News tagged with waste heat

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Turning heat to electricity... efficiently

(PhysOrg.com) -- In everything from computer processor chips to car engines to electric powerplants, the need to get rid of excess heat creates a major source of inefficiency. But new research points the way ...

Nov 18, 2009
4.8 / 5 (67) 9

Creating electricity with caged atoms

Clathrates are crystals consisting of tiny cages in which single atoms can be enclosed. These atoms significantly alter the material properties of the crystal. By trapping cerium atoms in a clathrate, scientists ...

Sep 22, 2013
4.9 / 5 (38) 0 | with audio podcast

Quantum physicists turn waste heat into power

(PhysOrg.com) -- University of Arizona physicists have discovered a new way of harvesting waste heat and turning it into electrical power. Taking advantage of quantum effects, the technology holds great promise ...

Sep 24, 2010
4.7 / 5 (38) 35 | with audio podcast

Nearly Hard as Steel: Aluminum with Fullerenes

Russian researchers with Siemens Corporate Technology (CT) are using special carbon nanoparticles to optimize materials. They are adding fullerenes -- soccer ball-shaped molecules comprising 60 carbon atoms ...

Jul 16, 2010
4.8 / 5 (29) 10 | with audio podcast

Getting more electricity out of solar cells

(Phys.org) —When sunlight shines on today's solar cells, much of the incoming energy is given off as waste heat rather than electrical current. In a few materials, however, extra energy produces extra electrons—behavior ...

May 07, 2014
4.9 / 5 (23) 1