High rate capability of ordered mesoporous carbon with platelet graphitic pore walls for lithium ion anodes

被引：18

作者：

Hou, Zhaohui ^{[1
,2
]}

Zeng, Fanyan ^{[2
]}

He, Binhong ^{[1
,2
]}

Tao, Wei ^{[2
]}

Ge, Chongyong ^{[2
]}

Kuang, Yafei ^{[2
]}

Zeng, Jianhuang ^{[3
]}

机构：

[1] Hunan Inst Sci & Technol, Coll Chem & Chem Engn, Yueyang 414006, Hunan, Peoples R China

[2] Hunan Univ, Coll Chem & Chem Engn, Changsha 410082, Hunan, Peoples R China

[3] S China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510641, Guangdong, Peoples R China

来源：

MATERIALS LETTERS | 2011年 / 65卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Lithium ion anodes; Nanomaterials; Ordered mesoporous carbon; Porosity; Platelet graphitic pore walls; MESOCARBON MICROBEADS; NANOFIBERS; BATTERIES;

D O I：

10.1016/j.matlet.2010.12.008

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

An ordered mesoporous carbon (OMC) with controllable molecule crystal and platelet graphitic pore walls, which is directionally grown on the internal pore walls of SBA-15 or anchors at liquid/silica interfaces by molecule engineering, has been investigated as lithium ion anodes. It is found that the OMC exhibits high kinetics, rate and cycling performance. The i(0) and D-Li are almost constant after 50 cycles. OMC shows a high reversible specific capacity of 153.9 mAh g(-1) at the current density as high as 3500 mA g(-1). The excellent electrochemical performance could be attributed to the presence of the porosity and platelet graphitic pore walls. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：897 / 900

页数：4

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