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Scientists solve chemical puzzle of lithium air batteries

January 22, 2016
by Stephen Kimbell
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Battery scientists in the US believe they’ve overcome a major obstacle to the development of lithium-air batteries. Such batteries have the potential to store electricity at up to five times the energy density of lithium-ion batteries but inherent shortcomings have thwarted their development.

Current lithium-air batteries – in which the metallic lithium of the anode reacts with oxygen from the air – store energy in the form of chemical bonds of oxide compounds. Versions tested to date have stored and released energy from lithium peroxide, an insoluble substance that disrupts the battery’s electrode.

Battery scientists at the US Department of Energy’s Argonne National Laboratory developed a prototype that they claimed had the ability to produce only lithium’s superoxide, not peroxide, as the battery discharges. Unlike lithium peroxide, lithium superoxide breaks down into lithium and oxygen, thereby offering the possibility of a battery with high efficiency and good cycle life.

Read the complete article published by The Engineer, 22 January 2016

About the Author
Stephen Kimbell is a specialist in business strategy and deal doing. He is an investor, an entrepreneur and an experienced non-executive director. During his many years in the corporate finance world, as a lawyer, a company director and as an academic, Stephen has helped numerous companies achieve success.
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