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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 Prius line may not reach 2013 sales target

2012 was a good year for the Toyota Prius line, the hybrid that started it all moving 236,659 units, being the best-selling model in California for the year and the Prius C (pictured) being deemed the most reliable car of 2012 by Consumer Reports. Then 2013 happened, and gas prices dropped more than expected, and people haven't been buying the little hybrids like they used to.
A report in Bloomberg says Toyota set 250,000 units as the Prius family's sales target for this year, but hits like the double-digit drop in year-on-year performance in February have helped lower 2013 sales by 8.4 percent compared to 2012, making the objective "a challenge" to reach. The declines in Prius sales come even as hybrid sales overall were up in the first couple of months this year, including sales of other Toyota and Lexus hybrids. Jim Lentz, Toyota's North American chief, said the Prius target would be adjusted if necessary.

Driving the new Prius Prime, Lordstown goes bankrupt and the march to NACS | Autoblog Podcast # 787

In this episode of the Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Road Test Editor Zac Palmer. They start the show by talking about the cars they've been driving. Zac spent time in the 2023 Toyota Prius Prime and 2023 Jeep Compass, while Greg chats about his week in the 2023 Cadillac CT5-V and 2023 Hyundai Santa Fe Calligraphy. Next, they hit the news and chat about Lordstown's bankruptcy, Volvo (and others) adopting Tesla's NACS port and the revealed presence of a BMW M5 Touring. Finally, they conclude with the Spend My Money segment where a listener is looking for help finding a new EV or PHEV. Send us your questions for the Mailbag and Spend My Money at: Podcast@Autoblog.com. Autoblog Podcast # 787 Get The Podcast Apple Podcasts – Subscribe to the Autoblog Podcast in iTunes Spotify – Subscribe to the Autoblog Podcast on Spotify RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Rundown Cars we're driving 2023 Toyota Prius Prime XSE Premium 2023 Cadillac CT5-V 2023 Jeep Compass 2023 Hyundai Santa Fe Calligraphy News Lordstown bankruptcy Volvo adopts NACS, and the trend continues A BMW M5 Touring is coming, but will it come here? Spend My Money Feedback Email – Podcast@Autoblog.com Review the show on Apple Podcasts Autoblog is now live on your smart speakers and voice assistants with the audio Autoblog Daily Digest. Say “Hey Google, play the news from Autoblog” or "Alexa, open Autoblog" to get your favorite car website in audio form every day. A narrator will take you through the biggest stories or break down one of our comprehensive test drives. Related video: Green Podcasts BMW Cadillac Hyundai Jeep Toyota Volvo Green Automakers Technology Crossover Hatchback SUV Wagon Electric Hybrid Luxury Performance Sedan Podcasts