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"Nanofibers project aims to transform the clothes in the generators
2010-05-28 16:56:03

 


can researchers at the University of California-Berkeley perfect Oven Mitt and Pot Holder Set that generate Bathrobe from body movements as simple as bending, stretching and twisting. The filaments, small fishing lines are similar, will soon be integrated into clothing and sold as the ultimate portable generators.

Now, the Smart Power Suit "is still a laboratory experiment," said University of California-Berkeley engineering professor Liwei Lin, monitoring the evolution of the fiber.

Lin and his team, including researchers from Berkeley, Germany and China,had the capability of the fiber to harness the energy of motion of the body are minute recently.

Working in a small two-room laboratory was on the campus of Berkeley, researchers, the energy of motion of the fingers fibers convert into electricity using a surgical glove.

At about 500000 nanometers thick, a train is almost imperceptible to the human eye. This is the tenth of the width of the fiber and fabric around one hundredth the thickness of a human hair.

It would be about 100,000 fibers enough electricity to an electric clock and 1 million to produce fibers to produce enough electricity to power an iPod. But a group of 1 million fibers that size would be a grain of sand.

Lin said that the fibers take the untapped energy in the human body as a source of considerable physical efficiency. The more vigorous the exercise, the more electricity can be harvested, so that the points of the knees and elbows and other joints of choice for trace.

The filaments of power consumption generated by piezo-electric stress "applied, similar to the heat that is generated when the hand sanitizer. 

Lin's team, the fibers produced with a technique he pioneered called near-field electrospinning.

Electricity production from small components is a distant dream for scientists for decades, "said Roco, who heads the National Nanotechnology Initiative.

A team from Georgia Institute of Technology developed similar fibers a few years ago Lin filament coated with Kevlar bar with zinc oxide. The resulting filaments seem rollers, feeding, when rubbed together.

Directed by Professor Zhong Lin Wang, the researchers also electrical currents in the fingers typing on mobile phones, product hamsters exercise wheels, and the vibration of the vocal cords. Small modules could enter the human body to harvest energy from muscle movement and the blood vessels, Wang said

But the fibers of the team are Lin organic matter, the infinite length are woven into the materials and inorganic constituents of Georgia were used, limited to only a few millimeters in length.

The rival Stanford University, researchers are developing fabrics based batteries, or can store energy in eTextiles UC-Berkeley product.

plain cloth is rechargeable batteries and capacitors, when dipped in a special ink and then dried form provided. A piece weighing about an ounce can be three times more energy than a cell phone battery can be, yet light and flexible.

Berkeley Lin said he would seek venture capital funds in three months, but has not decided whether to start their own business with a technology or a license to other companies. 

"It will be determined by the economy - in the nanofibers are $ 10,000000, nobody wants to buy," he said. "But if you buy $ 20. People use nanotechnology, not because it is a pleasure, but economically it."

 



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