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Solid-state batteries: Why Toyota's plans could be a game-changer for EVs

Word out of Japan today is that Toyota is working on launching a new solid-state battery for electric vehicles that will put it solidly in the EV game by 2022. Which leads to a simple question: What is a solid-state battery, and why does it matter? Back in February, John Goodenough observed, "Cost, safety, energy density, rates of charge and discharge and cycle life are critical for battery-driven cars to be more widely adopted." And risking a bad pun on his surname, he seemed to be implying that all of those characteristics weren't currently good enough in autos using lithium-ion batteries. This comment is relevant because Goodenough, professor at the Cockrell School of Engineering at the University of Texas at Austin - it so happens, he turns 95 today - is the co-inventor of the lithium-ion battery, the type of battery that is pretty much the mainstay of current electric vehicles. And he and a research fellow at U of T were announcing they'd developed a solid-state battery, one that has improved energy density (which means a car so equipped can drive further) and can be recharged more quickly and more often (a.k.a., "long cycle life") than a lithium-ion battery. (Did you ever notice that with time your iPhone keeps less of a charge than it did back when it was shiny and new? That's because it has a limited cycle life. Which is one thing when you're talking about a phone. And something else entirely when it involves a whole car.) What's more, there is reduced mass for a solid-state battery. And there isn't the same safety concern that exists with li-ion batteries vis-a- vis conflagration (which is why at airplane boarding gates they say they'll check your carryon as long as you remove all lithium-ion batteries). Lithium-ion batteries may be far more advanced than the lead-acid batteries that are under the hood of essentially every car that wasn't built in Fremont, Calif., but as is the case with those heavy black rectangles, li-ion batteries contain a liquid. In the lithium-ion battery, the liquid, the electrolyte, moves the lithium ions from the negative to the positive side (anode to cathode) of the battery. In a solid-state design, there is no liquid sloshing around, which also means that there's no liquid that would freeze at low operating temperatures. What Toyota is using for its solid-state battery is still unknown, as is the case for the solid-state batteries that Hyundai is reportedly working on for its EVs.

Hyundai: Dad

Even though we know Hyundai is launching Genesis as its own brand, Kevin Hart is here to tell you something very important about the current Hyundai Genesis: it's great for helicopter parents wanting to keep an eye on unchaperoned sons and daughters. There are other perfectly good uses for Hyundai's Blue Link smartwatch app, but we think concerned parents will pay close attention to this feature. Watch the ad and see if Kevin Hart delivers the laughs. Marketing/Advertising Hyundai Super Bowl Commercials 2016 super bowl ad

WRC driver fills radiator with beer from sponsor Corona

Rallying requires lightning quick reflexes and the ability to turn off one's sense of self-preservation. This much is not in doubt. Anyone that's ever seen a rally car hurtle along a tree-lined spit of dirt road at high speeds could tell you that. What many people don't know is that it also requires a strong mechanical sense. Knowing how to repair one's car when far from the service garages is a must. A strong sense of ingenuity is pretty handy, as well.
It was that sense of ingenuity that came to the aid of Thierry Neuville (shown above during last weekend's Rally Mexico), a WRC driver for the Hyundai Motorsport team, after his i20 suffered a radiator leak during the drive back to service. Neuville and his co-driver, Nicolas Gilsoul, hopped out of the car, assessed the issue and realized they needed to patch the radiator leak and refill the coolant, which they were fresh out of. So, instead, they used beer.
The pair had been awarded a magnum-sized bottle of Corona from the Rally Mexico's corporate sponsor after the final power stage. As Neuville doesn't drink, they tossed the beer in the back of the i20 and set off for the garages. It was a good thing they did, as adding the Mexican lager to the car's system allowed them to limp back to service.