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Press 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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Illustration of channels in a polymer electrolyte membrane material.

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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Image showing water molecules inside blue ionic nanochannels.

This image shows water molecules (red and white) inside ionic nanochannels (blue).

Credit: Dr. Jing Li and Prof. Louis Madsen of Virginia Tech


Download the high-resolution JPG version of the image. (113 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.