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How BYD got EV chargers to work almost as fast as gas pumps

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Re: How BYD got EV chargers to work almost as fast as gas pumps

#191

Post by wolrah »

tw04 wrote: post #181
JonChesterfield wrote: post #145

If you can get a megawatt into the car batteries without setting them on fire, that's game over for petrol cars. And for the other electric vehicles that haven't worked it out yet. Only reason I'm on petrol is unwillingness to wait an hour to recharge the car. The rest of the infra is fine if that can be done. Array of batteries and/or capacitors at the supply point and draw continuously from the grid. Most entertain…

It definitely does not take an hour if you have an 800v car and an 800v EA station. Can’t speak highly enough about lucid, but their current offerings are definitely not for the budget conscious, but that should change soon.

I have as far as I'm aware the cheapest 800v car on sale in the US (Hyundai Ioniq 5) and in the right weather conditions a 20-80% charge is legitimately 10 minutes.

The weather conditions do unfortunately matter. Travelling during the post-Christmas blizzard last year was very much less than ideal. The battery heaters in my car could not keep up with how bitterly cold and windy it was and I had multiple 30-45 minute charging sessions because it wasn't ever warm enough to accept more than ~120kW.

I'm looking forward to traveling with it in the warm season and seeing how things compare.

Re: How BYD got EV chargers to work almost as fast as gas pumps

#192

Post by gravypod »

stavros wrote: post #127
RevEng wrote: post #96

I wonder if Gil Tal has ever used an EV as their daily vehicle. I have had two EVs in the last three years - a Kona and an IONIQ 5. I have greatly enjoyed them both. But one thing was a downside that I just had to accept: poor charging. Granted, I live in the Canadian Prairies full of small towns a fair distance apart. And it's not exactly progressive - I'm actually being taxed for owning an EV. The charging infrastr…

> Sure, it doesn't have to be 5 minutes - even 10-15 would be enough - but current chargers don't get anywhere close to that My car has a 83 kWh battery and charges at 150 kW, which, for 20% to 80% (what you want to generally do on a trip) means 20 minutes. 20 minutes of charge gets me 300 km, and I generally definitely want to stop for 20 minutes every 300 km or so. I don't see how that's not "anywhere close" to 15.

I don't think RevEng was saying it is impossible to do technically. I believe they were saying the charging infrastructure near their home makes it impossible to do practically as the chargers are often limited to 50-100kW. Aging Wheels did a video about this: https://www.youtube.com/watch?v=ouPiwt5hxXQ

Re: How BYD got EV chargers to work almost as fast as gas pumps

#193

Post by thelastgallon »

wesleyd wrote: post #185

Gas pumps in the US are artificially capped at 10 gallons per minute, and a gallon of gasoline is about 33kWh, so petrol cars in the US “charge” at 330kWh/min ~= 20MW. But most cars only turn about a third of that into motion, so let’s say 7MW equivalent? While BYD’s 1.5MW is amazing, it seems a stretch to call it “almost as fast as gas pumps.” Diesel pumps for trucks typically pump much faster too. And diesel is nea…

> The energy density of oil is amazing

Have you heard about nuclear? Over 3 million times more energy dense than coal or gasoline.

Re: How BYD got EV chargers to work almost as fast as gas pumps

#194

Post by robertjpayne »

wesleyd wrote: post #185

Gas pumps in the US are artificially capped at 10 gallons per minute, and a gallon of gasoline is about 33kWh, so petrol cars in the US “charge” at 330kWh/min ~= 20MW. But most cars only turn about a third of that into motion, so let’s say 7MW equivalent? While BYD’s 1.5MW is amazing, it seems a stretch to call it “almost as fast as gas pumps.” Diesel pumps for trucks typically pump much faster too. And diesel is nea…

Fair but any EV owner knows after a bathroom break, quick stretch and maybe a bite to eat every 1-2hr while charging and you never even notice the stopping to charge time.

Re: How BYD got EV chargers to work almost as fast as gas pumps

#195

Post by winrid »

GenerWork wrote: post #109
jmyeet wrote: post #87

Earlier quoted context omitted.

Xi is a fascinating figure. I had real concerns when he pushed through repealing term limits. I thought this could be another Putin but that hasn't been the case. First, he's had a real anti-corruption push that seems to be meaningful and seems to apply to senior government officials and the wealthy (eg Jack Ma). Second, real estate speculation was rampant in China for years but Xi quietly popped the bubble more than…

>First, he's had a real anti-corruption push that seems to be meaningful and seems to apply to senior government officials and the wealthy (eg Jack Ma). Anti-corruption pushes in the government are 100% purges, just under a different name. As for Jack Ma, wasn't he targeted because he said something that the censors really didn't like all while pushing some finance app? My memory is hazy as to why it happened, but it…

Yeah he was encouraging young people to go into debt and then was publicly critical of the pushback against him, two big no nos

Re: How BYD got EV chargers to work almost as fast as gas pumps

#197

Post by conductr »

thephyber wrote: post #134
conductr wrote: post #118

Earlier quoted context omitted.

GP is talking about the current market and product class, not the drive train/mechanisms. There was ~a century where EVs were effectively nonexistent

If the GP was aware of the history of electric cars, they would have known how to word their comment to be factually accurate.

> "electric car industry. They invented it"

"Industry" is a keyword that your pedantry is overlooking. Unless you can edify us as to where there was an EV industry prior to Tesla? The existence or history of the tech is irrelevant in that comment.

Re: How BYD got EV chargers to work almost as fast as gas pumps

#198

Post by 8ytecoder »

wolrah wrote: post #191
tw04 wrote: post #181

Earlier quoted context omitted.

It definitely does not take an hour if you have an 800v car and an 800v EA station. Can’t speak highly enough about lucid, but their current offerings are definitely not for the budget conscious, but that should change soon.

I have as far as I'm aware the cheapest 800v car on sale in the US (Hyundai Ioniq 5) and in the right weather conditions a 20-80% charge is legitimately 10 minutes. The weather conditions do unfortunately matter. Travelling during the post-Christmas blizzard last year was very much less than ideal. The battery heaters in my car could not keep up with how bitterly cold and windy it was and I had multiple 30-45 minute…

Same with the EV6. Charged at a Rivian station from 20-80% in 15 minutes.

Re: How BYD got EV chargers to work almost as fast as gas pumps

#200

Post by QuiEgo »

robertjpayne wrote: post #194
wesleyd wrote: post #185

Gas pumps in the US are artificially capped at 10 gallons per minute, and a gallon of gasoline is about 33kWh, so petrol cars in the US “charge” at 330kWh/min ~= 20MW. But most cars only turn about a third of that into motion, so let’s say 7MW equivalent? While BYD’s 1.5MW is amazing, it seems a stretch to call it “almost as fast as gas pumps.” Diesel pumps for trucks typically pump much faster too. And diesel is nea…

Fair but any EV owner knows after a bathroom break, quick stretch and maybe a bite to eat every 1-2hr while charging and you never even notice the stopping to charge time.

As an EV owner, I'm not sure I agree with this. I'd make less stops if not for the car's need. That said, it's a compromise I'm willing to accept since 99% of the time I'm not road tripping but commuting, and the EV is oh so nice for the commute.
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