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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 RAV4 EV recalled for Tesla motor assembly software problem

As we noted this morning, Toyota is recalling 112,500 cars and SUVs to fix problems with electric power steering controls and electric vehicle software. The largest of two recalls announced yesterday cover about 110,000 2015 Camry midsize sedans and Highlander SUVs, as well as 2014 and 2015 RAV4 SUVs. There is a specific problem for those RAV4s that are also of the electric variety, which Toyota built with Tesla help from 2012 through 2014. This recall covers 2,500 RAV4 electric vehicles. Software in a motor assembly can make the vehicles shift into neutral on their own. Toyota says it knows of no crashes or injuries that resulted from the problem. For the non-EV-specific recalls, Toyota says a circuit board in the electric power steering may have been damaged at the factory. Power-assisted steering could fail, increasing the effort needed to steer and raising the risk of a crash. Dealers will inspect and replace power steering controls if needed. Related Video: The AP contributed to this report. Featured Gallery 2012 Toyota RAV4 EV: First Drive View 22 Photos News Source: Bloomberg Green Recalls Tesla Toyota Electric rav4 ev toyota rav4 ev

Toyota Europe boss says 'reasonable number' of fuel cell vehicles on the way

We know that Toyota is gung-ho about delivering its first hydrogen fuel cell sedan to early-adopter markets like southern California and part of Japan next year. The Japanese automaker's European H2 plans have long been part of the mix, but a new press release shows just how committed Toyota is to hydrogen all around the world. "The volume will be limited, but they will be visible on the streets" – Didier Leroy Toyota says hydrogen fuel cells are a "major, but logical next step" after the company's pioneering work on gas-electric hybrids for 15 years. Didier Leroy, president of Toyota Motor Europe (pictured), said in a statement that he knows there will be H2 hurdles, and so Toyota will start with "a reasonable number of cars" in Europe. "The volume will be limited," he said, "but they will be visible on the streets." Karl Schlicht, Toyota Motor Europe executive vice president, compares Toyota's current hydrogen progress with where the company was with hybrid's in the not-too-distant past. When it comes to infrastructure and cost, he said, "There is of course a long way to go, as with any game-changing technology, but remember the same was said about hybrid only 10 years ago." You can read the full PR below. We don't remember a lot of people saying the infrastructure for hybrids simply wasn't there in 2004, but maybe we missed that memo. TOYOTA EXECUTIVES SET THE SCENE FOR DELIVERING FUEL CELL TECHNOLOGY 16/04/14 from Toyota The next era in Toyota's technology development is about to become production reality, with the market introduction next year of the company's first hydrogen fuel cell-powered car. It's a major, but logical next step for the company, as it builds on the success it has achieved with hybrid over the past 15 years. Karl Schlicht, Executive Vice President of Toyota Motor Europe, is explicit about Toyota's commitment to hydrogen power and the potential of fuel cell vehicles to deliver on the company's ambitions to develop the ultimate eco-car. He says: "Our unique hybrid history and experience have proven invaluable for the next big leap. Back in 2010, we promised our first fuel cell car for 2015 and we are fully on track to honour our commitment. "Fuel cell is a technology that can secure our concept of personal mobility. That's because fuel cells combine the strengths of EVs (electric vehicles) and hybrids, with those of conventional cars.