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GMZ Energy Successfully Demonstrates High-Temperature Thermoelectric Generator

GMZ Energy, a leading provider of advanced nano-structured, high-temperature thermoelectric generation (“TEG”) power solutions, today announced the successful demonstration of a TEG designed for automotive waste heat recapture.

The unit generated an output power well in excess of its 200 watt design goal. GMZ Energy built the TEG as a part of an ongoing vehicle efficiency research program sponsored by the U.S. Army Tank Automotive Research, Development and Engineering Center (“TARDEC”) and administered by the Department of Energy (“DOE”).

The goal of the TARDEC TEG program is to develop a thermoelectric solution that directly converts exhaust waste heat into electrical energy in order to increase fuel efficiency by reducing the load on the alternator. The project also aims to reduce thermal signature and muffle engine noise, all while minimizing exhaust pressure drop. There are no moving parts in the solid-state design of GMZ Energy’s TEG, which enables the very high reliability, mechanical robustness and silent operation necessary for military applications. With total delivered fuel costs on the battlefield in excess of $40 per gallon, the United States Military is extremely interested in pursuing this economical fuel efficiency solution across a broad range of applications and will first test GMZ Energy’s TEG in a Bradley Fighting Vehicle.

Cheryl A. Diuguid, CEO of GMZ Energy, said: “We are pleased to announce the success of our high temperature 200 watt thermoelectric generator. This is a crucial step towards improving fuel efficiency and decreasing overall emissions in both military and civilian vehicles worldwide.”

The 200W TEG is a modular component of a larger 1,000W TEG that GMZ Energy is developing for the $1.5 million TARDEC program. Combining a module approach with a scalable thermoelectric heat exchanger design, GMZ Energy will integrate multiple 200W blocks into a single 1,000W diesel engine waste heat recovery solution. The TARDEC TEG incorporates GMZ Energy’s TG8-1.0 thermoelectric modules, which are the first commercially available, off-the-shelf modules capable of operating with continuous hot-side temperatures up to 600°C while at power densities greater than one Watt/cm².

About GMZ Energy

GMZ Energy is the only provider of commercially viable, low-cost thermoelectric modules that reliably generate power from high-temperature heat sources. The company’s TEG solutions can increase efficiency in virtually all internal combustion engines, improve the economics of large-scale industrial heating processes, and even add a power generation function to conventional combustion products such as boilers and camp stoves. GMZ Energy supplies its TEG modules to OEM partners in the automotive, heavy equipment, HVAC, consumer products, power generation, industrial waste heat and military industries. Founded in 2006 and headquartered in Waltham, MA, GMZ’s top-tier investors include Kleiner Perkins Caufield & Byers, BP Alternative Energy, I2BF, Mitsui Global Investment, and Energy Technology Ventures, a joint venture between General Electric, NRG Energy, and ConocoPhillips.

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