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Order-aligned Mn3O4 nanostructures as super high-rate electrodes for rechargeable lithium-ion batteries
- Source :
-
Journal of Power Sources . Jan2013, Vol. 222, p32-37. 6p. - Publication Year :
- 2013
-
Abstract
- Abstract: 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. [Copyright &y& Elsevier]
Details
- Language :
- English
- ISSN :
- 03787753
- Volume :
- 222
- Database :
- Academic Search Index
- Journal :
- Journal of Power Sources
- Publication Type :
- Academic Journal
- Accession number :
- 82682554
- Full Text :
- https://doi.org/10.1016/j.jpowsour.2012.08.056