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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.

Kyle Busch breaks leg in big crash, will miss Daytona 500

NASCAR driver Kyle Busch suffered a compound fracture of the lower right leg and a mid-foot fracture of his left yesterday at Daytona during the 112th lap of the Alert Today Florida 300, the season-opening race of the 2015 NASCAR XFINITY Series. Busch came into contact with the infield wall just past the pit lane exit, an area where there is currently no SAFER barrier, which is designed to reduce the risk of injury in a crash. Fellow racer Ty Dillon, the third-place finisher in the race, expressed a common refrain following the news of Busch's injury. "I think we're to the point now in NASCAR we should have SAFER barriers at a place like this, we're going so fast. I think we could probably afford it," said Dillon. Matt Crafton will drive the No. 18 Toyota today at the Daytona 500 today as a substitute for Busch, but it's not yet clear if he will continue to drive the car following Daytona. Kurt Busch, Kyle's older brother, will also miss the Daytona 500 due to the domestic violence case against him in Delaware. Video footage of the wreck can be seen above. It goes without saying, but we wish Kyle a speedy recovery and a return to his stock car as quickly as possible.

Refreshed Toyota 86/Subaru BRZ spied running around the Nurburgring

The Toyota 86 and Subaru BRZ are officially confirmed for a second generation, but it looks like this current car will not go softly into the night. One of our spy photographers just caught a camo’d up BRZ/86 pounding around the Nurburgring with a few changes in store. This tester only has camouflage on the front and rear of the car, indicating a light refresh is the extent of the styling changes. In examining the car as a whole, itÂ’s a rather conflicting tester. Both the grille and headlights tell us itÂ’s an 86, but the badge on the rear clearly says “BRZ.”  The Toyota 86 has a different grille than the BRZ, and we can see that style grille flanked by some massaged vents on both sides. Toyota uses a different style of headlight for the 86, and these look similar to those used in the current car. New front-design features are covered up by the camouflage, but the sheet metal doesnÂ’t appear to be changing. Another area of potential change is at the rear of the car. More camouflage on the trunk lid covers the obvious BRZ badge and the taillights. We donÂ’t see much in the way of differences between the taillights on this model and the current BRZ/86 twins, but the manufacturer obviously wants to keep something secret back there. What weÂ’re most excited about is seeing the extra vent behind the front wheels. Current BRZ and 86 trims donÂ’t feature such intense cooling additions. Above it sits what appears to be a badge or protrusion of some sort. The window-level badging is still visible under the wrapping, but the tire-level badge is a new one — itÂ’s similar to the design we see on the WRX and WRX STI.  All things considered, this one is a little confusing. Subaru could be adopting a more Toyota 86-esque design, but we suspect a special edition is in the works. Hopefully it involves more than just design tweaks, and gives this model a hearty send-off before the new generation arrives.