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Liquid metal batteries.

Discussion in 'Chemistry' started by amusicsite, 12 Apr 2012.

  1. amusicsite

    amusicsite dn ʎɐʍ sᴉɥ┴ Staff Member

  2. Yellow Fang

    Yellow Fang Veteran Geek

    2 MWh is not bad. My annual electricity consumption is about 2 kWh. A shipping container seems pretty big though.
  3. amusicsite

    amusicsite dn ʎɐʍ sᴉɥ┴ Staff Member

    The idea is these would be like sub stations to buffer the electricity from renewables. It's scalable down to more household levels.

    So far they have only scaled this up to a 16-inch tube, which produces one kilowatt-hour of energy.

    Their key aims is to use abundant materials and produce them at low cost. The idea then being to be able to mass produce them on huge scale.

    Their example, and inspiration is...


    Aluminum manufacturing plants. These rows of smelting blocks can go on for miles. So what if you replaced all those blocks with cheap batteries? Could you make a store that holds more potential energy than a reservoir using less space? Maybe throw a few around towns, cities and the like. Under buildings or in their own buildings.

    Then I guess the idea is to have enough renewable to keep these topped up and supply demand. With these stores kicking in to supply demand when you don't have the right conditions to generate from renewables.

    So you would have say 300% of your needs generated from solar for say 10 hours a day and probably 300% of your needs in batteries. Most days you top up the batteries while also supplying demand during the day. Then run of batteries at night.

    So the end game is not mega watts but terawatts or more. So it's about have realistic cost and components that we not going to fight wars over to secure.

    There system is also a simple pump in/ pump out system, so easy to move electricity about. The main alternative we have at the moment of any scale is pumped storage. Where you pump water up, then let it fall back through generators. This is quite a heavy loss system. So although they don't say how much energy is lost or how often you need to top up the core elements. It only has to be more cost effective and efficient than building two huge reservoir, a pumping station and water/ gravity electrical generation system.