Liquid air the solution to wind power’s unreliability?

A solution to the most pressing problem facing large scale wind power – how to store surplus energy when the wind is blowing and release it when the weather is calm – is being presented to the public tomorrow for the first time. 1 2 UK firm Highview Power Storage has been developing a technology called liquid air energy storage for the past five years. The company's chief technology officer Dr Rob Morgan will be talking about its possibilities at a free lecture at the IMechE's headquarters in London tomorrow night. Liquid air energy storage takes electricity from the grid at peak times, such as on windy days, and uses it to cool air until it liquefies at minus 196°C. The liquid air can then be stored cheaply and safely until it is needed, when it is exposed to normal, ambient temperatures. The liquid immediately turns back into gas, expanding by 700 times, which is then us...

Full article: http://www.eurekamagazine.co.uk/article/39965/Liquid-air-...

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