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Future Teslas will have batteries that double as structure, making them extra stiff while improving efficiency, safety and cost


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Future Teslas will have batteries that double as structure, making them extra stiff while improving efficiency, safety and cost

Tesla has fundamentally redesigned the way that its battery packs integrate into their vehicles, turning them into structural elements of the car, rather than just fuel sources on their own. At Tesla’s Battery Day event on Tuesday, Elon Musk compared this to how commercial aircraft used to load fuel into tanks that were contained within…

Future Teslas will have batteries that double as structure, making them extra stiff while improving efficiency, safety and cost

Tesla has essentially redesigned the reach that its battery packs integrate into their vehicles, turning them into structural aspects of the automobile, in desire to ideal fuel sources on their have. At Tesla’s Battery Day match on Tuesday, Elon Musk in contrast this to how business airplane vulnerable to load fuel into tanks that had been contained for the period of the wings, however that had been in actual fact bolted onto interior structure — in a while, they realized significant greater efficiencies in how significant fuel will most likely be carried, moreover weight and aspects utilization, by making the fly bodies proper fuel tanks themselves.

“All popular airplanes, the fuel tank, your fly is ideal a fuel tank and fly formed,” he said. “This is fully the reach to enact it. And then the fuel tank serves as twin structure, and it’s no longer cargo. It’s classic to the structure of the airplane — this became once a predominant leap forward. We’re doing the identical for vehicles.”

By turning the battery cell right into a structural inform of the automobile, Musk pointed out that they can in actuality set extra mass total within the automobile than you would possibly maybe maybe maybe maybe diagram shut on paper while you ideal took out the structural supports within the battery cells as they within the point out time exist. That’s since the battery itself is doing heaps of that purple meat up work — which, he aspects out, in actuality makes the total automobile safer, which can maybe seem counterintuitive.

Tesla will enact this by increasing a filler that is moreover a structural adhesive, and that moreover acts as a flame retardant. It “effectively glues the cells to the high and bottom sheet, and which ability you can enact shear transfer between upper and decrease sheets,” Musk said.

“This offers you unbelievable stiffness, and it’s no doubt the reach that any gargantuan-mercurial thing works is you kind in total a honeycomb sandwich with two piece sheets,” he said. “Here’s in actuality even better than what airplane enact because they can’t enact this because fuel is liquid.”

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The tip results of this would possibly maybe occasionally be that a structure that enables Tesla’s vehicles to be significant stiffer than any recent vehicles. That stiffer place is extra healthy for security total, and moreover reach that the batteries will most likely be extra ambiance friendly, whereas moreover heading off any “arbitrary point hundreds” of stress or stress on the battery cell itself.

It moreover permits us to use to trail the cells nearer to the heart of the automobile, because we don’t have […] kind of all the supports and stuff,” he said. “So, the volumetric efficiency of the structural pack is significant better than a non-structural pack. And we in actuality bring cells nearer to the heart.”

This reduces the ability of facet impacts from collisions in actuality reaching the cells, which reach they must tranquil be much less inclined to sustaining the extra or much less wound that can lead to battery-associated fires. This can also moreover “give a have interaction to the polar moment of inertia,” Musk said, which in total interprets to better total maneuvering of the automobile and using and going through no doubt feel.

In the raze, there are 370 fewer aspects within the structural battery place versus the present Tesla battery cell place, which tremendously reduces price moreover doable failure aspects. That’s going to add as a lot as heaps of manufacturing financial savings, per Musk, and must tranquil stack with the diverse battery enhancements he unveiled.

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