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December 1st, 2009

Nanotech for Portable Electronics

Abstract:
mPhase Technologies, Little Falls, N.J., has created a reserve battery called the AlwaysReady Smart NanoBattery. Prior to activation, the electrodes and electrolytes are not combined, explains Steve Simon, the company's Chief Technology Officer. The battery is activated by allowing the electrolyte to selectively reach the electrode chamber, which causes the chemical reaction to occur, producing voltage.

The battery could be used for emergency applications—and not be activated until needed—extending the shelf life to more than 15 years, thanks to its nanoscale design. "While other traditional reserve battery vendors make their reserve batteries very big, we make our structures smaller, using a custom silicon membrane that is porous," says Simon.

Nantero, Woburn, Mass., speeds up electronics performance through its NRAM product, a carbon nanotube-based memory device that is nano-electromechanical.

Greg Schmergel, CEO of Nantero, describes the product as being "an actual mechanical memory where the nanotubes actually bend up and down to represent the zeros and ones; and, since the carbon nanotubes are so small—they are about 1 nm dia—we can achieve a very high density and scale the memory devices to very small sizes, down even below 5 nm."

Source:
rdmag.com

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