Self-assembly of Si entrapped graphene architecture for high-performance Li-ion batteries

被引：44

作者：

Park, Sang-Hoon ^{[1
]}

Kim, Hyun-Kyung ^{[1
]}

Ahn, Dong-Joon ^{[2
]}

Lee, Sang-Ick ^{[2
]}

Roh, Kwang Chul ^{[3
]}

Kim, Kwang-Bum ^{[1
]}

机构：

[1] Yonsei Univ, Dept Mat Sci & Engn, Seoul 120749, South Korea

[2] GS Energy, Adv Battery Mat Team, Taejon 305380, South Korea

[3] Korea Inst Ceram Engn & Technol, Div Energy & Environm, Seoul 153801, South Korea

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2013年 / 34卷

关键词：

Si; Graphene; Reduced graphene oxide (RGO); Si/RGO architecture; Self-assembly; Anode material; ANODE MATERIAL; CHEMICAL-REDUCTION; LITHIUM; NANOPARTICLES; COMPOSITE; SILICON; ELECTRODE; SHEETS;

D O I：

10.1016/j.elecom.2013.05.028

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Si nanoparticles were successfully entrapped between graphene nanosheets by simple self-assembly of chemically modified graphene (RGO) without using any chemical/physical linkers. The resulting Si/RGO architecture possessed a more efficient conducting/buffering framework for Si nanoparticles when compared to the framework of the mechanically mixed Si/RGO product. The Si/RGO architecture exhibited an improved cyclability (1481 mAh/g after 50 cycles) and showed favorable high-rate capability. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：117 / 120

页数：4

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