Tesla has announced new, internally-produced batteries for its electric cars, signaling a major shift from the automaker that, if successful, could significantly reduce the cost of electric vehicles.
“I think it’s the way all electric cars in the future will be made,” said CEO Elon Musk at Tesla’s “Battery Day” event outside its production facility in Freemont, California, on Tuesday.
Tesla’s new battery cell features a “tabless” design, which the company claims will provide five times the energy, six times the power, and 16% more range compared to its old battery cell.
The company’s current vehicles use batteries sourced from suppliers like Panasonic, where the energy stored in the battery pack is transferred to the car’s drivetrain via a conductive metal tab.
The new battery pack accomplishes the same thing by using a design that integrates a series of small bumps and spikes, which the company hopes will eliminate the need for a tab, and consequently drive down costs and production time. Musk tweeted the tech is “way more important than it sounds,” after the patent was approved back in May.
“This is not just a concept or a rendering; we are starting to ramp up manufacturing of these cells at our pilot ten gigawatt-hour production facility,” said Drew Baglino, Tesla’s Senior Vice President, Powertrain and Energy Engineering.
Tesla also said the new batteries would be 56% less expensive to manufacture and are being developed entirely in-house.
“They own the whole widget,” said Car and Driver Senior Editor of Technology Roberto Baldwin, “which is what gives them the ability to control every aspect, and to tweak as much efficiency as they can out of everything — out of their batteries, out of their motors, out of their inverters.”
Tesla’s investment in its own battery technology doesn’t mean it’s ramping down partnerships with other battery producers, Musk said. In a tweet prior to Tuesday’s event, the CEO said the company plans to “increase, not reduce battery cell purchases from Panasonic, LG & CATL (possibly other partners too.)” He also said the company is predicting shortages in battery cells from those suppliers and is ramping up in-house efforts to mitigate those shortfalls.
Musk said during the event that Tesla is planning to produce 100 gigawatt-hours of battery cells per year by 2022, and three terawatt-hours of cells per year by 2030.
“It allows us to make a lot more cars and a lot more stationary storage,” he said.
Bringing down the cost of battery production is part of Tesla’s plan to eventually sell 20 million vehicles annually — about fifty times more than they sell now, the company said.
“I think twenty million is doable,” said Car and Driver’s Baldwin. “As long as they can continue to grow, and continue to invest and sort of stay ahead of everyone.”
Source: abcNews| By: Michael Dobuski and Leighton Schneider| September 26, 2020 |https://abcnews.go.com/US/teslas-battery-technology-drive-cost-electric-cars-company/story?id=73222745
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