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GM unveils plans for lithium-metal batteries that could boost EV range
GM has released more details about its next-generation Ultium batteries, revealing that it's betting on lithium-metal technology to boost performance and energy density.
Smartphone batteries with twice the life may arrive in 2017
A type of lithium battery that could make gasoline-powered cars obsolete is on track to be commercialized, according to MIT News. The "lithium metal" batteries, developed by MIT spin-off SolidEnergy, can reportedly pack the same energy as a standard lithium-ion cell in half the size. "Or, we can make a battery the same size as a lithium ion battery, but now it will last twice as long," says SolidEnergy CEO Qichao Hu.
Great, another 'solution' to your smartphone's terrible battery life
If you want your smartphone to last longer without carrying flammable gas in your pocket, there may possibly, conceivably be new battery tech coming soon (maybe). Yep, we're skeptical after many a disappointing "breakthrough," but an MIT spinoff company called SolidEnergy claims it has developed a new type of lithium-ion battery that can store more energy and still survive hundreds of charging cycles. It resorted to a method that's been tried before: replacing the usual graphite electrodes with lithium metal. Previous attempts failed, however, because such electrodes react with the battery's electrolyte, forming "dendrites" that cause tiny problems like explosions.
