Super / Ultra Capacitors | The Future of EV Car Batteries?
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- čas přidán 4. 07. 2024
- Batteries were invented in 1800. Have we moved forward much since then? Lets look at how we could improve the performance of our electric vehicles using existing tech and tech which is close to a breakthrough!
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I don't mind having a range of 50 miles if I can recharge in seconds.
My daily commute is 15 miles.
Tesla car battery packs are lasting longer than originally thought possible due to improved chemistry, charging 20-80%, and the use of thermal management. We could be talking 20 years before degradation drops to 75% lasting longer than the rest of the vehicle. Even then the batteries can be re-purposed for use in powerwalls and industrial battery packs
The way super capacitors can work would be that the vehicle main battery would slowly charge the ultra capacitors. The fast acceleration and regen breaking would be straight from the capacitors, hence the main battery could be saved from the power shocks that would reduce its service life. Normal charging would probably bypass the capacitors. I assume the capacitors would be kept only partially charged such that there would always be spare capacity available for absorbing the power from regen breaking. I assume regen braking might actually work better utilising these capacitors as there would be virtually no current restriction.
Good comment what you said is the best use of Ultra capacitors
I enjoy your posts very much. Thanks for doing them.
Sir, thanks for liking my comment, wish you all the best.
I really enjoy the style of these new videos. More informative and educational and you do pitch it at a good level. Like your new introduction as well. Subscribing :-)
Richard Harkness awsome news! Thank you 😁👍
You just predicted the Tesla move acquiring Maxwell. Thanks.
So batteries date from 1800 and are therefore old fashioned? Well the oldest electrical energy storage device is the Leyden jar, which was invented (twice) in 1745. And what is it? A capacitor!
Marc van Leeuwen you are clearly a man with a lot of knowledge around energy storage. Thank you for filling in some of the gaps 👍
What about the Baghdad battery?
Which was predated a few thousand years by the Baghdad or Parthian battery, though it's probably debatable.
We also know about
www.express.co.uk/news/weird/649920/Rare-hieroglyphs-showing-Egyptians-with-electrical-light-bulbs-are-proof-of-time-travel
(IF you believe the Express!?😉)
@@rogerstarkey5390 Ok. So apart from all that. What did the Romans ever do for us 🤣
Your new camera is a very positive change Ryan, thanks for the video, very informative. I would expect there will always be loss when converting regen to super caps to li-on which may preclude it being set up this way but as you say. Smarter minds are working on it 😀
Jay Atkinson indeed they are and thanks for the comments 😁👍
Very good video well put together it deserves more views. It’s a hard job making video’s I did a few of my own. Keep up the good work.👍
Engineers are so great at explaining complex things. I love this kind of stuff.
Learnt a lot from this bro thanks!
This man has really called it. Tesla are buying Maxwell Technology. So now a supercapacitor could be used with a battery to smooth out the strain on the battery.
thanks you engineer for the lecture
Great Video.
Good info. I remember a Renault Dauphine in 1959 was Battery operated. Ever earlier. Seems like we are stuck in a rut. Super capacitors seem interesting. Will keep its charge a long time until Jude’s.
You are absolutely right!! I can't wait for the development of Graphene Batteries!!
Excellent video mate. I am thinking of using super capacitors on my prius.
They have compact ultra capacitors currently available from Estonia company called Skeleton
Bob Jackson I’ll have a look thank you 👍
So did this Chinese car with maxwell super capacitors that was due for a 2019 launch actually launch in the end?
I wonder whether super/ultra capacitors would be suitable for train acceleration? You could have a recharge point at every station which charges the super caps then batteries could take over once the train has reached its max speed.
Biggest problem with supercaps is their operating range - 20% SOC in a supercap is 0.5v, 20% soc in a li-ion is ~2.,65v
They could be used very well as a mass charge/discharge buffer (to protect the battery from those high dis/charge rates) however - as you mentioned
Nice one Ryan.
Glenn Bloke cheers 👍
As Bob Jackson mentioned previously, Skeleton (in Estonia) seem to have an up and running solution, used in a clever way.
(Interview by Robert Llywellyn on fullycharged)
They effectively use the regen braking to charge the capacitor, they then use the capacitor to accelerate the vehicle (as far as possible). This means that the battery is, generally speaking, only used for a small portion of acceleration and for maintaining cruising speeds.
This has great advantages, since one failing of batteries is they don't like stress. High, fast inputs (supercharging, hard regeneration) can, as we know, eventually reduce battery capacity and life. Also, the battery size may be reduced. Since the capacity ratio by volume, according to Skeleton, is about 10:1 this would be a considerable saving in both weight and volume,. Alternatively, this could provide a very useful range extension for existing volume. (Mmmmmm.... Roadster, Semi....?)
They mentioned units "being used in Motorsport". Suddenly it clicked, Formula One! Lemans!(?) Maybe the new formula E cars?
Does anyone know?
Then I watched the rest of your video and found I'd repeated almost exactly what you said! Oops!
Great video again! Just wanted to add that both solid state and graphene batteries are Li-ion ones. It is the electrolyte changed to a solid state substance, or the anode (or cathode) covered with graphene to reduce degrading. As the forming dendrite between the anode/cathode causes over time a short circuit in the cells, and results in what we call degradation.
By limiting the penetration by dendrites with graphene cover or making it practically impossible to penetrate the electrolyte by replacing the original gel version with a solid state one (currently sodium) will increase the lifespan.
Excellent, thank you for the explanation.
Your videos are great!
Keith Watts thanks Keith 👍
I'm not sure what's happened to James. I have tried to contact him but had no reply. I hope he's just taking a break for a while as I really enjoy his vlogs!
I'm going on holiday for two weeks next week. What is the best state of charge to leave my Nissan leaf 30kwh on the driveway for ?
Paul Carnall generally people drop the charge to just Under 80%. I wouldn’t worry too much for 2 weeks 😁👍
EV Opinion cheers for that . Just wasn't sure.
Ultra capacitors are also very durable and safe. They have temperature range of -40C to 85C, as well as much more resilient to shock and vibration than batteries. They can also be charged and discharged 1,000,000 times vs Lithium ion which can be cycled around 1,000 times.
... and when you said graphite I suspect you meant graphene.
The same... Graphene is simply one atomic layer of graphite
We are using "old tech" because that old tech has been continuously improved over every succeeding decade. It is in practice a completely new technology.
shua shua a bit like ‘Triggers Broom.’ Very good point but I guess everything has a shelf life. The trouble is nothing can replace these batteries right now as a viable option.
Power. Energy. A battery stores *energy.*
Thanks for your openion and please aprise from time to time about the tiny super capacitors usage in cars etc. bye bye.
a large capacitors, cans spill pulses of power into smaller ones, or to turn a series of dynamos for output
Ryan, positive ions never cross through the wire or resistance. You have it totally backwards, there are an excess of electrons on the cathode that go through the wire. I know it's confusing, but "negative current (electrons) always flow from where there an excess number to where there no electrons ( the annode).
Fred Zlotnick thank you. In my attempt to simplify things I appear to have oversimplified for some. I hope the general message still came across and if it had ignited some interest then people can watch videos with deeper explanations to get a better understanding. Thank you for your comment and explication 😁👍
Yes, it's confusing. The scientists got it backwards, 200 years ago, thought that positive charges flow from the anode to the cathode, when in fact negative charges ( electrons)flow from cathode to anode this confuses people to this day.
Kilowatt labs sirius battery is a super capacitor battery used in home solar 3kwh and 7kwh on the market now in 48v. Limited to 30min charge time but can be charged in 30 seconds. This could be used in cars as they are scaling up the voltage to variable voltage units.
Well super caps would be great in ev but keep the electric rules in mind if you theoretical can charge an ev in a minute what huge amount of power you need to deliver to the charging cables. I assume that wires thick like arms where needed.
I have said this for the last decade, ever since I saw the Eaton HLA (Hydraulic Launch Assist) which does the same thing, the braking energy stored hydraulically to aid acceleration. Their test vehicle a Ford F150 accelerated as fast as a Ferrari. Not only that they also found that 75% of town travel used the HLA as opposed to the gasoline.
mynewschannel I’ll look that up. Thank you 👍
So using Super Ultra Capacitors is the way to go for replicating Eaton's HLA electrically.
I guess the theory is similar but as I understand it HLA is coupled with a diesel engine to provide assistance accelerating etc with energy harvested for regenerative braking. Obviously I'm not a fan of diesel!!
Yes diesel is a no-no, I was talking about EV's using Super Ultra Capacitors as a launch assist and for far more efficient energy recovery for regenerative braking.
mynewschannel that’s would be a perfect fit. Let’s hope some cleaver bod can figure it out 👍
always made sense to me to spend more money investing in better capacitor technology, they are still the best way to store and use energy
Just a tiny thing ... degredate is not a word, what you mean is degrade...
Malcolm Connah indeed I do and I never knew degradate wasn’t a word. Perhaps I’ve just invented something 😁
Conversate vs converse. Some other people.
I like it. I think I'll start using degredate. I'll have to fiqure out how to congegrate the verb.
@EV Opinion You mean you _inventedate_ something 😁
Nor is battree a word!
Elon musk started Graduate School at Stanford University, California. His study? Super Capacitors for electrification.
He dropped out to startup SpaceX and latter became one of the first investors in Tesla.
Tesla CTO JB Straubel knows these technologies well. Tesla as the LARGEST buyer of batteries for electrics keeps a close eye on all these technologies looking for any cost reductions they can find.
I'll believe Geely when they actually introduce a prototype for proof of concept. Talk is cheap.
Brandon Fouts let’s hope they can and soon 😁👍
Capacitors work by electrostatics and their storage potential is proportional to the surface are of two opposing plates separated by a dielectric insulator who's thickness has an inversely proportional affect of capacity. The thinner the dielectric the more energy you can store, however this also affects the voltage they can operate because the dielectric also need to keep the plates from shorting. The science to improving the capacitance is down to increasing the surface area while not increasing the size of the capacitor. Electrolytic capacitors use a wet dielectric and are found in most modern power supplies which is why they fail after a while because the dielectric dries out and the plates short out and naturally they dry out quicker the hotter they are. Most plates are made from aluminium film or zinc, but moisture penetration oxidizes the electrodes causing degradation of the area. Graphene looks to improve the conductive properties allowing thinner layers to be used while new dielectric materials will be needed to withstand the harsh environmental conditions of a vehicle and provide thinner layers to perform with greater dV than ever before realised.
I think you will find that the ancient Egyptians electro plated metals over 2000 years ago using copper acid batteries.
The idea of super caps being the charging cache, allowing the caps to slowly discharge into the battery is a great idea, it will mean potentially quicker charging than an ICE! :)
True, but only to until the energy content of the super-capacitors is reached. Supposing their energy density remains an order of magnitude lower than batteries, this unfortunately limits the usefulness of this idea enormously. Suppose you have a 60kWh battery and then add half the weight of the battery pack (which is quite a lot) in super-capacitors. With 10 times less energy density, their energy content would be 3kWh. So you could charge up 3kWh almost instantly (supposing the rapid charger can provide the power), but then would have to wait for that energy to be transferred to the battery before you can repeat the operation.
Assuming the batteries can handle 120kW charge rate, the transfer can be done in a minute and a half, so you could repeat the operation every 90 seconds, until having filled up the battery after some 20 iterations. But that would take half an hour, no faster than just filling up the battery directly at 120kW at the charger. And this is logical, since the super-capacitors cannot actually help the batteries charge up faster than can without them; they just can flatten out spikes in the power input or output that batteries could not handle
Take a look at the Riversimple Rasa. It uses an "underpowered" hydrogen fuel cell with ultra capacitors instead of a battery to boost the acceleration. The fast charging ultra capacitors are able to capture 50% of the cars kinetic energy. It's a very interesting concept.
nice, future is going on :)
Cool a Supercapacter Turbo EV :-)
With the ability to charge a supercapacitor very quickly this would be a good time to throw solar onto the roof to charge the supercapacitors which in turn would charge the lithium-ion battery
My only criticism of the video is his insistence that super capacitors can only discharge quickly. This is not true. They can discharge slowly and he even admits this when he says it is possible to run an electric car solely on super capacitors just that it would have a very short range. Unless he is talking about a car meant to be raced on a drag strip, which I am sure he is not, all street legal electric cars have the ability to discharge the electricity from whatever energy source they are using. They when he says it is possible it means that he knows it is possible that super capacitors can discharge slowly as well.
Supercapacitors don't store power, they store energy and not a lot of it. Power cannot be "stored", it is time-related parameter. When a supercapacitor discharges its energy over a very short period of time it produces a lot of power during that discharge. A battery of a similar size can store significantly more energy than a capacitor, but if can't discharge it as quickly due to its internal resistance. So it is less powerful. A. Pedant.
I've thought of this for some time, but I cannot see how super-capacitors can be of much use in an ordinary EV, as long as their energy density is a lot less than batteries (which fact I don't think is going to change any time soon). This fact practically limits the total energy storage of capacitors to only a fraction (less than 5% I think) of the energy the batteries in the EV can hold, and whatever advantage they provide only applies to that fraction. They could allow you to charge a few percent of the battery almost instantly, but is that really of any practical use?
One use I can think of is giving VEs with a relatively small battery the performance of a Tesla model S (for a short time, say to set a 0-100km/h acceleration record), provided the non-battery part of the drive train can handle the power. This might be a cool thing to imagine, though probably would still need some pricey hardware, to start with high power electric motors. Other applications can be imagined tough, and do indeed exist already, outside the "regular EV" segment. An electric bus that can change up its super-capacitors every few minutes at a bus stop does not even need batteries, and can go on all day in spite of a quite limited range. And in navigation weight is less important; there exists here in France a ferry service that does about 15 minutes of electric navigation and then fills up its huge super-capacitor banks in minutes each time it docks.
Marc van Leeuwen good example. There is still a lot of what ifs before they could go mainstream. Here is an interesting website I was sent that may interest you
kilowattlabs.com/index.html
Sir, what will be the future of batteries, solid state or graphene??
javaid shah both
This was difficult to watch due to contradictory use of some of the language.
I'm not real up to date with current battery technology so I'm not sure that the advantages would out weigh the extra cost and complexity you would have to build into the system. I have pondered the idea of using the fast charge characteristics of super capacitors to efficiently make use of breaking energy for some time. It certainly is worth investigating on the face of it.
Since installing a solar panel, deep cycle battery and inverter in my work ute I'm considering experimenting with a super capacitor starting pack to replace my cranking battery. The weight difference would be considerable and the ability for me to be able to charge it from the deep cycle should negate the disadvantages of it's lighter energy density.
To be free of the costly periodic replacement costs of the cranking battery is a big deal too if it can be substituted effectively.
Li-Ion batteries don't degradate, they degrade 😀
Ellis Toms Riversimple cars
So super capacitors for torque, graphene to juice the other batteries and lithium for longevity
The lithium ion do not travel trough the wiring, in a DC system the electrons travel through the wire, wile for a AC system those electrons just vibrate in place
Supercapacitors were called "battacitors" in Phillip Jose Farmer's Riverworld science fiction novels from the 1970s. This was well before they were actually invented and such devices were really "the stuff of science fiction".
Guy answered his own question.
Baghdad battery was invented long before...
RiverSimple makes a car using supercaps and a hydrogen fuel cell. You could replace the fuel cell with a very low power, high energy battery, but then it will also charge very slow. So these will only be city cars.
The other problem with capacitors is the voltage drops very fast as it discharges, unlike a battery which has a much more flat discharge. This is a lot easier to use than a capacitor battery which might go from 800v down to 50v, instead of 400v down to 300v like a chemical battery.
IMO ultra capacitors should power the car and provide Regen in hybrid batteries, and traditional battery chemistries should be the range extender. that would increase power and Regen efficiency, solve most battery cooling and durability issues.
if ultra apacitors density and cost improved you could even have a daily range on capacitors alone with very fast charging and no wear on the battery pack
The energy wasted by flexing tire treads could be partially recovered via embedded piezo transducers coupled with supercapacitors feeding brushless dc motors with coils rotating on the tire acting against permanent magnets located on the outside of a central hub motors powered by battery banks in the car chassis. Think it out one step at a time.
Dave L if I had the money I’d invest!! 👍
long story short, we do NOT have a Super Capacitor yet. They are still working on that.
+Kon Tiki _"we do NOT have a Super Capacitor yet"_
It depends how you define it. I have six 500 Farad capacitors at home each the size of a D cell and they call them supercapacitors. Having dealt with microfarads all my life I think it's a suitable label for 500 Farads.
Kon Tiki
czcams.com/video/KQ2Eo6wl5r0/video.html
just to clarify - they are already using these capacitors for regen braking and instant torque in Tesla but an ultra-capacitor/ super Cap that has both the energy density of regular batteries and power density of Capacitor are yet to be developed. The super caps you are saying are bulky and are no where near the energy densities of regular batteries.
+Kon Tiki Yeah they'll get better and better for sure. The bank of 500 Farad capacitors I have are pretty impressive already. Six in series gives 83 Farads and they can melt remarkably thick copper wire in a short circuit. My 40 amp bench power supply charges them in about 4 seconds.
i hope we will soon see the day when these can be used in Flying and for that we need to have twice the energy density that we have in our current batteries. Do you know by any chance why they have not considered fuel cell with hydrogen for flights?
PS: i know there is a couple of electric airplanes already but their flying time is less than an hour.
Some people saved weight and maintenance by replacing their lead acid battery with a home built pack of super caps. If all it's used for is starting the car, it's more than enough.
what about a resister?
You would have to ask Mr Ohms...lmbo.
My ex-girlfriend had an ultra-capacity for drama, so I sent her off to degre-date the next guy!😉
There's a basic difference between batteries and supercapacitors that needs to be dealt with. Whereas batteries hold their output voltage almost constant until they're almost discharged, capacitor's voltage drops constantly while they're discharging.
So for example a 12.6 volt battery might deliver 12 volts when it's half charged but a capacitor would be at something like 6 volts when it's at half capacity. If you're using it in a system that demands a constant voltage in (most motors do), then you need to put some electronics between the capacitor and the load that boosts the voltage up to keep it constant until the capacitor is discharged.
This isn't too difficult but it has to be done.
Warren NZ yes of course , capacitors while improving are most useful as a battery compliment. Good for absorbing strong regen current.as well as short burst of excelleration.
The hope is to have enough capacity to absorb a whole mountain grade hill. Or excellerate from zero to 65mph before the significant voltage drop!
They use a Buck-Boost converter, which is connected to the ultracapacitor bank at the Boost side, and to the main battery at the Buck side. The control of the system measures the battery voltage, the battery state-of-charge, the car speed, the instantaneous currents in both the terminals (load and ultracapacitor), and the actual voltage of the ultracapacitor.
this SuperCapacitors sounds like a future technology. Then you can charge your battery in a blink of an eye, if you can have that huge power supply. But that's another story ;-)
The development of fast charging batteries is just in the beginning.
Next is, how much will be the difference/loss between charging and power output.
This video might be behind the times. Killowatt labs have an ultra capacitor that they say has the same form factor and capabilities as lithium ion, dissipates at the same rate but charges in seconds.
They are installing demonstration versions as we speak and planning to build am experimental car that runs purely on ultracapacitors.
Fiska say their next car may also be supercacitor powered.
Martin W I have seen what they are doing and it’s really exciting. There are a couple of other companies who are making the same claims. Let’s hope they can progress quickly and make them a viable alternative 👍
EV Opinion
Exciting times ahead
:)
There is a reason they don't put ultracaps along side batteries. You can't just parallel ultracaps with batteries. Do get the energy out of a capacitor the voltage has to go down. A battery hold much more constant voltage. So you get very little advantage of paralleling. You could use an extra power electronic converter to combine the battery and the ultracapacitor but that is expensive and adds extra weight so people don't use it. Ultracaps are used for starting trucks.
You are speaking as a layman.
Here, I had put up some practical numbers about incorporating Supercapacitors along with Li-Ion on Tesla...
www.quora.com/What-is-the-probability-of-a-Tesla-vehicle-ever-incorporating-ultra-capacitor-technology
What i calculated is only for 1 minute of acceleration for Tesla Model S from Supercapacitor, and look at how much weight it increases !!
Presently only limitation for supercapacitor is extremely low Energy density,
For example, Li-Ion Tesla uses is around 250 Wh / Kg,
where as Supercapacitor presently is around 7 Wh / Kg :|
super capacitor tech is older than tion batteries. like lithium ion they have evolved in 50 years. lto batteries and solidstate batteries are improvements. many ev's use super/ultra capacitorn to improve lifespan and charge efficiency.
You put black lettering on the screen. Yellow would work better as most of the black disappeared.
just gotta say, electricity flows from negative to positive.
It seems super capacitors would be useful at charging stations because that's when you need HUGE current to pump "hundreds of kilometers" into a car in a few minutes.
Warren NZ
That won't work UNLESS you reduce the discharge rate. It would overstress the (current) battery.
+Roger Starkey Yes of course we need batteries that can be rapidly charged first but that will happen.
I have a Lithium Polymer battery the size of a banana with G7 chemistry and it can be charged at 60 amps which will take it to 90% charged in under 10 minutes and that battery is about 7 years old. It doesn't even get warm at the 40 amps my bench supply can provide but the "monster speaker cable" I use to connect to the battery gets so hot I can hardly hold it in my hand!
And that's old technology now so it will happen. And when it does we're going to need charging stations that can supply the huge currents and that was my point. Super capacitors can do that.
negative go to the positive, not positive to negative. it's the electrons that try to find the shortest path back to the protons.
That's like saying why are we using forks and knives, it's antiquated technology. Modern day batteries are EXTREMELY cutting-edge technology even though the general concept of storing electrical energy via chemical action was discovered a long time ago. HOW you store said energy is anything but old. What a silly notion. Capacitors are even older and were first designed BEFORE batteries were (circ 1745).
Also, capacitors do "degrade" and fail. Ask anyone that works in HVAC or home audio. The energy density of a capacitor has nothing to do with their discharge rates..... ok I give up... this video needs a lot of rework :P
Check out the C6 Power Blade: Advanced Carbon Structure Battery 100% recyclable, 10,000 life cycles, Lifetime Warranty potential to increase the range of electric vehicles beyond 500 miles, 50% cheaper to manufacture
Brilliant link. Thank you and what an interesting product!
You don't store power you store energy. Power is the rate of output of energy, so it makes no sense to say it stores a large amount of power. "It can *deliver* a lot of power" makes sense.
Xavier X thank you. I’m sure you won’t be surprised to know you are not the only knowledgeable person who has pointed this out to me 😳. As I said I work in simple terms but have learnt a lot from the feedback in the comments on this video 👍
What is the other alternative for cars??
javaid shah hydrogen?
EV Opinion
Don't think so.
D.I.C.E.
Dirty (To make, often fossil fuel)
Inefficient (uses too much power)
Complicated (too many steps)
Expensive (all of the above)
Add to that explosive, chemically active (make metals brittle forming hydrides), next to impossible to contain due to its small molecule and a host of other issues relating to weight, lubrication, etc.
Next gen batteries show amazing promise but they still are at the R&D stage. If they only deliver on a fraction of what they are saying it will be an epic shift.
check out graphene
What your suggestion is already done.
Indeed it has been but the additional energy required to make them last like a battery is still being researched. There are a few companies who have produced a product but as yet we haven't seen them making a real difference in EVs. Hopefully this or something else will move us on soon.
They can add acceleration but can they store energy for slow release.. that's not what caps do
Will Mac that is what they are working on now. 🤔
Capacitors are notoriously fast chargers and fast dischargers. They don't like to discharge slowly.
And therein lies the holy grail!
Degradation is a word though
Capacitors don't hold power, they hold energy.
So its the end of LI batteries, but what about combs and brushes?
Oh wait.....
Or use machanical batteries with super capacitors
Extract negative ions from the atmosphere
Erro mate, i see where your coming from here but you need to do a bit of maths and our current tech that we have and there you will see where we are, we are nearly there but a bit of time is needed, the basic tech is here but we need to work on it
What's your opinion electric or hydrogen??
javaid shah for me, electric. There is a place for hydrogen but I don’t think it’s in cars. Why carry around a battery charger when you can just plug in?
Hydrogen needs so much power until you can use it:
1) You produce Electricity
2) Second you Electricity to the Hydrogenproducer That costs not much Power.
3) you take all the Electricity to make Hydrogen by water. That costs Power. So you lost many of your Power. But now the Power is in the Hydrogen ;)
4) you store (compress) Hydrogen. That costs Power.
5) You transfer Hydrogen to a Station. That costs also Power.
6) You transfer it in your car. That costs Power.
7) You convert Hydrogen in to Electricity to run the Motor. That costs als much Power.
With the rest of your Power you will run a Car?? Yes it works much more better than any batter. Right.
But the way until the the electricity reach you motor is complicate and expensive.
Or you run your Motor by Hydrogen. That is also very good. But you lose Power by that pricess.
In the End:
Charge and drive to be efficient. The elektricmotor by Tesla is more than 100 years old. We never invent a engine with more efficient.
Christian Mancke I agree. The only time I have seen hydrogen production being used to good effect is on Orkney. They use the spare power from wind, solar, tide etc to produce and store hydrogen. It was renewable energy going to waste so why not use it this way 😁👍
In short, not Hydrogen but Electric cars are the future.
Why are super capacitor so damn expensive? There's less chemistry involved with it...
We would use more supercapacitors, now, if they weren't so expensive.
And another question I have is why are they only making 2.7 volt capacitors?;I don't understand why they aren't making higher voltage super capacitors...
They are expensive because the materials are expensive, and for now made in low numbers.
And the low voltage is a limit to physics, capacitors get more capacity if you can bring both charged plates closer, but the closer you get the less voltage you can hold back with your insulator before electrons can punch through.
No , the first battery is made bc 250 , badhdad battery !
LIth-ion battery stores electricity in a _chemical_ form.
Supercapacitors stores electricity in _electrical_ form.
When going from electrical to chemical (battery), or the reverse, there is a _state_ change. This may lose 15%.
When going from electrical to electrical (supercapacitor), there is no _state_ change. Loss is very, very low.
_Chemical_ batteries discharge and charge _slowly._
_Electrical_ Supercapacitors discharge and charge _immediately._
Chemical batteries have a high electrical storage capacity.
Electrical supercapacitors have a low storage capacity.
Supercapacitors are good at storing electricity _very quickly_ and releasing it _very quickly,_ as in kinetic brake energy and releasing the charge for vehicle acceleration or starting an engine in start-stop. Using batteries to reclaim electrical braking energy reclaims less than 50% of the generated charge, a supercapacitor reclaims around 95% and releases that.
Merging the two into one box is called a *super battery.*
Supercaps are used in urban electric trains to reclaim braking then release for fast acceleration. Some are in large banks on the trackside.
John Burns thank you for a great simple explanation. I’ll call on you next time I need a script to explain anything technical 😁👍
😁
Can't hold much power. Look towards grahine or silicone batteries.
the fuel tank of tomorrow A super capacitor
on you tube
Please review the terms "power" "energy" "work" and "force". You are mixing them up.
Frederic Borloo I did have a section of the video about the differences using the water in a big / little bucket with a big/ little hole. Unfortunately it dragged on a bit so I cut it out and then as you pointed out used the wrong terms in places. Hopefully the message still came across 👍
The biggest question here is would these new super capacitor last long enough for you to shave your entire head?
Ideas not bad but a bit like hydrogen and hybrid, adds complexity, becomes very quickly obsolete as batteries themselves are improving so quickly . Example 5% increase in performance of 20 kilowatt hour pack would add 1 kilowatt hour , would require significant super capacitor both size and weight with extra controller system on top of battery tec . As I said easily adds complexity where not required . Other example solid state likely to make this old hat . We already have ludicrous Tesla performance which by the time the new roadster comes on line will be obsolete with the 200 kWh pack in the same packaging or near enough , like mini disc after cd , too late because MP3 players solid state made them pointless , speaking as a man who bought minidisc, big mistake
Nigel Weir Ha! I just avoided the mini disc! I think that if they make the breakthrough they are trying to with super capacitors then the energy stored and released will Work give it lightning charging times and vastly improved life span but it’s all theoretical at the moment and solid state batteries look like a better bet to succeed!
Nigel Weir
Sorry, no, because if they work, (and it seems they do.... )
They will make ANY battery more efficient, last long and have more range.
They will also hold more energy for a smaller size.
WHEELS! They were invented in 3,500 B.C.. This is old technology. So, why are we using such ancient tech in our futuristic, modern, EVs?! (Silliness aside, now. The ions don't move through the circuit doing work, that is the job of the electons. The ions only move through the dielectric. Your diagram is right, just need to update dialog.)
A very good point Sir. We await the release of your Anti-Grav with bated breath !