Exceptional electrochemical performance of nitrogen-doped porous carbon for lithium storage

被引：101

作者：

Wang, Heng-guo ^{[1
]}

Wang, Yinghui ^{[2
]}

Li, Yanhui ^{[1
]}

Wan, Yuchun ^{[1
]}

Duan, Qian ^{[1
]}

机构：

[1] Changchun Univ Sci & Technol, Sch Mat Sci & Engn, Changchun 130022, Peoples R China

[2] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Rare Earth Resource Utilizat, Changchun 130022, Peoples R China

来源：

CARBON | 2015年 / 82卷

基金：

中国国家自然科学基金;

关键词：

OXYGEN-REDUCTION REACTION; ION BATTERIES; GRAPHENE OXIDE; CHEMICAL ACTIVATION; GRAPHITE OXIDE; SUPERCAPACITORS; ANODE; NANOSHEETS; NANOTUBES; CAPACITY;

D O I：

10.1016/j.carbon.2014.10.041

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Crumpled nitrogen-doped porous carbon sheets are successfully fabricated via chemical activation of polypyrrole-functionalized graphene sheets with KOH (APGs). The obtained APGs with nitrogen doping, high surface area, porous and crumpled structure exhibit exceptional electrochemical performances as the electrode material for LIBs, including a superhigh reversible specific capacity of 1516.2 mAh g(-1), excellent cycling stability over 10,000 cycles, and good rate capability (133.2 mAh g(-1) even at a very high current density of 40 A g(-1)). The chemical activation synthesis strategy might open new avenues for the design of high-performance carbon-based anode materials. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：116 / 123

页数：8

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