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New way to harvest energy discovered
Paris - Researchers at the Georgia Institute of Technology said they had built a prototype device that converts stop-start movement into power.
Waves, walking and dancing could one day be harnessed to drive sensors, mobile gadgets or even electricity plants, said professor of materials science and engineering Zhong Lin Wang.
Scientists in the United States said that such clean reliable power lies within reach, thanks to a smart way to harvest energy called tribo-electricity.
The term "tribo-electric" refers to electricity created from friction between two substances, causing a charge of electrons to be transferred from one to the other. Because tribo-electric is so unpredictable, it has been generally shunned as a power source in favour of magnetic induction - a turbine driven by nuclear - or fossil-powered steam or water.
But in a new study published in the journal Nature Communications, Prof Wang's team said they had overcome key hurdles to converting a haphazardly generated electrical charge into current.
AFP
Paris - Researchers at the Georgia Institute of Technology said they had built a prototype device that converts stop-start movement into power.
Waves, walking and dancing could one day be harnessed to drive sensors, mobile gadgets or even electricity plants, said professor of materials science and engineering Zhong Lin Wang.
Scientists in the United States said that such clean reliable power lies within reach, thanks to a smart way to harvest energy called tribo-electricity.
The term "tribo-electric" refers to electricity created from friction between two substances, causing a charge of electrons to be transferred from one to the other. Because tribo-electric is so unpredictable, it has been generally shunned as a power source in favour of magnetic induction - a turbine driven by nuclear - or fossil-powered steam or water.
But in a new study published in the journal Nature Communications, Prof Wang's team said they had overcome key hurdles to converting a haphazardly generated electrical charge into current.
AFP
