Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 2, Issue 1, Pages 87-93Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ta13510a
Keywords
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Funding
- National Science Foundation of China [51001053, 21271085]
- Doctoral Foundation of University of Jinan [XBS1314]
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We describe the simple preparation of octahedral Mn3O4 nanomaterials with a typical diameter around 300-400 nm using a one step dealloying of MnAl alloy at room temperature. The as-made sample exhibits high performance as an anode material for Li-ion batteries. Electrochemical measurements reveal that the Mn3O4 octahedra have an ultralong cycle life with capacity retentions of 81.3% and 77.8% after 500 cycles at 100 and 300 mA g(-1), respectively. Moreover, the Mn3O4 octahedra deliver a stable capacity at a high rate of 1000 mA g(-1) with a good rate capability. The as-made Mn3O4 octahedra exhibit great potential for application as anode materials for Li-ion batteries with the advantages of unique performance and easy preparation.
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