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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 gives up more information on Frankfurt-bound Yaris Hybrid-R concept

Toyota has undeniably carved out a niche for itself as the industry's leader in hybrid propulsion. What started out with the original Prius in 1997 has, over the past sixteen years, ballooned to what Toyota reports as a global hybrid portfolio of 23 models. But few (if any of them) are particularly exciting.
That's where the Yaris Hybrid-R concept comes in. Set to be showcased along with the rest of Toyota's hybrid and fuel-cell lineup at the upcoming Frankfurt Motor Show next month, the concept starts with one of the Japanese auto giant's least exciting models and upgrades it to more enticing territory. Toyota Motorsport GmbH - the same Cologne, Germany-based division that operated the company's F1 team, currently runs its Le Mans program and gave us that bonkers 650-horsepower Lexus LS - has slotted in a version of Toyota's new 1.6-liter Global Race Engine and paired it with a couple of electric motors for hybrid propulsion and through-the-road all-wheel drive.
Like the TS030 Hybrid LMP1, the Yaris Hybrid-R concept uses a super capacitor (instead of a conventional battery) to store the regenerated brake energy and give it upwards of 400 horsepower. That's about all Toyota is revealing at this point, but this is the first time it has confirmed the project is based on a Yaris, of all things, and the confirmation comes with the solitary teaser rendering you see above. Check out the press release after the jump and watch this space for more as Frankfurt fast approaches.

Jaguar E-Type with Supra's 2JZ debuts at SEMA looking fly and fast

We hope you’re not bored of seeing Toyota 2JZ engine-swapped cars, because this one sure does capture our attention. The 1969 Jaguar XKE 2+2 youÂ’re looking at here is unlike any E-Type youÂ’ve seen before, and while it still has a straight-six under the hood, pretty much everything else about the coupe has fundamentally changed. In a nod to just how beautiful the E-Type is to begin with, its design is only different in this Eneos build because it needs to be. Fender flares were designed and 3D-printed by Illumasthetic, and they were then strengthened with carbon fiber. Why did it need the flares? Well, thatÂ’s because the 2JZ-GTE 3.0-liter turbocharged inline-six from the Supra produces far more power than the E-Type ever did, requiring a lot more rubber to keep things straight. Of course, the Supra engine isnÂ’t stock, as itÂ’s been modified with Deatschwerks injectors, a Nuke Performance fuel system, CP-Carillo pistons and rods, a Borg Warner EFR 8474 turbo, Vibrant Performance intercooler Â… the list goes on forever. Output is estimated at about 750 horsepower. The Frankenstein theme continues with the E60 generation 535i rear subframe suspension and differential out back. Meanwhile, it uses the five-speed manual transmission from an E36 generation M3. The front suspension is custom, and while BMW brakes are used in the rear, Eneos chose brakes off a 2003 Chevy Corvette up front. The 17-inch Rotiform STL wheels are wrapped with Bridgestone Potenza RE-71 RS tires. Inside, this Jag-yota gets a full roll-cage, Tillett seats, an OMP steering wheel and a whole lot more. Eneos credits Faruk Kugay as the carÂ’s builder – Kugay previously built some rather creative cars, like a 997 Porsche 911 GT3 with a Subaru Impreza STI EJ25 engine and an E30 BMW 3 Series with a Honda S2000Â’s 2.0L engine. This Jaguar takes the wild engine swaps and engineering to totally new heights, though, and we canÂ’t help but simply love the way itÂ’s been executed. Related Video