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

页码：10076 / 10081

页数：6

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