Rivian is different than any other electric-vehicle startup—primarily because of the way in which it aims to position its R1T pickup and R1S SUV to be lifestyle device, enabling adventure activities and weekend getaways.
In addition to normal day-to-day commuting conditions, weekends might involve hauling a lot of gear, towing boats or jet-skis, or even navigating rocky or muddy off-road trails.
or EV batteries, it’s an extreme test considering the range of temperatures, load levels, and potential shock and vibration they’re subjected to. And that’s before considering the rigors of more frequent fast-charging during those road trips and getaways—partly via a supplemental network of adventure-location fast-chargers to be built by the company.
It adds up to a mind-boggling range of use cases. And in order to adapt to very different patterns for driving and charging, Rivian is using a battery management system that can “learn” and enhance the life of the pack via real-time adjustments to a lot of control patterns.
And for better thermal control, it’s packaging its cylindrical cells with a space-saving approach that hasn’t been used before—in two layers, with a cooling plate in the middle.
Rivian claims that it all comes through a very close understanding of the cell, which if it does things right, will never actually be pushed to extremes.
SOURCE: GREEN CAR REPORTS