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New chip to charge smartphone batteries within minutes

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The maker of a new chip claims that it could reduce the charging times of phones to a few minutes, and could prevent dangerous explosions.
The tiny chip could be embedded into batteries of all sizes and monitor how healthy and charged they are. That in turn would mean that the batteries would become much safer and quicker to charge, according to the scientist that developed it.
Unhealthy lithium-ion batteries can be at risk of exploding or catching fire, as well as gradually losing their capacity so that they run out more quickly. Those problems may become even more important as people move towards electric cars or other vehicles.
“Although the risk of a battery failing and catching fire is very low, with the billions of lithium-ion batteries being produced yearly, even a one-in-a-million chance would mean over a thousand failures,” said Rachid Yazami from the Nanyang Technological University in Singapore.
“This poses a serious risk for electric vehicles and even in advanced aeroplanes as usually big battery packs have hundreds of cells or more bundled together to power the vehicle or aircraft. If there is a chemical fire caused by a single failed battery, it could cause fires in nearby batteries, leading to an explosion.”

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