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, 邱介山, 王治宇

F-doped Carbon Coated Nano-Si Anode with High Capacity: Preparation by Gaseous Fluorination and Performance for Lithium Storage

SU Nan, QIU Jieshan, WANG Zhiyu

表1 Si@C-F负极与文献报道硅负极的电化学性能比较

Table 1 Comparison of Si@C-F anode with reported Si-based anode in electrochemical performance

Materials Initial CE Initial capacity/(mAh·g-1) Capacity retention Ref. Si@C-F 65.9% 2640 85% (100 cycles) 75 % (cycles) This work nano-Si/TiN@ carbon 71% 2716 59.4% (110 cycles) [20] Si@C@RGO 74.5% 1474 48.9% (40 cycles) [21] Si@FA 65% 1334 68.7% (100 cycles) [22] p-Si@C 58% 3460 57.5% (100 cycles) [23] Si@void@C - 900 70% (100 cycles) [24] Si/C@C - 1120 80% (100 cycles) [25]