Journal
NANO ENERGY
Volume 1, Issue 1, Pages 172-175Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nanoen.2011.08.005
Keywords
Battery; Nanodevice; Nanomaterial; Nanofabrication; Nanowire; Tungsten oxide
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Funding
- MOE AcRF Tier2 Funding, Singapore [MOE2011-T2-1-137]
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In this paper, we report on a rechargeable lithium battery based on a single hexagonal tungsten oxide (h-WO3) nanowire. This nanobattery can discharge at a voltage of 0.27-0.1 V and a current of 20-10 pA for more than 1000 s with a capacity of 15.2 nC, suggesting that each WO3 molecule could accommodate 1.8-2.2 Li+ ions on average. It exhibits excellent stability and repeatability. Real time ultraviolet (UV) light detection is achieved through a single WO3 nanowire based UV sensor, which is powered by the nanobattery. (C) 2011 Elsevier Ltd. All rights reserved.
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