Journal
NANOSCALE
Volume 6, Issue 3, Pages 1725-1731Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3nr05551e
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Funding
- National Natural Science Foundation of China [91022033, 21201158]
- 973 Project of China [2011CB935901]
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Mn2O3 has been demonstrated to be a promising electrode material for lithium-ion batteries. Thus, the fabrication of Mn2O3 nanomaterials with high specific capacity and cycling stability is greatly desired. Here we report a simple but effective method to synthesis Mn2O3 nanomaterials from a Mn(OH)(2) precursor, which was prepared from manganese acetate in ethylene glycol and water at 180 degrees C for 12 h. The morphology and sheet thickness of Mn(OH)(2) precursor could be tuned by controlling the ethylene glycol/H2O volume ratio, resulting in a further tunable morphology and sheet thickness of the porous Mn2O3 nanomaterials. In the electrochemical tests the prepared Mn2O3 nanomaterials, with the porous architecture and thin thickness exhibited a high and stable reversible capacity, indicating that both small thickness and porous sheets structure are crucial for improving the electrochemical performance of Mn2O3 in terms of specific capacity and stability.
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