Journal
JOURNAL OF POWER SOURCES
Volume 222, Issue -, Pages 32-37Publisher
ELSEVIER
DOI: 10.1016/j.jpowsour.2012.08.056
Keywords
Manganous manganic oxide; Nanostructures; High rate; Electrodes; Lithium ion batteries
Funding
- 863 Project [2011AA050517]
- NSFC [51002133]
- Innovation Team Project of Zhejiang Province [2009R50005]
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We demonstrate the synthesis of order-aligned Mn3O4 nanostructures by electrochemically depositing Mn3O4 on a pre-fabricated Cu nanowire array current collector. When used as an electrode for lithium-ion batteries, it exhibits a capacity up to 637 and 494 mA h g(-1) after 100 cycles at a current rate of 10 C and 20 C (10 C = 9.4 A g(-1)), respectively. The excellent cycling performance and superior rate capability can be attributed to the good electrical contact, fast electron transport and good strain accommodation of the order-aligned nanostructured electrodes. The relationship between the thickness of the Mn3O4 film and its electrochemical performance has also been investigated. (C) 2012 Elsevier B.V. All rights reserved.
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