Controlled growth of SnO2@Fe2O3 double-sided nanocombs as anodes for lithium-ion batteries

被引：58

作者：

Zhou, Weiwei ^{[1
]}

Tay, Yee Yan ^{[2
]}

Jia, Xingtao ^{[1
]}

Wai, Denis Yu Yau ^{[3
]}

Jiang, Jian ^{[1
]}

Hng, Huey Hoon ^{[2
]}

Yu, Ting ^{[1
,3
,4
]}

机构：

[1] Nanyang Technol Univ, Sch Phys & Math Sci, Div Phys & Appl Phys, Singapore 637371, Singapore

[2] Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, Singapore

[3] Energy Res Inst NTU ERIAN, Singapore 637553, Singapore

[4] Natl Univ Singapore, Dept Phys, Fac Sci, Singapore 117542, Singapore

来源：

NANOSCALE | 2012年 / 4卷 / 15期

基金：

新加坡国家研究基金会;

关键词：

NANOCRYSTAL HETEROSTRUCTURES; STRUCTURAL CHARACTERISTICS; NANOSTRUCTURES; PERFORMANCE; GRAPHENE; ARRAYS; NANOHETEROSTRUCTURE; HETERONANOSTRUCTURE; FABRICATION; EFFICIENCY;

D O I：

10.1039/c2nr31239e

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A novel heterostructure is developed by grafting 1D SnO2 nanorods onto both sides of pre-grown 2D F(e)2O(3) nanoflakes, forming a comb-like rather than tree-like branched nanostructure. The SnO2 nanorod branches are determined to grow along the [001] direction on the (+/-001) planes of Fe2O3 nanoflakes. The resulting SnO2@Fe2O3 nanocombs show stabilized cycling performance and improved volumetric energy density compared to pristine Fe2O3 nanoflakes presumably due to the integration of SnO2 branches as well as the 3D hierarchical structural features.

引用

页码：4459 / 4463

页数：5

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