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Liquid air offers energy storage hope

RATE THIS! +6
Posted in Science on 2nd Oct, 2012 06:20 PM by AlexMuller

The Institution of Mechanical Engineers says liquid air can compete with batteries and hydrogen to store excess energy generated from renewables. IMechE says "wrong-time" electricity generated by wind farms at night can be used to chill air to a cryogenic state at a distant location. When demand increases, the air can be warmed to drive a turbine.

 

Engineers say the process to produce "right-time" electricity can achieve an efficiency of up to 70%.

 

IMechE is holding a conference today to discuss new ideas on how using "cryo-power" can benefit the low-carbon economy. The technology was originally developed by Peter Dearman, a garage inventor in Hertfordshire, to power vehicles.

 

A new firm, Highview Power Storage, was created to transfer Mr Dearman's technology to a system that can store energy to be used on the power grid.



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