高容量氟掺杂碳包覆纳米硅负极材料: 气相氟化法制备及其储锂性能
苏楠1(
), 邱介山1,3(), 王治宇1,2()
), 邱介山1,3(), 王治宇1,2()
F-doped Carbon Coated Nano-Si Anode with High Capacity: Preparation by Gaseous Fluorination and Performance for Lithium Storage
SU Nan1(), QIU Jieshan1,3(), WANG Zhiyu1,2()
), QIU Jieshan1,3(), WANG Zhiyu1,2()
图7. Si@C和Si@C-F负极在循环(a)前(b)后的电化学阻抗谱图(电流密度为0.4 A·g-1)
Fig. 7. Nyquist plots of the Si@C and Si@C-F anodes (a) before and (b) after cycling at a current density of 0.4 A·g-1
