Journal
MATERIALS LETTERS
Volume 65, Issue 8, Pages 1154-1156Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2011.01.012
Keywords
SnO2 nanorod; Ni foam; Nanocomposites; Energy storage
Funding
- 973 National Key Basic Research Program of China [2007CB310500]
- National Natural Science Foundation of China [21003041]
- Hunan Provincial Natural Science Foundation of China [10JJ1011]
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Ni foam suppported-SnO2 nanorod arrays with controllable diameter were prepared via a template-free growth method, which was a convenient route for the large-scale growth of pure-phase metal oxide nanorod arrays on metal substrates. The relationship between electrochemical behavior and the shape of SnO2 nanorod arrays has been investigated in detail. SnO2 nanorod arrays with diameter of about 25 nm, as anode materials for Li-ion batteries revealed a capacity of 607 mAh g(-1) (at 0.2 C) up to 50 cycles. The superior performance of the SnO2 nanorods can be mainly attributed to small size of nanorods which reduce volume expansion and lithium diffusion length. (C) 2011 Elsevier B.V. All rights reserved.
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