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Distributed Power

There is tremendous need for lightweight, long-lasting electric power supplies for laptops, communication equipment, and a vast array of other portable electronic equipment. The need for such lightweight distributed power systems will continue to grow as more electronic devices are produced, and as the developing world continues its economic progress.

An efficient heat-to-electric conversion system would be an excellent power supply for the many applications that require distributed or mobile power. Existing power supplies leave much to be desired. Lithium ion batteries have improved over the years, but still suffer significant limitations in both energy and peak power. The specific energy of a lithium ion battery, for example, is more than an order of magnitude less than that of gasoline.

Fuel cells potentially offer higher specific energy, but their peak power is even less than that of lithium ion batteries. After many years of extensive R&D efforts, fuel cells have not become a solution for electric power supplies.

There is a similar need for larger power generation devices that have higher thermal efficiencies than diesel generators, particularly if they could operate from a variety of heat sources.

Neothermal’s technology uses a different pathway to convert heat to electricity that yields higher energy and power densities than other electric power sources now available. For example, the U.S. Department of Energy has Year 2010 targets for fuel cell systems of 100 watts per kilogram for small, portable power systems in the milliwatt to 50 watt range. Neothermal’s technology should provide higher power and energy densities than these DOE goals when engineered into specific applications, and it will generate electricity at any time and in any weather, unlike solar. Neothermal’s technology should also attain better thermal efficiencies than existing diesel generators.

 

distributed power