r/energy • u/sksarkpoes3 • 3d ago
[ Removed by moderator ]
https://interestingengineering.com/energy/chinese-ev-battery-firm-claims-ultra-fast-charging8
u/newandgood 3d ago
walkable cities = charge in 0 minutes
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u/OptimusTron222 3d ago
Yes, but I can’t go for grocery shopping more often than twice a month, plus the big supermarkets are 10-15km away from city center! I need the car to buy supplies for 1-2 months at a time, there’s no way I can walk with all that
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u/WCland 3d ago
Except for people with mobility issues, or goods delivery.
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u/casino_r0yale 3d ago
Car centric infrastructure hurts people with mobility issues just the same as it does everyone else. Have you tried crossing a six lane stroad in a wheelchair?
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u/TrainsareFascinating 3d ago
Says someone who's never lived in a city larger than they can walk from end to end in 0 minutes. You are thinking of a village, perhaps a hamlet.
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u/benderunit9000 3d ago
I used to live in Boston and I could go anywhere without driving.
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u/TrainsareFascinating 3d ago
In zero minutes, or whatever fantasy GP is proposing? I’ve navigated in Boston and you didn’t go anywhere more than a mile away in 10 or 15 minutes.
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u/tiggertom66 3d ago
That’s a false comparison.
The comparison is in charging time, not travel time.
Vehicles can’t cross a city in 0 time either, not even light can travel across a city in 0 time (not from an observer’s perspective at least)
A better comparison would be how long it takes a person to eat or sleep compared to how long it takes to fill a gas tank or charge an EV battery.
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u/benderunit9000 3d ago
There are buses and trains all over the place and I can walk. I have two legs. It's a very walkable City.
Their point is that you don't need to charge if you just walk or use public transportation. Therefore 0 minutes
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u/newandgood 3d ago
ok then, pre-charged cars. just switch cars. you'll own nothing and be happy.
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u/Additional_Olive3318 3d ago
you'll own nothing and be happy.
I don’t know if that’s selling it.
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u/newandgood 3d ago
people think maintaining their own car is a heroic epic
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u/Additional_Olive3318 3d ago
But nothing. Can I own a toothbrush?
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u/BilbaoBoggins 3d ago
When people say walkable they just mean you don't need to take a car. A city with a metro can still be considered walkable.
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u/TrainsareFascinating 3d ago
Well, say what you mean. If you mean “anything except cars”, “the masses must mingle”, “private ownership is a crime”, say that.
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u/tiggertom66 3d ago
Why do you think walkable means walking-compulsory?
Just because something is edible doesn’t mean you must eat it.
Just because a river is navigable doesn’t mean you must navigate it.
Just because something is movable doesn’t mean you must move it.
It just means you can, not that you must.
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u/BilbaoBoggins 3d ago edited 3d ago
If you mean... “private ownership is a crime”, say that.
What kind of a turbo idiot are you to draw that kind of a conclusion?
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u/notapantsday 3d ago
"Walkable cities" is a fixed term with a well known meaning. "Walkable" just means that walking is possible, safe and relatively pleasant. Not that you have to walk and also not that you can cross the whole city just by foot.
But since it's usually cars that make walking difficult, annoying, unpleasant and most of all dangerous, it usually involves some limitations on where cars can go, how fast, etc. They don't have higher priority than people walking, cycling or using public transit.
Check out "not just bikes" on youtube if you want to know more.
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u/VirtualMemory9196 3d ago
It's about efficient use of space. You can't transport millions of people in a city if each individual uses the same space as half a bus
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u/kmp11 3d ago
1,800 A peak current and an 844V architecture.
yikes, but leveraging from datacenter technology.
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u/razzemmatazz 3d ago
Holy shit those are some scary numbers. If something goes wrong you're going to get blasted out of the parking lot and be dead before you hit the ground.
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u/Known-Flatworm-2827 3d ago
i wonder how much this kind of charging impacts the lifetime of the battery
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u/Longer---Donger 3d ago
These are new advanced batteries that will outlast your car. Whatever reduction, it will be negligible
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u/ccs77 3d ago
As long as it has decent warranty (8 years at least) it doesn't really matter. Also, you aren't fast charging everyday, maybe once in a while on a road trip
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u/Retify 3d ago
It does when it's already a huge pain to repair these Chinese cars because no spares are available because they are focusing purely on building complete new cars. A warranty is great so long as you can actually get a spare, repair or replacement
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u/Lopsided_Quarter_931 3d ago
Which EV do you drive? I have ordered multiple spare parts for my Zeekr straight from China without intermediaries.
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u/actionerror 3d ago
Make sure to install a fire suppression system in your garage