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Communication

Controllable Synthesis of Copper Oxide/Carbon Core/Shell Nanowire Arrays and Their Application for Electrochemical Energy Storage

by 1, 2,* and 1,*
1
State Key Laboratory of Silicon Materials, Key Laboratory of Advanced Materials and Applications for Batteries of Zhejiang Province, and School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
2
School of Applied Science, Harbin University of Science and Technology, Harbin 150080, China
*
Authors to whom correspondence should be addressed.
Academic Editors: Xifei Li and Xueliang (Andy) Sun
Nanomaterials 2015, 5(4), 1610-1619; https://doi.org/10.3390/nano5041610
Received: 10 September 2015 / Revised: 6 October 2015 / Accepted: 8 October 2015 / Published: 9 October 2015
(This article belongs to the Special Issue Nanostructured Materials for Li-Ion Batteries and Beyond)
Rational design/fabrication of integrated porous metal oxide arrays is critical for the construction of advanced electrochemical devices. Herein, we report self-supported CuO/C core/shell nanowire arrays prepared by the combination of electro-deposition and chemical vapor deposition methods. CuO/C nanowires with diameters of ~400 nm grow quasi-vertically to the substrates forming three-dimensional arrays architecture. A thin carbon shell is uniformly coated on the CuO nanowire cores. As an anode of lithium ion batteries, the resultant CuO/C nanowire arrays are demonstrated to have high specific capacity (672 mAh·g−1 at 0.2 C) and good cycle stability (425 mAh·g−1 at 1 C up to 150 cycles). The core/shell arrays structure plays positive roles in the enhancement of Li ion storage due to fast ion/electron transfer path, good strain accommodation and sufficient contact between electrolyte and active materials. View Full-Text
Keywords: core/shell structure; anode; nanowire arrays; copper oxides; lithium ion batteries core/shell structure; anode; nanowire arrays; copper oxides; lithium ion batteries
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MDPI and ACS Style

Zhan, J.; Chen, M.; Xia, X. Controllable Synthesis of Copper Oxide/Carbon Core/Shell Nanowire Arrays and Their Application for Electrochemical Energy Storage. Nanomaterials 2015, 5, 1610-1619. https://doi.org/10.3390/nano5041610

AMA Style

Zhan J, Chen M, Xia X. Controllable Synthesis of Copper Oxide/Carbon Core/Shell Nanowire Arrays and Their Application for Electrochemical Energy Storage. Nanomaterials. 2015; 5(4):1610-1619. https://doi.org/10.3390/nano5041610

Chicago/Turabian Style

Zhan, Jiye, Minghua Chen, and Xinhui Xia. 2015. "Controllable Synthesis of Copper Oxide/Carbon Core/Shell Nanowire Arrays and Their Application for Electrochemical Energy Storage" Nanomaterials 5, no. 4: 1610-1619. https://doi.org/10.3390/nano5041610

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