December 8, 2014

A generator that converts waste heat into elecricity?

Guardian - What if hot air could become electricity? That is the goal of clean technology startup company, Alphabet Energy, based in California. It has a new so-called thermoelectric material which it says can turn waste heat – such as that from car exhausts and industry – into usable electric power more cheaply and efficiently than ever before, saving both money and the environment. “It is the first really low-cost efficient thermoelectric material for waste heat recovery,” says CEO and founder Matthew Scullin.

The company, which was founded in 2009 and has raised over $30m in investment, released its first product which uses the material last October. The E1 thermoelectric generator, which comes in a shipping container, is designed to help make remote-location mining and oil and gas extraction operations more efficient by capturing waste heat from the exhaust of the small, diesel-fuelled power plants they use. Fuel consumption and greenhouse emissions for a one-megawatt power plant can be cut by up to 2.5% – the equivalent of saving 52,500 litres of fuel a year. There has never been a larger thermoelectric generator, Scullin says, adding it is more than 20 times bigger than existing ones. He won’t disclose sales figures but says it is getting “very good early traction” and he expects to see sales ramp up further in 2015, with improvements continuing to be made to the core technology.

1 comment:

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