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No More EV Battery Replacements? VW's Solid State Cell Holds Up for 300K Miles


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 5 months ago '04        #1
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187Proof  topics gone triple plat - Number 1 spot x37
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No More EV Battery Replacements? VW's Solid State Cell Holds Up for 300K Miles
 

 
EV batteries tend to lose range capacity over their lifetime, but Volkswagen-backed startup PowerCo says it tested one from California-based QuantumScape that 'practically does not age.'

Solid-state batteries promise to significantly speed up EV charging and extend their range by hundreds of miles. Among the companies racing to bring them to market is Volkswagen, which says it found a solid-state formula with better longevity than traditional lithium-ion batteries.

Volkswagen did not create the new battery; it was developed by QuantumScape, a California-based battery technology company. QuantumScape provided a prototype to Volkswagen Group-owned PowerCo, which then tested its performance over several months.

The results far exceeded expectations. PowerCo says the cell retained 95% of its range capacity after 1,000 charging cycles, or the equivalent of roughly 300,000 miles. The current industry standard for EVs targets 20% capacity loss over 700 charging cycles, which means an EV that starts out with a 250-mile range could end its life with a 200-mile range. But with the QuantumScape solid-state battery, it would theoretically only go down to approximately 240 miles of range after much more driving.

"These are very encouraging results that impressively underpin the potential of the solid-state cell," says PowerCo CEO Frank Blome. "The final result of this development could be a battery cell that enables long ranges, can be charged super-quickly, and practically does not age."

EV battery replacements can cost tens of thousands of dollars, although most come with 8- to 10-year battery warranties, and new research shows most EV drivers never replace their batteries. Still, range loss is a known issue and certainly not ideal.

QuantumScape's cell has a proprietary, 24-layer interior structure. The company was founded in 2010, but started to get serious attention in 2020 when it developed a ceramic material to go inside the battery, Electrek reports. It then tested single layer cells with the material, before moving up to 10-layer, 16-layer, and now the ultra-energy-dense 24-layer, which could be the winning formula.

"We are not aware of any other automotive-format lithium metal battery that has shown such high discharge energy retention over a comparable cycle count under similar conditions," says Jagdeep Singh, Founder and CEO of QuantumScape.



 https://www.pcmag.com/new .. ds-up-for-300k
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23 comments

 5 months ago '23        #2
D3STR0 
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Still never going electric
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 5 months ago '05        #3
pnoi89  topics gone triple plat - Number 1 spot x14
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No matter what, still good practice and habit to keep the battery charged to no more than 80% if you plan to keep the vehicle long term.
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 5 months ago '05        #4
pnoi89  topics gone triple plat - Number 1 spot x14
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 D3STR0 said 🔗
Still never going electric
Why?
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 5 months ago '19        #5
tonysancho  topics gone triple plat - Number 1 spot x1
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I was wondering why QS stock price was shooting up.

A quick note on the Quantumscape and VW battery test...

While the test was extremely successful, the Quantumscape CEO said it will "be a long time" before the company works through the remainder of issues it needs to before rate production can begin (read that as years). Post-test the stock is still expected to retrace 37% and one of its directors recently sold a significant share.

Was the test outcome great? Yes

Does this mean Quantumscape's liquid lithium fast charging is right around the corner? No


Last edited by tonysancho; 01-07-2024 at 03:37 AM..
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 5 months ago '12        #6
JeromeIsPimp 
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 pnoi89 said 🔗
Why?
Why go electric
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 5 months ago '04        #7
profit 
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 D3STR0 said 🔗
Still never going electric
Got news for you, you are unless you die within the next 35-40 years. Current fossil fuel supply is depleting and will run out, hence why there is a gov push to move to electric. So keep thinking your a trailblazer and being defiant when itís mandated to go ev.

 5 months ago '13        #8
2000mfplusplus 
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VW did not make the battery made sure to put that in
VW lied before they lying again
Trying to get they lick back

↪🔗

 5 months ago '23        #9
blkmanisgod  topics gone triple plat - Number 1 spot x4
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 pnoi89 said 🔗
No matter what, still good practice and habit to keep the battery charged to no more than 80% if you plan to keep the vehicle long term.
This is what they say about cellphone batteries.. good post!
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 5 months ago '05        #10
pnoi89  topics gone triple plat - Number 1 spot x14
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 JeromeIsPimp said 🔗
Why go electric
Financially made sense for me when I finally needed to get a new carÖ

Bought a fully loaded Chevy Bolt EUV.

Out the door, it was around $36k, including Charger and installation of a level 2 charger.

After $12,500 in tax credits, price is more like $23.5k. With the credit, itís a steal. Without it? Yeah, Iíd have to think about making the switch a bit more.

Charging it at home, my electric rate is $0.11 per kWh. So charging it full (~230mi total per charge) only costs $7. That beats gas even with the more efficient MPG. Only thing that comes close is a hybrid.
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 5 months ago '05        #11
Daddy Black 
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 D3STR0 said 🔗
Still never going electric
In time you won't have a choice. I too don't like electric but it's inevitable.
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 5 months ago '23        #12
D3STR0 
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 pnoi89 said 🔗
Why?
Iím an old head I like the potential of an internal combustion engine. The sound vibration shifts that stuff.
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 5 months ago '23        #13
D3STR0 
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 Daddy Black said 🔗
In time you won't have a choice. I too don't like electric but it's inevitable.
By the time itís all electric Iíll be dead
emoji
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 5 months ago '17        #14
Dante Haversham  topics gone triple plat - Number 1 spot x20
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I don't like electric because all it takes is a well placed EMP or a government declared national emergency and next thing you know you can't charge that sh1t.
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 5 months ago '06        #15
damn_ryght 
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Same idiots who swear to never go electric are like the folks 100 years ago who choose a faster horse over a combustion engine vehicle
emoji


I like gas engine cars too but even I know electric is the future.
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 5 months ago '20        #16
Blafy  topics gone triple plat - Number 1 spot x18
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 5 months ago '20        #17
fremontitic 
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This is half the battle -
When they can recharge in the time it takes to fill up your car
And Charging stations are as prevalant as gas stations
probably then it will be time to switch over
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 5 months ago '05        #18
pnoi89  topics gone triple plat - Number 1 spot x14
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 fremontitic said 🔗
This is half the battle -
When they can recharge in the time it takes to fill up your car
And Charging stations are as prevalant as gas stations
probably then it will be time to switch over
Eh. The attraction is to just charge at home at your residential rates, and NOT premium electricity at charging stations which is nearly as expensive as paying for gas.

 5 months ago '20        #19
fremontitic 
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 pnoi89 said 🔗
Eh. The attraction is to just charge at home at your residential rates, and NOT premium electricity at charging stations which is nearly as expensive as paying for gas.
correct
But the people travelling outside their area they gonna need a charging station
Unless they make these things with 3000 mile per charge batteries
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 5 months ago '05        #20
pnoi89  topics gone triple plat - Number 1 spot x14
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 fremontitic said 🔗
correct
But the people travelling outside their area they gonna need a charging station
Unless they make these things with 3000 mile per charge batteries
Of course. That and I understand most people don’t have the luxury of easily accessing a 240v outlet whether they’re in a rental and just can’t have a good spot to install one closer to their vehicle.

Otherwise, the large majority of daily commuters can make it through a couple days to a week on a single charge, and those long distance travels are infrequent for the majority.

 5 months ago '07        #21
stogz  topics gone triple plat - Number 1 spot x2
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 profit said 🔗
Got news for you, you are unless you die within the next 35-40 years. Current fossil fuel supply is depleting and will run out, hence why there is a gov push to move to electric. So keep thinking your a trailblazer and being defiant when itís mandated to go ev.

I mean, it won't run out. By the time people start to even hear rumors of panic about oil depleting, the price would shoot up until it's not even worth it to produce it on a large scale. However, all the rich people will still have access because they'll be able to afford it. Also, opening up production in some regions of the earth, would spell quick and certain doom for the environment. Right now we are at a slower paced, certain doom that may be, but probably not reversible.

 5 months ago '11        #22
Tony Franks  topics gone triple plat - Number 1 spot x2
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 pnoi89 said 🔗
No matter what, still good practice and habit to keep the battery charged to no more than 80% if you plan to keep the vehicle long term.
why do you say this?

 5 months ago '05        #23
pnoi89  topics gone triple plat - Number 1 spot x14
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 Tony Franks said 🔗
why do you say this?
For lithium-ion batteries, itís a fact that degradation of the battery happens faster charging from 80% to 100%. For that reason, constantly charging your battery from 80-100% will use up the rate battery cycles a lot faster than sticking to under 80% charging.

Thatís basically what our smartphones try to do when you activate ďoptimized battery charging.Ē
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 5 months ago '11        #24
Tony Franks  topics gone triple plat - Number 1 spot x2
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 pnoi89 said 🔗
For lithium-ion batteries, itís a fact that degradation of the battery happens faster charging from 80% to 100%. For that reason, constantly charging your battery from 80-100% will use up the rate battery cycles a lot faster than sticking to under 80% charging.

Thatís basically what our smartphones try to do when you activate ďoptimized battery charging.Ē
damn. I never heard that b4. Thx

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