Energy & Green Tech

Building better batteries

Lithium-ion batteries, widely used in devices ranging from electric cars to iPhones, are composed of a cathode made from a positively charged lithium compound and an anode composed of negatively charged carbon. Ideally, anodes ...

Energy & Green Tech

In batteries, a metal reveals its dual personality

Battery researchers have been focusing on lithium metal electrodes as leading contenders for improving the amount of energy that batteries can store without increasing their weight. But lithium in this metallic form has a ...

Energy & Green Tech

Toyota scientists make breakthrough on safer, smarter batteries

For anyone (i.e. everyone) who's ever panicked when their mobile device chirped, "low battery," the future could be far less stressful, thanks to the advanced battery research of scientists at the Toyota Research Institute ...

Energy & Green Tech

Controlling lithium metal deposits using different metal substrates

(Tech Xplore)—Cell phones, laptops, and other electronic devices that have rechargeable batteries use lithium ion batteries. Lithium batteries have a high energy density. Fewer cells are needed to power a device, which ...

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