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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()
Research progress in LiFePO4 cathode material modification
Xiaohan FENG1(), Jie SUN1,2(), Jianhao HE2, Yihua WEI2, Chenggang ZHOU1(), Ruimin SUN1()

图6. (a) 喷雾干燥法制备MT-LFP材料流程图；(b),(c) 纯LFP的SEM的图；(d),(e) MT-LFP的SEM图；(f) LFP和MT-LFP的氮气吸脱附曲线；(g) LFP和MT-LFP样品的孔径分布曲线；(h),(i) LFP和MT-LFP在不同倍率下的充放电曲线；(j) LFP和MT-LFP在不同电流密度下的倍率性能；LFP和MT-LFP正极在(k) 0.5 C、(l) 1 C和(m) 5 C倍率下的循环性能[30]

Fig. 6. (a) Schematic illustration of te synthesis process of MT-LFP materials; SEM images of the as-prepared undoped LFP (b) and (c); MT-LFP (d) and (e); Nitrogen adsorption (closed symbols)-desorption (open symbols) isotherms (f); pore diameter distribution curves (g) of as-prepared undoped LFP and MT-LFP samples; (h) charge-discharge curves of LFP and (i) MT-LFP at different rates; (j) rate capabilities of LFP and MT-LFP at various rates; cycling performance of LFP and MT-LFP cathodes at a charge/discharge rate of 0.5 C (k), 1 C (l), and 5C (m)[30]