天然鳞片石墨球化尾料的高性能负极材料制备及储锂特性研究

周向阳, 胡颖杰, 梁家浩, 周其杰, 文康, 陈松, 杨娟, 唐晶晶

Preparation and lithium storage characteristics of high-performance anode materials based on spheroidized tailings of natural flake graphite

Xiangyang ZHOU, Yingjie HU, Jiahao LIANG, Qijie ZHOU, Kang WEN, Song CHEN, Juan YANG, Jingjing TANG

表7 H-SG/C复合材料0.1 C倍率下的电化学性能

Table 7 Electrochemical properties of H-SG/C composites at 0.1 C rate

Sample name Discharge capacity/(mAh/g) Charge capacity/(mAh/g) Efficiency/% Before purification 367.0 306.8 83.59 After purification 395.2 340.3 86.10 H-SG/C-2 395.8 347.4 87.77 H-SG/C-5 389.5 349.7 89.79 H-SG/C-10 384.1 350.9 91.36 H-SG/C-15 387.7 355.3 91.64