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January 3rd, 2008
Abstract:
Nanowires and carbon nanotubes are proving valuable for generating and storing energy. Researchers have shown that nanowires can convert vibrations into electricity. (See "Nanogenerator Fueled by Vibrations" and "A New Nanogenerator.") Other nanowires can generate power from light. (See "Tiny Solar Cells.") Carbon nanotubes could be useful for extracting more power from cheap solar-cell materials. (See "Cheap Nano Solar Cells.")
Nanotechnology could also greatly improve batteries. MIT researchers made fibers out of viruses coated with functional materials. The fibers could lead to textiles that collect energy from the sun, convert it into electricity, and store it until it's needed. (See "Virus-Built Electronics.") At the end of the year, Stanford researchers published research showing that silicon nanowires can significantly increase the storage capacity of battery electrodes.
Source:
technologyreview.com
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