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Monthly Archives: May 2011

Lightweight, Wearable Power Generators

Written by , on May 8, 2011

Bioengineers from the University of Auckland have developed cheap, lightweight rubber power generators that could harvest up to a watt of power if embedded in shoes. Their generators employ "dielectric elastomer generator" technology that uses the movements of a flexible, non-conductive material to build up charge in attached electrodes. Until now, dielectric elastomer generators. or […]  Read more »

Solar Power from Windows

Written by , on May 5, 2011

Researchers at the US Department of Energy’s Brookhaven and Los Alamos National Laboratories have created a new type of transparent photovoltaic film that can be spread over large areas to absorb light and create an electrical charge. The technology could lead to the development of power-generating windows and transparent solar panels. The material consists of […]  Read more »

Combining Heat & Light for More PV Power

Written by , on May 2, 2011

A Stanford University research group says that it has found a way to more than double current solar power production efficiency. Most current technology either converts light into electricity at relatively low temperatures or converts the heat onto electricity at very high temperatures. The Stanford engineers have developed a "photon enhanced thermionic emission" technology which […]  Read more »

Hydrogen from Cellulosic Biomass

Written by , on May 2, 2011

Researchers at Virginia Tech, Oak Ridge National Laboratory and the University of Georgia have produced hydrogen gas pure enough to power a fuel cell from cellulosic materials (from wood chips) using a mixture of 14 enzymes, one coenzyme and water heated to about 32°C. Jonathan Mielenz, leader of the Bioconversion Science and Technology Group at […]  Read more »