ultium energy recovery recoups typically wasted heat from the battery and other propulsion components, along with humidity from inside and outside the vehicle, to help gm's ultium based evs charge and accelerate quicker, and can even enable performance features

Normal MotorsAutomotive and Driver

  • We’re actually simply getting began with electrical autos, and the varied methods they can be utilized to do issues ICE autos cannot. That brings us to this GM patent utility, displaying a intelligent technique of fast-charging two EVs’ batteries on the identical time.
  • Certain, charging at both 400 or 800 volts is neat, however think about pulling your GMC Hummer EV as much as the fast-charger after which connecting, say, a Chevrolet Silverado EV to the Hummer’s second port to cost the Silverado on the identical time.
  • That is all a lot extra attention-grabbing than the dry language of patents that GM used to title the invention: “Adaptive fast-charging of multi-pack battery system in a cellular platform having twin cost ports.”

    Electrical autos have the potential to supply options that easy gasoline-powered vehicles and vans merely cannot. From extra versatile inside format design potentialities to regenerative brakes that flip slowing down into electrical power, we’re nonetheless studying what the EVs of the longer term will probably be able to. Normal Motors is experimenting with battery applied sciences, asserting a characteristic that permits its Ultium packs to recapture waste warmth from the conventional automobile operation and use it to increase vary. However this isn’t the one attention-grabbing new approach a GM EV would possibly work in another way than rivals’ fashions because of a patent that exhibits the chance for 2 cost ports and the power to cost two autos off of 1 DC quick charger.

    GM’s Ultium batteries use a modular design and might include between six and 24 modules, relying on automobile measurement and efficiency necessities. Ultium’s neat trick is that it may change the layers of its packs to be related in both collection or parallel. The EVs GM sells right now have separated layers of battery modules. The Version 1 GMC Hummer EV, for instance, has a 212.7-kWh pack that provides a variety of 329 miles. Inexperienced Automotive Studies, which first noticed the patent, notes that the GMC Hummer EV makes use of 24 modules, however they’re organized in two units of 12 modules. A brand new patent utility filed by GM makes use of the 2 ports to do quite a lot of attention-grabbing issues, similar to cost a number of EVs in a daisy chain set-up. This sort of battery has been confirmed for the Hummer EV in addition to the upcoming Chevy Silverado EV and GMC Sierra EV fashions, and we suspect we’ll see it in lots of extra GM EVs down the highway.

    gm patent for dual fast charging

    U.S. Patent and Trademark Workplace

    The principle thought of GM’s patent is to discover the pliability allowed by having the switchable connection. The manufacturing autos function at 400 volts, with the battery layers related in parallel. However they change to collection in order that they’ll cost at an 800-volt DC quick charger, similar to these from Electrify America. The patent suggests further potentialities, the place an 800-volt charging station may as an alternative cost two EVs related collectively through a second cost port, each of which might keep of their 400-volt parallel configuration. That’s intelligent, and would successfully doubling the variety of vehicles a single DC quick charger can cost up without delay, which can grow to be a greater and higher thought as extra EVs are on the roads and begin to overwhelm the charging infrastructure. Additionally, GM has already introduced that the Hummer EV will provide bi-directional charging by means of an elective Energy Station, so instruments and different electrical units will work simply fantastic when the truck is parked at a job web site or campground.

    As at all times, simply because a patent utility has been filed doesn’t imply this know-how will come to market.

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