Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 1, Issue 43, Pages 13433-13438Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ta11943b
Keywords
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Funding
- 973 Program [2013CB632701]
- National Natural Science Foundation of China [51202163, 51102105, 51102271]
- Shanghai Pujiang Program [12PJ1408200]
- Innovation Program of Shanghai Municipal Education Commission [13ZZ025]
- Doctor Programs Foundation of MOE [20120072120044]
- Open Fund Project of Shanghai Key Laboratory of Special Artificial Microstructure Materials and Technology [ammt2012A-06]
- Fundamental Research Fund for Central University
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In this communication, 3D hierarchical SnO2@Si nanowire arrays on carbon cloth are synthesized by a combination of the chemical vapour deposition (CVD) method for SnO2 nanowires and a subsequent Si thin film coating with a plasma-enhanced CVD (PE-CVD) route. The as-prepared SnO2@Si nanowire arrays are further tested as a flexible and binder-free anode for Li ion batteries. A high areal capacity (e.g. 2.13 mA h cm(-2) at a current density of 0.38 mA cm(-2)) and good cycling performance are demonstrated for the core-shell SnO2@Si nanowire/carbon cloth electrode, which could be attributed to the 3D structural design and a synergistic effect between Si and SnO2.
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