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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 struggling in Latin American market, attempting recovery

With uncertainty in the US and Chinese markets, automakers are scrambling to rev up their efforts in what were traditionally secondary markets. Take Toyota's efforts in Latin America. A recent story from The Wall Street Journal highlights the Japanese brand's push in the southern hemisphere, particularly in Brazil, where it has expanded its operations and installed new executives with a greater range of powers, all in a bid to grab a bigger slice of the ever-growing South American pie.
South America is dominated by General Motors, Fiat and Volkswagen, which maintain a combined 60 percent of the market share - Toyota holds a mere 4.5 percent. The WSJ spoke with Steve St. Angelo, Toyota's boss in Latin America, who said, "We are playing catch up, but we're catching up fast. We now have the resources to give the region the attention it really needs and deserves."
That attention includes an all-new, locally produced small car called the Etios. As bewildering as it seems, Toyota wasn't competing in the low-cost economy car market in South America. With the Etios, which arrived in September of 2012, its sales in the first seven months of 2013 are up 75 percent.

Toyota spending $168 million to make more Mirai fuel cell vehicles

The last semi-official number we had for pre-orders for the 2016 Toyota Mirai fuel cell vehicle was around 200. But demand is strong enough that Toyota is saying that it will spend 20 billion yen ($168 million US) to expand annual production capacity at the "secretive workshop" where the Mirai will be built from 700 in the first year (2015) to around 2,000 after that. Japanese newspaper Nikkei reported the increase and also breaks down where Toyota expects to sell the small number of Mirai vehicles it will make in the first few years: 400 in Japan by the end of 2015, 200 or 300 In the US in 2015 (and then 3,000 by the end of 2017) and between 50 and 100 in Europe annually starting around 2016. To make all of these hydrogen cars, Toyota will add two lines to the factory where the fuel cell stacks and tanks are built and it will also upgrade the assembly location. In the US, the Mirai will initially only be sold in California next year and will start at $57,500 or lease for $499 a month for 36 months (with $3,649 due at signing). The Japanese automaker is including hydrogen fuel for "up to three years" at that price, mostly because no one knows how to accurately measure and sell H2 for cars quite yet.