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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.

Biden says U.S. is willing to continue talks with South Korea on EV subsidy

SEOUL — President Joe Biden has expressed willingness to continue talks with South Korea over recent U.S. legislation that denies subsidies to most foreign makers of electric vehicles (EVs), an official from Yoon's office said on Wednesday. Biden gave the assurance in a letter to South Korean President Yoon Suk-yeol, who had asked the U.S. president last month for help to allay Seoul's concerns that the new U.S. rules would hurt South Korea's automakers. "We assess that President Biden reaffirmed his understanding of our concerns through a personally signed letter .... it shows Biden's willingness to be considerate towards South Korean companies in the future," the official said. The Inflation Reduction Act, signed by Biden in August, requires EVs assembled in North America to qualify for tax credits in the United States, but excluded Hyundai Motor Co and its affiliate Kia Corp from EV subsidies, as they do not yet make the vehicles there. As a result, only about 20 EVs qualify for subsidies under the new rules. Related video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Government/Legal Green Genesis Hyundai Kia EV tax credit

Hyundai recalls 24k Genesis sedans over electrical issue

An electrical problem has prompted Hyundai and the National Highway Traffic Safety Administration to issue a recall for the 2015 Genesis. The problem arises when water leaks into the taillight assembly, which – in a way that would only make sense to an electrician – could cause the incorrect gear to be displayed on the instrument panel or even a delay in switching from Park to Reverse or Drive. Needless to say, if the driver doesn't know into which position the transmission has shifted, that could increase the likelihood of a crash. The issue affects an estimated 24,400 units of the 2015 Genesis in the United States – specifically those manufactured between February 21, 2014, and January 24, 2015. Owners of those vehicles can expect to hear from their local dealer to arrange the installation of additional waterproofing pads to prevent the troublesome moisture from leaking in to the taillights. RECALL Subject : Water may Leak into Rear Combination Lamp Assembly Report Receipt Date: FEB 19, 2015 NHTSA Campaign Number: 15V097000 Component(s): ELECTRICAL SYSTEM , EXTERIOR LIGHTING , POWER TRAIN Potential Number of Units Affected: 24,400 Manufacturer: Hyundai Motor America SUMMARY: Hyundai Motor America (Hyundai) is recalling certain model year 2015 Genesis vehicles manufactured February 21, 2014, to January 24, 2015. Water may leak into the rear combination lamp assemblies and cause an incorrect gear display on the instrument panel or a delay in the engagement of the selected gear when the vehicle is shifted from Park to Reverse or Drive. CONSEQUENCE: If the incorrect gear is being displayed, the vehicle may move in an unintended direction, increasing the risk of a crash. REMEDY: Hyundai will notify owners, and dealers will apply pads to prevent water intrusion into the combination lamp housing, free of charge. The manufacturer has not yet provided a notification schedule. Owners may contact Hyundai customer service at 1-855-671-3059. Hyundai's number for this recall is 128. NOTES: Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.