Tesla Patents Next-Gen Electric Car Battery that Gets 400 Miles on a Single Charge

by , 09/20/13

electric vehicle, electric car, tesla motors, electric supercar, lithium-ion battery, metal-air battery, hybrid battery

Over the years, one of the biggest obstacles to widespread electric vehicle adoption has been the issue of how far the car can travel on one charge. Cars that can only travel 100 miles without plugging in might be okay for your commute to and from work, but since charging stations aren’t as easily-accessible as gas stations, longer distances pose a problem. That’s the issue Tesla Motors is trying to solve with an innovative new type of battery it has just filed to patent — a hybrid lithium-ion and metal-air battery pack that could extend the range of the company’s electric vehicles to 400 miles between charges.

electric vehicle, electric car, tesla motors, electric supercar, lithium-ion battery, metal-air battery, hybrid battery

The hybrid battery will rely on the more expensive, but more durable lithium-ion component for short-term travel, switching only to the metal-air battery for longer trips. The metal-air battery has a shorter lifetime when exposed to regular charging, but is less costly to produce, meaning long-range electric vehicles using the technology wouldn’t be significantly more expensive than Tesla’s regular offerings. The only potential downside is that frequent long-distance travel would wear down the battery quickly for anyone who travels often.

+Tesla Motors

Via CleanTechnica

Lead image © Boom Boom

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  1. AnnaO September 23, 2013 at 3:16 pm

    I wonder, are these new batteries environmental-friendly enough in production and waste disposal to compete with a regular car?!

  2. Bruce Bergman September 21, 2013 at 1:12 am

    If the Metal-Air long-distance battery has a short lifespan, then it isn’t much of a bargain. We need some solid numbers to make a rational decision. Use the Metal-Air 20, 30, 40 times and have to spend $10,000 (I’m probably guessing low) to replace it, and suddenly it isn’t much of a bargain per mile traveled.

    Take a train or plane, and rent a electric car at your destination for local jaunts when you get there. FAR more economically and environmentally sound solution. Or get Amtrak to run more AutoTrain service cross country – right now it’s only New York to Florida.

    If you insist on driving there and back, a Serial Hybrid (Prius) or Alternative Fuel car (Honda Civic GX running CNG) and beef up the CNG and LNG filling station network makes far more sense.

    They can have those filling stations ready between one and two years from the word Go. It’s a “Chicken or Egg” problem, right now there’s not enough demand for them.

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