期刊
RSC ADVANCES
卷 6, 期 112, 页码 110850-110857出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ra24386j
关键词
-
资金
- National Natural Science Foundation of China [21506131]
- Science and Technology Support Program of Sichuan Province [2014GZ0095, 2015RZ0057]
A facile and manageable method has been developed to prepare fluorine-doped mesoporous carbon by carbonizing polyvinylidene fluoride, a fluorine-contained carbon precursor, with a silica template for the first time. And it is argued that the F contents depend directly on carbonization temperatures. A mesoporous carbon with a high F-content of 8.35 at% is obtained at a low carbonization temperature of 500 degrees C. The fluorine-rich mesoporous carbon (FMC) possesses an enlarged interlayer spacing of 0.402 nm, an enhanced electrical conductivity and a mesopore based structure, exhibiting a remarkable electrochemical energy storage performance evaluated as a NIB anode, such as a high stable reversible capacity of 385 mA h g(-1) at 100 mA g(-1), a satisfactory initial coulombic efficiency of 59% and a high rate capability of 116 mA h g(-1) at 5 A g(-1).
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