Can This New Technology Make Batteries Obsolete?

Today we’re going to look into Ultracapacitors and the revolutionary Graphene, and how they are going to shape the future of energy and transportation.

References:

Check out this amazing episode of Fully Charged, on Ultracapacitors from Skeleton Technologies

Video References:

[TwoBitDaVinci]

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[isaacroufs]

This is one of the most helpful and truthful videos about supercapacitors and graphene out there. Thanks so much for this amazing content!

[bizzfo]

Graphene has been a coming game changer for the last 5yrs, here’s to waiting another 5+ yrs

[milanswoboda]

Graphene will also be applied to rechargeable battery technology to increase their energy density and improve charge/discharge characteristics so i'm doubtful that the Ucaps with their linear discharge characteristics will ever replace batteries in applications like EVs where maintaining a level voltage over extended period of time is important. However, as you mentioned, I can see Ucaps being used to supplement batteries with their high charge and discharge burst abilities.

[jessstuart]

Aluminum electrolytic capacitors aren't exactly using flat sheets (plates) of aluminum. The surface of the aluminum is highly etched to create lots of crevices, which increases the effective amount of surface area in contact with the electrolyte by a factor of 100 or more.

[barry]

A truthful and well explained video. If you don't understand electronics, this is an extremely good simple explaination

[powellmountainmike]

I am a retired electronics engineer. I found this video very interesting and informative. I certainly hope capacitor technology does progress as you theorize in this video. It would do much to advance our energy supply systems around the world. Also, I am old enough so that I still use the term "condenser" when referring to capacitors, the amount of charge they hold as their"capacity" not capacitance, and micro-micro farads instead of pico farads, since that was what they were called when I studied electronics. We never even used the unit nano farads. Yes, I really AM that old, that was many years ago.

[yashyp]

Really amazed on how you explained such a complex topic it's great watching your viedos !👍👍 Keep it Up

[anthonylaiferrario]

Your content is always amazing! Love it :)

[johnmcfadden]

Thanks for the explanation, I have watched Robert Murray Smith s YouTube’s channel and his last one was an update on the pilot line factory for making a carbon based battery that holds a lot of promise, well worth checking out

[bjorn]

graphene is already a huge game changer with batteries, with new battery tech getting 70+% charges in 5 min, 2 companies have already done it one in israel and one in singapore. caps will never take the place of batteries but if they are used in EV's they will only be there to compliment batteries in the way you have stated in vid as better regen charging, quick boost charging (splash and dash) and/or faster acceleration like having a bottle of nos in an ice car

[MartinCHorowitz]

Even an ideal capacitor has a limited charging rate due to dielectric breakdown from dV/dt (rate of change of voltage overtime). Real world capacitors also have Resistance and inductance which matter in high power applications. Your example is ok for a simple model but, those effects make a big difference when building real world devices.

[petergambier]

Thanks for the very clear and concise explanation about graphene, capacitors and all the techy stuff which really helped a thicko like me.

[MrMonkeybat]

9:00 why send the regen breaking energy back to the battery? jut keep it in the supercap till you accelerate again. the battery keeps the supercaps topped up not the other way round.

[Scholzey]

I was looking at making an ultracapacitor powered car for drag racing, but the energy density is just too low. Batteries can largely handle all the power output and input you need, especially on the bigger packs due to the huge amount of parallel batteries all splitting g up the incomming charge. The real world benefit from recharging with supercaps changes regen recovery from 80%ish to around 98%.

Now to run 300kw for 10 seconds(drag scenario) you need 3Mjoules of energy which will require approx 250 cells, but to get the voltage you need will be about 150 cells X 2 in parallel. Which will get you one run down the drag strip, weigh 150kg and cost 14, 400 euros.

Now you can do that cheaper with lithium, with the same weight and have about 20x the energy. But instead of a million recharges(caps) you might get 1000(lipo)

Also the skeleton supercaps are 3200F which is the same energy density as other leading caps. But yes once they get single layer stuff happening then energy density might get to the level where it is almost a substitute for batteries.

[tonytye]

In the UK, i think its in Wales, they have one massive power system that is wffectively a giant battery. It uses power generation devices to create the power and provide it, but when it isn't needed the power generation still happens, it is used to pump water from a resevior at the bottom of a hill, up to a reservior at the top, during peak times the water is released back down and provides hydro electric powet at night.

[karslandman]

Good job in adding sources and references, very informative video! Also, check out Riversimple. I think they had a car with capacitors as additional powerboosters, so the batteries could be small and light

[parinicoffee]

Good video. Skeleton super cap company says that their capacitors are complementary to batteries. They market the super cap as an item that works well for certain uses, such as absorbing regen energy in a transportation application.

[issaaczala]

One of the most useful informative video. Love to watch more on Graphene production and use in transportation, communication, healthcare, education etc..

[robj]

Standard electrolytic capacitors also have electrolyte fluid, which dries up over time and the capacitors fail and bloat. What would a graphene capacitor use?