Guanine-Derived Nitrogen-Doped Ordered Mesoporous Carbons for Lithium-Ion Battery Anodes

被引：10
|
作者：
Wu, Guiming [1 ,2 ]
Shao, Chunfeng [1 ,2 ]
Qiu, Shujun [1 ,2 ]
Chu, Hailiang [1 ,2 ]
Zou, Yongjin [1 ,2 ]
Xiang, Cuili [1 ,2 ]
Zhang, Huanzhi [1 ,2 ]
Xu, Fen [1 ,2 ]
Sun, Lixian [1 ,2 ]
机构：
[1] Guilin Univ Elect Technol, Guangxi Key Lab Informat Mat, Guangxi Collaborat Innovat Ctr Struct & Property, 1 Jinji Rd, Guilin 541004, Peoples R China
[2] Guilin Univ Elect Technol, Sch Mat Sci & Engn, 1 Jinji Rd, Guilin 541004, Peoples R China
来源：
CHEMISTRYSELECT | 2017年 / 2卷 / 31期
关键词：
Anode; Carbon material; Electrochemistry; Lithium-ion batteries; Nitrogen doping; PERFORMANCE ELECTRODE MATERIALS; ELECTROCHEMICAL ENERGY-STORAGE; POROUS CARBON; SUPERIOR LITHIUM; SUPERCAPACITORS; CAPACITY; NANOFIBERS; NANOSHEETS; SPHERES; SULFUR;
D O I：
10.1002/slct.201702126
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this study, nitrogen-doped ordered mesoporous carbons (NOMCs) were synthesized by using low-molecular-weight phenolic resin precursors (resol) as carbon source, guanine as nitrogen source and SBA-15 as hard template. Controlling the amount of guanine, NOMC with moderate nitrogen content (8.76 wt%) and specific surface area (1020 m(2) g(-1)) was obtained. The nitrogen atoms were incorporated into the carbon matrix in the form of pyridinic and graphitic nitrogen species. Used as lithium ion battery anode, it has a reversible capacity of 562.4 mA h g(-1)at current density of 100 mA g(-1) after 100 cycles. Moreover, it exhibits enhanced rate performance. The improved electrochemical properties can be ascribed to the nitrogen-doped frameworks and ordered mesoporous structure.
引用
收藏
页码：10076 / 10081
页数：6
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