Electric vehicles

Interview: Matheu Parr, ACCEL project lead, Rolls-Royce

Describing the event as “a momentous occasion” and an “incredible achievement”, Matheu Parr recalls how Rolls-Royce Electrical’s demonstrator aircraft Spirit of Innovation set three world records. On 16 November 2021 the ACCEL (short for Accelerating the Electrification of Flight) project delivered top speeds over distances of 3km and 15km, and…
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The EV Battery Wish List

Electric cars barely existed in 2010, when the Tesla Model S was still a glint in Elon Musk’s eye. Now more than 20 million EVs girdle the globe, according to BloombergNEF—and that count is expected to nearly quadruple to 77 million by 2025. A battery will be the high-voltage heart…
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Lassoing Lightning With Lasers

The Big Picture features technology through the lens of photographers.Every month, IEEE Spectrum selects the most stunning technology images recently captured by photographers around the world. We choose images that reflect an important advance, or a trend, or that are just mesmerizing to look at. We feature all images on…
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Cold-Weather Batteries Get a Boost

While electric vehicles are increasingly popular today, one reason consumers cite for avoiding EVs is the poor cold-weather performance of the batteries. Now, a new study finds, a novel electrolyte for next-generation lithium-ion batteries could help electric vehicles, mobile phones, and other electronics operate and even recharge quickly during extreme…
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