Dec 7, 2017

12/07/2017: Why battery technology is so hard to perfect

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Battery technology is hard. We need batteries that last longer, charge faster and take up less space. And that’s important when it comes to not just our devices, but also renewable energy, electric cars and electrical grids. Marketplace Tech host…

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Lithium-ion batteries are about as good as they can get

Dec 7, 2017
But it's just a matter of time before the problem is solved, a UC Berkeley engineer says.
To make lithium-ion batteries better, you have to invent new materials, says Kristin Persson of UC Berkeley.
David Becker/Getty Images

Battery technology is hard. We need batteries that last longer, charge faster and take up less space. And that’s important when it comes to not just our devices, but also renewable energy, electric cars and electrical grids. Marketplace Tech host Molly Wood talks with Kristin Persson, an engineer who works in a lab funded by the Department of Energy, about why lithium-ion batteries can’t get much better and what the next battery looks like.

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