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Chinese EV maker BYD says new fast-charging system could be as quick as filling up a tank
(www.theguardian.com)
this post was submitted on 18 Mar 2025
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Maybe with a supercapacitor in the station and a chrging cable with the diameter of a fuel hose.
I always imagined that portable future wizard (??nuclear??) power would be as simple as unscrewing a 5 gallon cannister from the back of a vehicle and exchanging it at the power/charging station for money. Like the small 20 lb LPG cooking gas tanks. I still think that electric cars are a phase of tech that cannot be sustainable in terms of money and environmental cost and waste for too long and that it is just transitional in our quest. Hydrogen power was always supposed to be the future in my mind.
Well, you'd need to standardise battery formats and legally mandate that they have to be easily switchable. I imagine that would get pushback from the car lobby - they do so love to make proprietary branded parts if you let them. If they can't force you to only use original parts for repairs because some part is generic by law, they'll lose out on precious markups.
That said, the car lobby can go take a hike for all I care.
The other issue is that it would have to be easily reachable, even if your trunk is loaded up. The underside is difficult to get at with any kind of setup you'd let amateurs touch. Maybe something on the side could work like you've already got for gas, depending on the weight of the battery. I'm sure it's a solvable problem, if there is some will to see it done.
I'm all for the idea, mind you. This isn't me arguing against it, but rather trying to consider what's stopping us (and the answer is probably "rich people that don't like sharing" as usual).