Nanographene-Constructed Hollow Carbon Spheres and Their Favorable Electroactivity with Respect to Lithium Storage

被引：497

作者：

Yang, Shubin ^{[1
]}

Feng, Xinliang ^{[1
]}

Zhi, Linjie ^{[2
]}

Cao, Qian ^{[3
]}

Maier, Joachim ^{[3
]}

Muellen, Klaus ^{[1
]}

机构：

[1] Max Planck Inst Polymer Res, D-55128 Mainz, Germany

[2] Natl Ctr Nanosci & Technol China, Beijing 100190, Peoples R China

[3] Max Planck Inst Solid State Res, D-70569 Stuttgart, Germany

来源：

ADVANCED MATERIALS | 2010年 / 22卷 / 07期

关键词：

ION BATTERIES; ELECTROCHEMICAL PERFORMANCE; MACROPOROUS CARBON; ANODE MATERIAL; PARTICLE-SIZE; HIGH-CAPACITY; ELECTRODE; INTERCALATION; INSERTION; HEXABENZOCORONENE;

D O I：

10.1002/adma.200902795

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Nanographene-constructed hollow carbon spheres (NGHCs) are fabricated using discotic nanographene as a building block and a silica/space/mesoporous silica sphere as a template. The resultant NGHCs exhibit uniform size and consist of dual walls. In the exterior walls of the NGHCs, nanochannels arrange perpendicularly to the surface, which is favorable for lithium ion diffusion from different orientations, while the interior graphitic solid walls can facilitate the collection and transport of electrons. The NGHCs show excellent electrochemical performance when used as anode material for lithium ion batteries. [GRAPHICS] .

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页码：838 / +

页数：6

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