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News Release 11-123
Stretching Old Material Yields New Results for Energy- and Environment-related Devices
Stretching could improve efficiency of material used in batteries, fuel cells and water purification
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This image illustrates how the channels in a polymer electrolyte membrane material change when you stretch it. On the left is an unstretched sample of the material. The middle sample has been stretched at a ratio of 2:1, while the sample on the right, which shows the most channel alignment, has been stretched at a ratio of 4:1.
Credit: Dr. Jing Li and Prof. Louis Madsen of Virginia Tech
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This image shows water molecules (red and white) inside ionic nanochannels (blue).
Credit: Dr. Jing Li and Prof. Louis Madsen of Virginia Tech
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