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Author Topic: Conversion rate tops 60 percent with new solid-state heat engine  (Read 6064 times)

noncents

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Conversion rate tops 60 percent with new solid-state heat engine
« on: January 14, 2008, 08:10:54 AM »
Super Soaker Inventor Aims to Cut Solar Costs in Half
The Atlanta-based independent inventor of the Super Soaker squirt gun (a true technological milestone) says he can achieve a conversion efficiency rate that tops 60 percent with a new solid-state heat engine.

Johnson, a nuclear engineer who holds more than 100 patents, calls his invention the Johnson Thermoelectric Energy Conversion System, or JTEC for short. This is not PV technology, in which semiconducting silicon converts light into electricity. And unlike a Stirling engine, in which pistons are powered by the expansion and compression of a contained gas, there are no moving parts in the JTEC. It?s sort of like a fuel cell: JTEC circulates hydrogen between two membrane-electrode assemblies (MEA). Unlike a fuel cell, however, JTEC is a closed system. No external hydrogen source. No oxygen input. No wastewater output. Other than a jolt of electricity that acts like the ignition spark in an internal-combustion engine, the only input is heat.

http://www.popularmechanics.com/science/earth/4243793.html
http://www.johnsonems.com/jhtec.html
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