Posted on 04/29/2024 1:02:16 PM PDT by Red Badger
On the road to delivering 100 miles of EV range in five minutes by the end of 2024, tech firm StoreDot has installed its extreme fast charging cells in a Polestar 5 prototype, and zapped the 77-kWh pack to 80% capacity in 10 minutes.
For many car drivers, the journey from home to work or the mall or school is a fairly short one, well within the per-charge battery range of modern electric family cars anyway. But those needing to make longer daily trips are going to be plugged in more often.
DC fast-charging is already available for quick top-ups, but you could still need to find something to do while you wait a while. What if such pit stops could take around the same time as filling up a gas guzzler? That's precisely what StoreDot is aiming for with its extreme fast charging (XFC) high energy silicon-dominant battery cells – with 100 miles (160 km) of battery range in exchange for three minutes plugged in as the target for 2028.
Last year, performance EV brand Polestar revealed its intention to "revolutionize the ownership experience for EV owners with the ability to recharge in minutes" by collaborating with StoreDot to install a full-scale XFC battery module in a Polestar 5 prototype. And that's precisely what's happened.
Jumping out of the lab, the 77-kWh battery pack is reported to have consistently pulled a whopping 310 kW from a DC charger, and peaked at 370 kilowatts. The battery pack was juiced from 10% to 80% in 10 minutes, and was monitored throughout the tests, but didn't rise above the "target operating temperature set by engineers of both teams."
(Excerpt) Read more at newatlas.com ...
Filling up a touring sedan with 20 gallons 87 octane takes less time than 10 minutes— and gives a full tank range in the most efficient models with cruise control of 500 miles. Game over. EV is no way to to— and, the batteries degrade on storage, and they will still catch fire. No comparison.
I’m retired and don’t go to work everyday. In fact, most of the time I don’t drive at all. I think an electric car, along with some solar panels and storage batteries, would be ideal for me.
I also live in Alabama, right between Montgomery and Auburn, and get plenty of sun most days. I might drive to Walmart or Piggly Wiggly every few days, occasionally, less than once a month, 30 miles to the big city.
I also have my dependable F-150 for farm and town completely paid off.
What do you think?
And sometimes the sun don’t shine...... even in the day time
But would the extra costs of owning an EV be made up with gas savings? No. So don't get an EV unless you just want the novelty of it, or the zippy acceleration, or the convenience of charging at home vs having to stop at the gas station even for local driving.
Here are some of the costs that come with having an EV:
Monthly costs:
1. Car insurance is higher because the car value is higher. (In my case it's $70/month higher than the coverage on our ICE car it replaced because I want from liability-only coverage of the old gas car to full coverage of the new EV).
Annual costs:
2. Alabama has a $200 EV fee on the car tag renewal to offset EV owners not having to pay the gas tax. IMHO it's reasonable, us EV owners should pay our share of the road upkeep. But count that as one extra cost that EV's have that gas cars don't have.
3. The rest of the car tag tax is higher because it's ad valorem. In other words, if the EV is worth more it's taxed more.
10-year maintenance cost:
4. Replacing the battery will cost at least $10K in today's dollars (more if it's an expensive EV like Tesla).
Up-front costs:
5. EV's cost more. Or at least they did when I bought mine 2 years ago. Maybe now a new EV costs less than a comparable new gas car.
6. Setting up the home charging costs. In my case about $2K (not counting extra I paid to have the electrician to add outlets to my garage while he was there, and run two charging circuits so that one could be powered by only free solar).
The gas savings is real. I get about 3.8 miles per kWh added to the power bill (pretending I don't have solar providing 80% of my power) for local driving. (My car gets more miles per kWh than that, but after accounting for about 10% loss when converting AC power to DC while charging, call it 3.8 miles/kWh.) Alabama Power charges us about 15¢ to 16¢ per kWh (after adding in their fuel surcharge per kWh and the 4% state tax, but subtracting the fixed monthly fees and state tax totaling $15.60 per month regardless of how many kWh we pull from the grid that month). So think about how many miles you drive per month, divide that by 3.8 to get the # of kWh charging would add to your monthly power bill, then multiply that by 16¢ and that's how much it'll probably add to your power bill at today's rates. That's probably less than the gas you spend, plus the oil change (in my case I replaced my oil every 5K miles). Thus, the gas savings is real.
But probably not as much as the extra costs I listed above for owning an EV.
Regular then house wire is rated for 600 volts, so 800 is no big deal. 375A means large gauge wire, like 2/0 welding cable.
And their testing revealed what about the effects of fast charging on battery life?
The whole point of forcing EVs down peoples’ throats is to make personal transportation unaffordable for the common man.
Handling such large current flows is dangerous. Branched medium weight hydrocarbons are still the way to go, both for convenience and safety.
Awesome and valuable advice, thank you!
You could run a couple electric chairs with that.
Power (in watts, typically) equals current (I) times voltage (V).
15k miles a yr driving? Not for me. I put on 1k miles on my old gas powered chevy just last week.
great breakdown of ev costs but, you missed a. ug expense. tires. I get 40-50k out of a set of tires for my ice vehicle. at $900 for a new set of tires that adds. another 2.5 cents per mile. Ev’s run what? 10-15k between sets of tires? you need to add another 10 cents per mile to your ev costs.
My EV weighs 10% more than the ICE car it replaced, and 5% less than our ICE pickup. Thus I assumed a 10% increase in tire wear. I also assumed that would be offset by savings on brake pad wear (since most braking in the EV is done by regen braking). 22 months and 46K miles later these assumptions seem to be correct. I had to replace my original set of tires at 27K miles. But the replacements seem to be lasting a lot longer (perhaps the factory tires were crap).
None of which changes the fact that our electrical infrastructure is too marginal to support a significant portion of our populace switching from dinosaur-powered automobiles to battery-only EVs.
Pretty much everything in the sourcing, processing and delivery of fossil fuels to the retail distribution points is powered by still more fossil fuels and puts ZERO additional load on the electric power grid. Everything to do with operation of BOEVs puts still more load on the grid, which is finite in capacity and in some regions already overtaxed.
I can fill my RAM 1500 in five minutes and drive 500 miles. My cost per mile when considering cost of vehicle and maintenance etc. is less than an electric car. When an electrical truck can do this at the same cost to me without a government subsidy I will buy one. I am familiar with chemistry, energy fuel density, cost analysis, and how much those damn batteries weigh.
When Air Force One takes off from Washinton DC and flies non stop to Tokyo at full gross weight with only battery power I will buy an electric vehicle. It will not happen.
The laws of thermodynamics aren’t just good ideas, they are laws.
Firstly, where is all of that power going to come from?
Secondly, SO FAR, batteries and capacitors with a very high charge rate also have a very high self discharge rate. Wonder how this one specs out.
I just went on a trip last month to visit a friend, and put 5000 miles on my car in two weeks!
I don’t mind driving when I don’t have to go to work...:)
Imagine the power surge on the grid from a bunch of those charging at the same time. Watch the lights go out in the city. It is foolishness.
Disclaimer: Opinions posted on Free Republic are those of the individual posters and do not necessarily represent the opinion of Free Republic or its management. All materials posted herein are protected by copyright law and the exemption for fair use of copyrighted works.