IBM ‘Turning Up The Heat’

A team led by IBM Research seems to have found a way to concentrate the sun’s ray onto solar photovoltaic (PV) modules without melting expensive inner circuitry. Their High Concentration PhotoVoltaic Thermal (HCPVT) system concentrates the power of 2,000 suns onto hundreds of tiny photovoltaic chips (each no larger than 1SQ.CM).


Each solar PV cell is cooled using pipe liquid coolant rather than passively via air (see images below).


The system can convert up to 80% of the solar energy into useable energy by reintegrating the heat ordinarily lost back into the system.


With 25 kilowatts of electricity being generated from each collector, the system is a perfect balance of Hi and Low-tech!

via: treehugger

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