Thin copper oxide nanowires/carbon nanotubes interpenetrating networks for lithium ion batteries

被引：31

作者：

Huang, Hongwen ^{[1
]}

Yu, Qing ^{[1
]}

Ye, Yinghui ^{[1
]}

Wang, Peng ^{[1
]}

Zhang, Liqiang ^{[1
]}

Gao, Mingxia ^{[1
]}

Peng, Xinsheng ^{[1
]}

Ye, Zhizhen ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Mat Sci & Engn, State Key Lab Silicon Mat, Hangzhou 310027, Peoples R China

来源：

CRYSTENGCOMM | 2012年 / 14卷 / 21期

关键词：

SPINEL LIMN2O4 NANOWIRES; TELLURIUM NANOWIRES; ELECTRODE MATERIALS; CUO; ANODE; NANOSTRUCTURES; MICROSPHERES; NANORIBBONS; NANOCUBES; FILMS;

D O I：

10.1039/c2ce25873k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Thin CuO nanowires with a diameter of 7 +/- 3 nm, aspect ratio up to 10(3)-10(4) and specific surface area of 51.08 m(2) g(-1) were synthesized by shape-reserved transformation from the corresponding thin copper hydroxide nanowires (CHNs) under an appropriate temperature. A topotactic transition of the crystal structure between Cu(OH)(2) and CuO occurred. CdO nanowires were also successfully prepared by this synthetic method. Subsequently, thin CuO nanowires/carbon nanotubes (CNTs) interpenetrating networks were prepared from preformed Cu(OH)(2) nanowire/CNT interpenetrating networks and these demonstrated a much higher electrochemical performance than that of pure CuO nanowires for lithium ion batteries. When the CNTs were 33.3 wt% of the CuO nanowires/CNTs interpenetrating networks, they gave the best electrochemical performance, including high capacitance as well as good stability.

引用

页码：7294 / 7300

页数：7

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