Nanotubes of core/shell Cu/Cu2O as anode materials for Li-ion rechargeable batteries

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Nanotubes of core/shell Cu/Cu2O as anode materials for Li-ion rechargeable batteries

Hasan, Maksudul; Chowdhury, Tamjid; Rohan, James F.
Date: 2010-06
Copyright: © The Electrochemical Society, Inc. 2010. All rights reserved. Except as provided under U.S. copyright law, this work may not be reproduced, resold, distributed, or modified without the express permission of The Electrochemical Society (ECS). The archival version of this work was published in HASAN, M., CHOWDHURY, T. & ROHAN, J. F. 2010. Nanotubes of Core/Shell Cu / Cu2O as Anode Materials for Li-Ion Rechargeable Batteries. Journal of The Electrochemical Society, 157, A682-A688. doi: 10.1149/1.3364794
Related: http://jes.ecsdl.org/content/157/6/A682.abstract
Citation: HASAN, M., CHOWDHURY, T. & ROHAN, J. F. 2010. Nanotubes of Core/Shell Cu / Cu2O as Anode Materials for Li-Ion Rechargeable Batteries. Journal of The Electrochemical Society, 157, A682-A688. doi: 10.1149/1.3364794
Published Version: 10.1149/1.3364794

Abstract:

A direct electrodeposition technique for Cu nanotube array fabrication and the subsequent conversion of the deposited Cu into Cu2O was developed. The Cu2O nanotube arrays showed high capacity, cyclability, and rate capability. The cycling performance of the Cu2O nanotubes showed a high level of structural integrity with capacity retention even after 94 cycles when cycled at 1C to 3C rates. The enhanced electrochemical performance of the Cu2O nanotubes came from a high surface area, electrolyte access, high electrical conductivity of Cu core support, and structural integrity of the oxide shell active material.

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