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Saturday, October 24, 2020

GM Can Manage an EV's Batteries Wirelessly and Remotely

Seems quite a considerable improvement of automotive battery use and management for electric vehicles.

Exclusive: GM Can Manage an EV's Batteries Wirelessly—and Remotely

The new system eliminates the rat's nest of wiring and collects information that can be used to design better batteries.   By Lawrence Ulrich

When the battery dies in your smartphone, what do you do? You complain bitterly about its too-short lifespan, even as you shell out big bucks for a new device. 

Electric vehicles can’t work that way: Cars need batteries that last as long as the vehicles do. One way of getting to that goal is by keeping close tabs on every battery in every EV, both to extend a battery’s life and to learn how to design longer-lived successors.

IEEE Spectrum got an exclusive look at General Motors’ wireless battery management system. It’s a first in any EV anywhere (not even Tesla has one). The wireless technology, created with Analog Devices, Inc., will be standard on a full range of GM EVs, with the company aiming for at least 1 million global sales by mid-decade. 

Those vehicles will be powered by GM’s proprietary Ultium batteries, produced at a new US $2.3 billion plant in Ohio, in partnership with South Korea’s LG Chem.    ... " 

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