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Thermo Electric Generators
TEGs in improved stoves
TEGs are an interesting way to improve ICS performance. For example Aprovecho and Biolite have attached a TEG driven Fan to a rocket stove. The Side Feed Fan Stove has shown significant results by reducing Fuel use by 42%, PM emission by 94%, and CO emissions by 91% compared to three-stone fire.
TEGs in big engines and appliances
A lot of research has been done to make this technology efficient. Together with the Fraunhofer Institut SAM-Thermoelectric technologies have developed a way to generate electricity at 30% efficiancy (see product description PDF). A license has been purchased by the O-Flexx GmbH. They are now developing very promising ways to improve different technologies by converting waste heat into electricity. The SAM TEGs are beeing used to increase the efficiancy of solar systems, automotive engines, transport and more.. (see their products and solutions). These big appliances with the SAM Technology will be commercially launched by end of 2010.
