311), and (121) reflections during two CV cycles under different scan rates of 1.4 mV/s, 2.8 mV/s, and 4.2 mV/s at a temperature of 293 K, corresponding current curves are plotted to right; LFP represent for LiFePO4; (g)～(i) selected individual diffraction patterns for two CV cycles at 1.4 mV/s, 2.8 mV/s, and 4.2 mV/s[
