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Stellantis aims to eliminate separate inverter, charger to improve EV efficiency

Stellantis has announced that, in collaboration with French battery company Saft and French National Center for Scientific Research, has made significant progress in eliminating two major components of an electric vehicle powertrain: the on-board charger and the power inverter for the motor. The company claims that doing this will allow for better space use in vehicles, as well as improvements in efficiency, cost and reliability of components. As a quick primer, also explained in the below video, the on-board charger and power inverter are sort of translators to get the right current to different parts of the electric powertrain. The on-board charger takes AC power from the grid and converts it to DC to charge the batteries. Then when power goes from the batteries to the electric motor, the power inverter converts that DC power back to AC. These components aren't exactly small. Frequently you'll find them packaged somewhere under the hood. What Stellantis and its cohorts have developed, and have been using on a test vehicle since last summer, are small power inverter boards that can be mounted very closely to the battery packs. They can handle both conversion needs, for charging and discharging, instead of needing two separate devices. The most obvious perk to this is that you can do away with those traditional components and free up more space, either for making smaller vehicles without losing interior volume, or adding space to a vehicle that wouldn't have had it otherwise. There's the additional benefit of reduced weight, something that EVs struggle with. Stellantis also claims improvements in efficiency, reliability, and cost, however, it didn't go into detail as to how this setup would do that exactly. We'll try to get in touch with representatives from Stellantis in order to get more information. We're still a ways out from seeing this technology in production Stellantis vehicles. The company said it aims to apply it to vehicles by the end of the decade. Saft is also looking at using it on stationary battery systems as well. So maybe we'll see it on a 2029 Ram 1500 REV, but for now, we'll be living with traditional chargers and inverters. Related Video: Green Alfa Romeo Chrysler Dodge Fiat RAM Technology Electric

Alfa Romeo flagship EV due in 2027 with 18-minute recharge time

Last July, Alfa Romeo boss Jean-Philippe Imparato said his Italian concern would develop a new battery-electric vehicle in the U.S. that would launch here in 2027. It would take the new top spot in the lineup, being larger than the Stelvio, full of tech and full of performance. During the launch of the Tonale in Japan, the boss shared provisional specs of the "high-performance SUV" with Automotive News Europe. The pack of some unknown size would juice motors putting out from 300 to 800 horsepower in the standard range, and around 1,000 horsepower in a Quadrifoglio trim. Here's the big stat: In ANE's words, an 800-volt architecture would enable "recharging times of 18 minutes max, [Imparato] said." We'd sure like to know the qualifications required to get an 18-minute charge. Porsche advertises the Taycan's 93.4-kWh Performance Battery Plus as being able to go from 5% state-of-charge to 80% in 22.5 minutes when the sedan's been optioned with the $460 On-Board DC Charger. Naturally, that's under ideal conditions and when plugged into a charger that can feed the Taycan at its max 270-kW rate. When veteran hypermiler Wayne Gerdes took a Taycan across the U.S. in five days, he said his first charge at a 350-kW Electrify America unit took 22 minutes to get the battery from 6% to 82%. Knowing that the initial few percent and those last 20% take longer than the meaty bit in the middle, we going to guess Imparato's time assessment leaves out the time-consuming portions of charging the battery near empty and close to full. But hey, four years is a long way away in the EV-verse.  The CEO said the Alfa Romeo will compete with the BMW X5, a crossover almost exactly ten inches longer than the Stelvio (pictured), which is currently the largest product in the portfolio and the best-seller in the U.S. The Italian might not share a traditional CUV shape with the German, Imparato having said that aerodynamic needs could lead to a shape between a sedan and a crossover. If things are on track in Milan, executives approved the design before the end of 2022.  We'll begin to see what Alfa Romeo's EV-only future when the brand's first dedicated EV shows in 2025. Related video:

The troubled Alfa Romeo Giulia needs serious help [UPDATE]

UPDATE: An Alfa Romeo US spokesman responded to this article with the following statement: The safety concerns expressed in the story are false. The all-new 2017 Alfa Romeo Giulia is designed and engineered to meet or exceed all federal safety regulations. The Alfa Romeo Giulia will begin production for the North American market in the late second-quarter of this year. Alfa Romeo will have a full product portfolio of premium vehicles that includes plans for (8) all-new Alfa Romeo vehicles by 2020. The product launches are prioritized by segment volumes starting this year with the Alfa Romeo Giulia production for North America starting in late Q2, followed by the Midsize-UV – the 2nd largest premium segment in North America. Even on the day you dragged them kicking and screaming and gesticulating wildly to a table full of concrete evidence, Alfa Romeo executives will never admit the Giulia program is going through a tough patch. But it is. Reports say the Giulia, on the eve of production, didn't just fail one internal crash test, but failed the front, side and rear impact tests. Alfa denies it. Automotive News published a report last week saying two suppliers had insisted the Giulia, on the eve of production, didn't just fail one internal crash test, but failed the front-, side-, and rear-impact tests. A third supplier source told us the same thing. Alfa is denying it. It was due on sale in Europe late last year and was supposed to be here in the next month or two. But it wasn't, and it won't. It was to be headlined by a twin-turbo V6 that reportedly howled its way around the Nurburgring 14 seconds faster than the BMW M3 could manage. That second part is only true if you believe it's fair to compare a full lap in a standard BMW M3 with a favorable accumulation of sector times to a development prototype Giulia with 220 pounds stripped out of it and rolling on hand-cut racing slicks. No, me neither. A Promising Start The Giulia's all-new architecture was developed in just two years by a skunkworks of young engineers headed by Fiat's engineering prince, Philippe Krief, and (bafflingly) sited inside Maserati's headquarters complex in Modena, about three hours from Alfa Romeo's own Turin HQ.