Many great discoveries happen accidentally, when a scientist is attempting to create a new material or upgrade an existing one, only to stumble upon something different or to achieve the desired results in an unexpected way. Such was the case for K M Abraham who was trying to improve the performance of LiOn batteries when one of his batteries sprung a leak and allowed air into the cells. Over the past twenty years we have barely managed to triple the power of batteries so any advancement in battery technology is welcome even ones which seem at first to have serious drawbacks. The problem with this particular battery design is in the formation of Li2O2 deposits as the battery discharges which will eventually render the battery nonchargeable and useless. Read on at The Register to see how that problem has been overcome and the possible uses of this new type battery.
"Rather than try to fix the leak, Abraham investigated and discovered the first rechargeable lithium-air (Li-air) battery. So far this discovery hasn’t led to any technically viable products, but a paper published in Science from a University of Cambridge research group may be about to change that."
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