Scientists Solved the Mystery of Why Rechargeable Batteries Go Bad

Every time you recharge your lithium-ion batteries, their storage capacity decreases just a little bit. That is why your mobile gadgets won't stay on nearly as long as they did even a year ago. But thanks to research by the US Department of Energy, we finally know why exactly that occurs and, more importantly, how to… » 5/29/14 1:40pm 5/29/14 1:40pm

Which State Will Get Tesla's Gargantuan Battery Factory?

Electric car maker Tesla wants a cheaper, faster way to produce the lithium ion batteries that power its cars, and the company has settled on a gargantuan solution: the so-called "gigafactory" that, if all goes as planned, will crank out more lithium ion batteries than the entire world produced in 2013. » 4/01/14 4:54pm 4/01/14 4:54pm

Why Smartphone, Laptop, and Airplane Batteries Explode

Lighter, less expensive and more energy dense than other secondary battery technologies, lithium-ion has become the dominant form of rechargeable battery today. It powers everything from mobile phones and laptops to cars and commercial jets. But there is one little problem—these batteries don't just short circuit,… » 2/20/13 4:00pm 2/20/13 4:00pm

New Li-Ion Batteries Will Run Ten Times Longer and Charge Ten Times Quicker

While gadgets improve by leaps and bounds every year, the technology that powers them hasn't. Batteries still suck, unless something comes of this research at Northwestern University that promises new lithium-ion alternatives that charge ten times faster with ten times the capacity. » 11/16/11 10:20am 11/16/11 10:20am