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

被引：45
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.
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收藏
页码：117 / 120
页数：4
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