Journal
NANOSCALE
Volume 5, Issue 4, Pages 1503-1506Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3nr33683b
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Funding
- MOE AcRF, Singapore [MOE2011-T2-1-137]
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Core-shell Si nanowires are very promising anodematerials. Here, we synthesize vertically aligned carbon nanotubes (CNTs) with relatively large diameters and large inter-wire spacing as core wires and demonstrate a CNT-Si core-shell wire composite as a lithium ion battery (LIB) anode. Owing to the rationally engineered core structure, the composite shows good capacity retention and rate performance. The excellent performance is superior to most core-shell nanowires previously reported.
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