Nitrogen-doped graphene nanosheets as cathode materials with excellent electrocatalytic activity for high capacity lithium-oxygen batteries

被引：236

作者：

Li, Yongliang ^{[1
]}

Wang, Jiajun ^{[1
]}

Li, Xifei ^{[1
]}

Geng, Dongsheng ^{[1
]}

Banis, Mohammad N. ^{[1
]}

Li, Ruying ^{[1
]}

Sun, Xueliang ^{[1
]}

机构：

[1] Univ Western Ontario, Dept Mech & Mat Engn, London, ON N6A 5B9, Canada

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2012年 / 18卷

基金：

加拿大自然科学与工程研究理事会; 加拿大创新基金会;

关键词：

Lithium batteries; Energy conversion; Graphene; Nitrogen-doped graphene; Oxygen reduction; CARBON NANOTUBES; AIR; ELECTRODES;

D O I：

10.1016/j.elecom.2012.01.023

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Nonaqueous lithium-oxygen battery with nitrogen-doped graphene nanosheets (N-GNSs) as cathode materials delivered a discharge capacity of 11660 mAh g(-1), which is about 40% higher than that with the pristine graphene nanosheets (GNSs). The electrocatalytic activity of N-GNSs for oxygen reduction in the nonaqueous electrolyte is 2.5 times as that of GNSs. The excellent electrochemical performance of N-GNSs is attributed to the defects and functional groups as active sites introduced by nitrogen doping. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：12 / 15

页数：4

共 23 条

[11] Electrocatalytic Activity Studies of Select Metal Surfaces and Implications in Li-Air Batteries [J].

Lu, Yi-Chun ;

Gasteiger, Hubert A. ;

Crumlin, Ethan ;

McGuire, Robert, Jr. ;

Shao-Horn, Yang .

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 2010, 157 (09) :A1016-A1025

[12] All-carbon-nanofiber electrodes for high-energy rechargeable Li-O2 batteries [J].

Mitchell, Robert R. ;

Gallant, Betar M. ;

Thompson, Carl V. ;

Shao-Horn, Yang .

ENERGY & ENVIRONMENTAL SCIENCE, 2011, 4 (08) :2952-2958

[13] Oxygen Reactions in a Non-Aqueous Li+ Electrolyte [J].

Peng, Zhangquan ;

Freunberger, Stefan A. ;

Hardwick, Laurence J. ;

Chen, Yuhui ;

Giordani, Vincent ;

Barde, Fanny ;

Novak, Petr ;

Graham, Duncan ;

Tarascon, Jean-Marie ;

Bruce, Peter G. .

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2011, 50 (28) :6351-6355

[14] Nitrogen-Doped Graphene as Efficient Metal-Free Electrocatalyst for Oxygen Reduction in Fuel Cells [J].

Qu, Liangti ;

Liu, Yong ;

Baek, Jong-Beom ;

Dai, Liming .

ACS NANO, 2010, 4 (03) :1321-1326

[15] In Search of the Active Site in Nitrogen-Doped Carbon Nanotube Electrodes for the Oxygen Reduction Reaction [J].

Rao, Chitturi Venkateswara ;

Cabrera, Carlos R. ;

Ishikawa, Yasuyuki .

JOURNAL OF PHYSICAL CHEMISTRY LETTERS, 2010, 1 (18) :2622-2627

[16] Investigation of the gas-diffusion-electrode used as lithium/air cathode in non-aqueous electrolyte and the importance of carbon material porosity [J].

Tran, Chris ;

Yang, Xiao-Qing ;

Qu, Deyang .

JOURNAL OF POWER SOURCES, 2010, 195 (07) :2057-2063

[17] Polyelectrolyte Functionalized Carbon Nanotubes as Efficient Metal-free Electrocatalysts for Oxygen Reduction [J].

Wang, Shuangyin ;

Yu, Dingshan ;

Dai, Liming .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2011, 133 (14) :5182-5185

[18] Nitrogen-Doped Graphene and Its Application in Electrochemical Biosensing [J].

Wang, Ying ;

Shao, Yuyan ;

Matson, Dean W. ;

Li, Jinghong ;

Lin, Yuehe .

ACS NANO, 2010, 4 (04) :1790-1798

[19] Air electrode design for sustained high power operation of Li/air batteries [J].

Williford, R. E. ;

Zhang, Ji-Guang .

JOURNAL OF POWER SOURCES, 2009, 194 (02) :1164-1170

[20] Hierarchically Porous Graphene as a Lithium-Air Battery Electrode [J].

Xiao, Jie ;

Mei, Donghai ;

Li, Xiaolin ;

Xu, Wu ;

Wang, Deyu ;

Graff, Gordon L. ;

Bennett, Wendy D. ;

Nie, Zimin ;

Saraf, Laxmikant V. ;

Aksay, Ilhan A. ;

Liu, Jun ;

Zhang, Ji-Guang .

NANO LETTERS, 2011, 11 (11) :5071-5078

← 1 2 3 →