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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.

Toyota U2 urban utility concept inspired by Maker Faire [w/video]

There's a quiet revolution happening in US cities. People want to mix an urban lifestyle with a connection to nature and appreciation for craftsmanship. The result of all of this is folks pursuing things as varied as urban farming, home brewing and the whole maker movement. Toyota thinks it has the perfect concept for these intrepid customers with its new Urban Utility concept that it is debuting during a panel discussion hosted by Make: magazine in San Francisco and debuting publicly on September 20 at the World Maker Faire in New York City.
The Urban Utility concept can best be described as a modern take on the old panel van. Designers from Toyota's Calty Design Research center in California interviewed Maker Faire participants to find out what its users want from a novel vehicle like this. "Toyota saw an opportunity for a new approach to an urban vehicle based on increasing re-urbanization of our cities and urban drivers' desire for flexibility, fun and maneuverability," said Kevin Hunter president of Calty.
On the outside, the Urban Utility doesn't really scream for attention. It's meant to meet users "desire for greater utility but a smaller vehicle footprint," according to the release, but the shape is still very much a van. The designers do try to lend it some panache with the LED headlights up front and checker board side panels. It's really more about utility than looks, though, because the roof can roll back for taller loads, the rear glass retracts into the tailgate, and the whole rear can fold down as a ramp to load stuff more easily into the cabin. Toyota isn't talking about a powertrain yet but claims that the underbody is also especially durable for a long life in the big city.

Toyota teases 2014 4Runner, will debut on April 27

The 2014 Toyota 4Runner appears to be getting a styling refresh that is as out of the ordinary for Toyota as the venue at which it will be debuting. Launching on April 27 at the 2013 Stagecoach Music Festival in Indio, CA, the 2014 4Runner looks to be getting more of an in-your-face design. Toyota says this marks the first time it has ever revealed a new product at a music festival.
While we only see two images of the updated 2014 4Runner, the new headlights break from the rectangular shape present on the current model for an edgy, scalloped shape. Below the headlights are vertical air inlets - looking quite similar to the 2014 Subaru Forester XT - but it isn't clear if all models will get these or just special trim levels. The other image Toyota released was of the smoked, LED taillight.
As the presenting sponsor of the music festival, Toyota will have legendary off-road driver Ivan "Ironman" Stewart at the show as well as an off-road driving course for people to drive the automaker's trucks and SUVs. Scroll down for a press release giving some additional information about both the 2014 4Runner and the Stagecoach Music Festival.