Grid-scale energy storage – sequestering electricity and then releasing it on demand – would be highly desirable. But any technology designed for such a purpose would have to deal with daunting amounts of power, be very cheap and have a long service lifetime.
Prof Donald Sadoway, from the Massachusetts Institute of Technology (MIT) in Cambridge, US, has been working on one technology designed to fulfil these requirements – liquid metal batteries.
See on www.bbc.co.uk
Liquid metal promise for future batteries