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Nextreme Awarded "Green" Grant
June 30, 2008 |Estimated reading time: 1 minute
DURHAM, N.C. Nextreme Thermal Solutions received a grant from the North Carolina Green Business Fund to enhance the efficiency of its thin-film thermoelectrics used to convert waste heat into electricity in electronic systems.
Nextreme's power conversion thermoelectrics were deemed important for next-generation technology as efficiency of power conversion is becoming increasingly important across all market segments, including IT, automotive, and industrial manufacturing. As energy costs rise, the efficiency of power delivery systems is becoming a critical attribute to the overall product value. One way to improve electrical efficiency is to extract waste heat from the system and convert a larger portion of that heat into usable energy, according to the company.
The North Carolina Green Business Fund, directed by the North Carolina Board of Science and Technology, awards grants to North Carolina organizations in support of competitively assessed projects focused on attracting and leveraging private sector investments, and entrepreneurial growth in environmentally conscious clean technology, renewable energy products, and businesses.
Nextreme's thin-film embedded thermoelectric generator (eTEG) generates electricity via the Seebeck effect, where electricity is produced from a temperature differential applied across the device. The material is thin, engineered with nano-processes, for a Seebeck coefficient 150% greater than conventional thermoelectric material. The grant from the North Carolina Green Business Fund will be used to optimize the Nextreme thin-film growth process with the goal of doubling the power output of a single device from 250 to 500 mW.
Nextreme is working with customers in powering remote sensors that can monitor equipment and human activities without the use of batteries by simply using energy sources available and harvesting the waste heat to power the sensors. Other applications include thermal batteries that can be used to power implantable medical devices and capturing waste heat from exhaust manifolds to improve fuel efficiency in automobiles.
Nextreme's thin-film thermoelectric products are manufactured in volume with the thermal copper pillar bump process, an established electronic packaging approach that scales well into large arrays.
For more information, visit www.nextreme.com.