(Phys.org) —By collecting heat energy from the environment and transforming it into electrical power, thermoelectric energy harvesters have the potential to provide energy for a variety of small electronic devices. Currently, ...
Electric current sufficient to light a string of LEDs, activate an e-paper display or even trigger action by a computer can be generated by tapping or rubbing simple, flexible generators made of paper, thin sheets of plastic ...
Engineering
Oct 7, 2013
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Global expectations for hydrogen are currently sky-high. Transport applications stand at the threshold of commercialisation, while ahead lies an investment boom in the hydrogen distribution network. The changeover to hydrogen ...
Energy & Green Tech
May 6, 2013
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(Phys.org) —Devices that harvest energy from the environment require specific environmental conditions; for instance, solar cells and piezoelectric generators require sunlight and mechanical vibration, respectively. Since ...
Wireless sensor networks monitor machinery and equipment in factories, cars and power stations. They increasingly "harvest" the energy they need to transmit measurement data from the environment, thus making them self-sufficient. ...
Engineering
Nov 15, 2012
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(Phys.org) -- Materials scientists at the U.S. Department of Energy's Ames Laboratory, Etrema Products, Inc. (EPI), and the Naval Surface Warfare Center Carderock Division have developed new ways to form a high tech metal ...
Condensed Matter
Aug 22, 2012
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Battery-powered devices could soon be a thing of the past thanks to a group of UK researchers who have created a novel energy harvester to power some of the latest wearable gadgets.
Engineering
Jun 14, 2012
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A phenomenon first observed by an ancient Greek philosopher 2,300 years ago has become the basis for a new device designed to harvest the enormous amounts of energy wasted as heat each year to produce electricity. The first-of-its-kind ...
Nanophysics
Jun 13, 2012
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A team of scientists from University of Colorado Denver has developed a novel energy system that increases the amount of energy harvested from microbial fuel cells (MFCs) by more than 70 times. The new approach also greatly ...
Energy & Green Tech
Apr 25, 2012
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(Phys.org) -- Mechanical energy is all around us, whether in the form of a vehicle's vibrations, ocean waves, or vibrating train tracks. However, much of this energy is irregular and oscillatory - for example, road bumps ...
