Thursday, May 17, 2012

Nano Tech Battery Update


More interesting news related to nanotechnology and efforts to craft lighter, more efficient, longer lasting batteries.


Over the past five years, Cui’s group has progressively improved the durability of silicon anodes by making them out of nanowires and then hollow silicon nanoparticles. His latest design consists of a double-walled silicon nanotube coated with a thin layer of silicon oxide, a very tough ceramic material.

This strong outer layer keeps the outside wall of the nanotube from expanding, so it stays intact. Instead, the silicon swells harmlessly into the hollow interior, which is also too small for electrolyte molecules to enter. After the first charging cycle, it operates for more than 6,000 cycles with 85 percent capacity remaining.


Link to Article

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1 comment:

Muhammad Amir said...

less voltage sag and a higher discharge rate than a similar density lithium polymer (non nano-tech) battery. battery operated sanctuary light