Re:Toyota CEO talks about why he isn’t all-in on EVs
by judge2020 on Sunday October 02, 2022 @08:51PM
(#33062101)
> It is not modular despite being composed of several individual cells, and often you are not allowed to work on it yourself.
At least with current tech, battery chemistry makes such replacement extremely tricky without a full replacement. You can technically swap individual packs in a Model S/X battery[0], but it'll inevitably die[1][2] because of how voltage balancing works.
Packs each with their own BMS would be interesting but I'm sure the automakers have already considered the tradeoffs for a lot of ideas like this.
At least with current tech, battery chemistry makes such replacement extremely tricky without a full replacement. You can technically swap individual packs in a Model S/X battery[0], but it'll inevitably die[1][2] because of how voltage balancing works.
Packs each with their own BMS would be interesting but I'm sure the automakers have already considered the tradeoffs for a lot of ideas like this.
0: https://electrek.co/2021/09/13/tesla-battery-pack-replacemen...
1: https://twitter.com/wk057/status/1437607772959428608?s=20&t=...
2: https://twitter.com/wk057/status/1480403593794621442