典型文献
Fluorine-Doped Hard Carbon as the Advanced Performance Anode Material of Sodium-Ion Batteries
文献摘要：
F-doping hard carbon (F–HC) was synthesized through a mild fluorination at temperature at relative low temperature as the potential anode for sodium-ion batteries (SIBs). The F-doping treatment to HC expands interlayer distance and creates some defects in the graphitic framework, which has the ability to improve Na + storage capability through the intercalation and pore-filling process a simultaneously. In addition, the electrically conductive semi-ionic C–F bond in F–HC that can be adjusted by the fluorination temperature facilitates electron transport throughout the electrode. Therefore, F–HC exhibits higher specific capability and better cycling stability than pristine HC. Particularly, F–HC fluorinated at 100 ℃ (F–HC100) delivers the reversible capability of 343 mAh/g at 50 mAh/g, with the Coulombic efficiency of 78.13％, and the capacity retention remains as 95.81％ after 100 cycles. Moreover, the specific capacity of F–HC100 returns to 340 mAh/g after the rate capability test demonstrates its stability even at high current density. The enhanced specific capacity of F–HC, especially at low-voltage region, has the great potential as the anode of SIBs with high energy density.
文献关键词：
中图分类号：
作者姓名：
Lingchen Kong;Yu Li;Wei Feng
作者机构：
School of Materials Science and Engineering,Tianjin University,Tianjin 300072,China
文献出处：
引用格式：
[1]Lingchen Kong;Yu Li;Wei Feng-.Fluorine-Doped Hard Carbon as the Advanced Performance Anode Material of Sodium-Ion Batteries)[J].天津大学学报（英文版）,2022(02):123-131
A类：
HC100
B类：
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AB值：
0.62422
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