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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9. (a) N-Co/N-Li2O纳米复合材料的制备工艺示意图；(b) M-Co/N-Li2O、SM-Co/N-Li2O和N-Co/N-Li2O复合材料的初始充电电压平台分布图；(c) N-Co/N-Li2O复合材料首圈充电之后的放电电压平台变化；(d)不同含量N-Co/N-Li2O添加剂的LiFePO4半电池首圈充电容量；(e)有无N-Co/N-Li2O添加剂的LiFePO4全电池首圈充放电容量；(f)有无N-Co/N-Li2O添加剂的LiFePO4全电池的循环性能[72]

Fig. 9. (a) Schematic of fabrication process of N-Co/N-Li2O composites; (b) initial charge potential profiles of electrodes made with various Co/Li2O nanocomposites: M-Co/N-Li2O composite, SM-Co/N-Li2O composite and N-Co/N-Li2O composite; (c) charge/discharge potential profiles of N-Co/N-Li2O electrode after first charge process; (d) initial charge potential profiles of LiFePO4 electrodes with different amounts of N-Co/N-Li2O additive in half-cell configurations; initial charge/ discharge potential profiles (e) and cycling performance (f) of LiFePO4/ graphite full cells with and without N-Co/N-Li2O additive[72]