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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.

2016: The year we talked about autonomy a bunch | Autoblog Podcast #497

This week on the Autoblog Podcast, Mike Austin and David Gluckman take a look back at one of the biggest topics of 2016: autonomous driving. The thing is, there was a lot of news about autonomous driving, but not much in the way of autonomous cars you can buy. They also talk about what they've been driving lately - there was a good turbocharged compact car and a not-so-good turbocharged compact car. And then we round out the year with a quick Spend My Money. The podcast will take a break next week, but we'll be back in the new year with reports from CES and the 2017 Detroit Auto Show. And we're lining up some fun guests for future recordings. The rundown is below. Remember, if you have a car-related question you'd like us to answer or you want buying advice of your very own, send a message or a voice memo to podcast at autoblog dot com. (If you record audio of a question with your phone and get it to us, you could hear your very own voice on the podcast. Neat, right?) And please send trivia questions! You'll get the honor of stumping your fellow listeners, and we'll thank you too. Autoblog Podcast #497 Topics and stories we mention 2017 Hyundai Elantra Sport 2017 Nissan Sentra SR Turbo 2016 Honda Accord V6 (The sedan, but here's our Quick Spin of the coupe for reference) Autonomous Driving Rundown Intro - 00:00 What we're driving - 02:40 Rants (metal trim on steering wheels, learn how your car works) - 14:25 Looking back at autonomous driving in 2016 - 21:10 Spend My Money - 31:20 Total Duration: 37:46 Get The Podcast iTunes – Subscribe to the Autoblog Podcast in iTunes RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Feedback Email – Podcast at Autoblog dot com Review the show on iTunes Podcasts Honda Hyundai Nissan Car Buying Technology Emerging Technologies Autonomous Vehicles nissan sentra

Hyundai RM16 N mid-engine hatchback might be real

So, remember the Hyundai RM16 Concept? The South Korean automaker showed the mid-engine concept at the Busan Motor Show earlier this year, giving the world a glimpse of the menacing and mean future of the N performance brand. While we liked the look, we also lamented that "it doesn't seem any closer to reaching production." Looking at our latest round of photos from the Nurburgring, we might have been a smidge wrong. This car looks exactly like the RM16. Same huge flared fenders, same deep front intake, same rear bumper, and same side scoops for feeding the mid-mounted, 300-horsepower, turbocharged engine. Yes, we said "mid-mounted." While it's easy to see a mid-engine concept and figure, "Meh, it's just an auto show car, the real one will be front-engine, front-drive," it certainly doesn't seem to be the case here, judging by the swollen rear aches, camouflaged rear windows, and enormous side scoops. Really, the similarities between the car shown above and Busan's RM16 is staggering. If we're seeing the production RM16, it's a huge deal. First, because mid-engine, rear-drive hatchbacks are one of the craziest and rarest automotive species - see the Renault 5 Turbo, Renault Clio V6 Renault Sport, and Lancia Delta S4 for examples. Second, and obviously, a mid-engine Hyundai would mark a dramatic departure from today's crop of all-wheel-drive hot hatchbacks, like the Volkswagen Golf R and Ford Focus RS. We're guessing Hyundai's car would enjoy both better handling and lighter weight, while asking drivers to sacrifice most of hatchback practicality. We also don't really know what to make of Hyundai's testing regime. According to our spies in Germany, Hyundai did a single lap of the Ring before heading out. Wet conditions could have called for a shortened day, but it seems odd to come out of the garage for a single lap, weather be damned. At this point, it's genuinely difficult to predict what Hyundai's up to. This car looks relatively finalized, right down to the tongue sticking out of the grille that could be a radar unit. We can't begin to predict when or where this car will debut, if at all. The Geneva Motor Show is a good bet, but that's a total shot in the dark on our part. All we know is that we would love it if this is Hyundai's first N Performance car.