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Samsung’s 20-year-life EV battery runs 600 miles on 9-minute charge
(interestingengineering.com)
this post was submitted on 02 Aug 2024
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We have an EV that charges on 110v current. It’s not fast, but plugged in the previous evening it will be ready to go by morning. Not a huge draw on the grid off household current. Obviously, just like you point out, more EV will increase demand…but charging off 110v overnight isn’t going to be as demanding as a “gas station” for EV that all want fast charge for people that maybe don’t have charging access otherwise.
I imagine there would have to be some sort of organized system to pick charging time slots via the local electricity provider in order to keep the grid stable. EV owners could certainly get an electrical timer or via the EV manufacturer app to set a charging time.
Yeah if you've got home charging it's not a real issue. We use 240v here in Aus so you can pull quite a bit out of domestic outlets before having to get serious and generally overnight charging to top up the day's commute would be fine.
So it wouldn't be a fast charger on every street, and you could always enforce limits by time of use pricing to put a dampener on peak loads.
I just wonder if utility planners might get caught with their pants down on this one. Like, could you say 5 years ago chargers might run to 800kW?
I’d say grid planners everywhere are under serious strain. The demands for air conditioning in public and private spaces are getting higher, the number of household electronics is climbing along with data centers constantly consuming ever more amounts of electricity…now we add EV charging to the mix.
Yeah, I’d say they haven’t been able to keep up.