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November 25th, 2009

Nanotech for Portable Electronics

Abstract:
Small nanostructures could make a big appearance in major industrial and electronics applications. Although small in size, carbon nanotubes can pack a huge enhancement in strength, power, and cost. These tiny tubes can give batteries a longer shelf life, speed the performance of electronic gadgets, and work in many others applications.

The shelf life of most disposable and rechargeable batteries are relatively short, primarily because they self-discharge after they are manufactured, even before the batteries are placed into a device. As the batteries sit in a package, they lose their charge because the electrodes and electrolytes that make up the active part of the battery are co-mingled and exchange ionic charges. This condition is exacerbated by heat and the types of chemistry used to manufacture the battery. Although attempts have been made to make batteries with longer lasting shelf life, nothing seems to compare to the idea of a reserve battery.

mPhase Technologies, Little Falls, N.J., has created a reserve battery called the AlwaysReady Smart NanoBattery.

Source:
rdmag.com

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