洋葱碳的制备与应用研究进展

郑艳彬, 姜志刚, 朱品文

Development on the Preparation and Application of Onion-like Carbon

Yan-Bin ZHENG, Zhi-Gang JIANG, Pin-Wen ZHU

表3 金属氧化物负极材料性能比较

Table 3 Performance comparison of metal oxides used as anode materials

Anode materials OLC encapsulation Initial discharge ability of nanoparticles electrode at different rates Cycle performance Ref NiO No NiO, 2C, 558.8 mAh/g 0.5C, 1150 mAh/g (initial discharge) and 383.5 mAh/g (after 50 cycles) [3] Yes NiO/C, 2C, 1105.6 mAh/g 0.5C, 1689.4 mAh/g (initial discharge) and 1157.7 mAh/g (after 50 cycles) CuO No CuO, 1.2C, 178.9 mAh/g 100 mA/g , 270.2 mAh/g (after 50 cycles) [4] Yes CuO/C, 1.2C, 535.6 mAh/g 100 mA/g, 628.7 mAh/g (after 50 cycles) with a high Coulombic efficiency of 98.6% Co3O4 No Co3O4, 2C, 459 mAh/g 1248.8 mAh/g (initial discharge) and 471.5 mAh/g (after 50 cycles) [5] Yes Co3O4/C, 2C, 925 mAh/g 0.5C, 1467.6 mAh/g (initial discharge) and 1026.9 mAh/g (after 50 cycles) SnO2 No / 0.2 mA/cm2, 849 mAh/g (initial discharge) to 123 mAh/g (after 50 cycles) [63] Yes / 0.2 mA/cm2, 755 mAh/g(initial discharge) and 446 mAh/g (after 50 cycles)