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Trying to change the world with liquid-metal batteries

Ambri liquid-metal battery technology

Ambri, a startup founded by MIT researchers, is developing liquid-metal batteries that can store power for less than $500 a kilowatt-hour – less than a third the cost of other battery technologies. Liquid-metal sounds fancy, but apparently the materials used are abundant and easily obtainable. (The researchers won't say exactly what the metals are.) The technology promises … [Read more...]

Battery 101 – how do batteries work?

Battery diagram – anode, cathode and electrolyte. Illustration: Paul Domar

Creating and storing energy go hand-in-hand. If you’re interested in generating your own electricity, you should have a working knowledge of how batteries work. The definition of a battery What is a battery? The first law of thermodynamics states that energy can be neither created nor destroyed, but fortunately for us, it can be transformed. We can’t store electricity, but we … [Read more...]

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