期刊
NANOSCALE
卷 4, 期 17, 页码 5425-5430出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2nr31357j
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资金
- National Natural Science Foundation of China [50972153, 509721157, 51072215]
- Shanghai Municipal Committee of Science and Technology [10DZ0505000]
Monodisperse ultrathin SnO2 nanorods on nitrogen-doped graphene were firstly synthesized by a facile one-step hydrothermal strategy. The uniformed composites with high nitrogen content and ultrathin SnO2 nanorods of 2.5-4.0 nm in diameter and 10-15 nm in length show a high reversible specific capacity, superior rate capability and outstanding cycling stability (803 mA h g(-1)) as anode materials for lithium ion batteries, owing to the synergistic effect between GS and SnO2 and nitrogen-doping, which can greatly decrease the energy barrier for Li penetrating the pyridinic defects and improve the electronic structures. This work opens the door to prepare metal oxide/GS-N composites with superior lithium storage properties and engineering of graphene composites for advanced energy storage.
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