Supercapacitors explained - the future of energy storage?

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#supercapacitors #renewableenergy #batteries #explained #undecidedwithmattferrell

[karolstopinski]

I'm a big fan of super caps and i really hope that some day they could reach just half the power density of li-ion batteries. I think a car that has half the range but you can charge in seconds or minutes would completely revolutionize the industry. No more range anxiety.

[christophermiller]

It’s simple: just store the energy in my Nintendo DS. The charge will stay 100% for millennia.

[wweghorst]

I think it’s just like SSD in computers, first you got HDD, then HDD+SSD en now it’s almost SSD only.

[raysam]

"Battery technology is currently good enough"
I see what you did there

[renatobfa]

09:58 "The *potential* is there for supercapacitors to take *charge* of the energy-storage game"
I see what you did there

[chadroback]

Hey Matt... I think super capacitors could be used to recoup energy from the suspension dampening using cervos. The amount of energy a vehicle experiences with the road surface variance and grade, I believe there is some untapped potential for super capacitors.

[etienne]

Love Super Caps! Some people already replaced their 12V car battery with a supercap set. Like you said, in EV's it might be used as a hybrid for charging. But wait, there is

[jfausset]

thank you for making the distinction between specific energy and energy density. a lot of people try to use them interchangeably. Thank you for the video in general. I still believe supercaps will replace redox batteries. Hybridizing them is the first step. There will be some interstitial or other modification to improve energy density. The difficulty i see is supplying power at linear discharge rates. High frequency switching (IGBTs) in parallel to a load to keep the load supplied at a constant rate is a viable path i see.

[captainswjr]

I use a supercapacitor jump-pack to jumpstart boats. They're neat. Half the size and weight of the old style that had a motorcycle size battery in it, but it'll turn over a big diesel engine. Once.
The upside is that you put it on the good battery and it charges back to full in a minute.
That's really what they're good for putting out really high amps for a short time.

They're never going to replace batteries. What they're good for is spike loads. It doesn't matter if they can only put out the power for two seconds if you're using it to go 0-60 in a Tesla.

[XLBIGDrizzy]

The car audio industry would like to say "welcome to the party"

Super capacitors are great for charging and discharging quickly.

They don't hold much energy compared to batteries.

But like, this tech has been around for a long while. The only thing I see as new is the use of graphen, and I believe THAT has potential.

[robinlindeberg]

Feels like heavy duty vehicles is the market where this will make the most difference. 80% energy retention from breaking downhill with 40 metric tons can be a game changer.

[denniss]

On my ebike, I am the super capacitor, I will pedal up to speed then use battery power to maintain that speed. This is also being used in RV ac units, reducing the power needed to kick start the compressor

[esimm]

It's ;just amazing how many extremely useful things have been discovered accidentally.

[Limumark]

Another amazing video Matt! I would be very interested in your take on Diamond Batteries. They seem like a great option for a long term solution but I'm sure there are many drawbacks. Have you looked at them recently?

[sirnuggets]

John Goodenough, the inventor of the lithium ion battery, is still working to this day towards a 'glass solid state battery' which is sure to win him the nobel prize yet again. It's supposed to have 2-5x the capacity of lithium ion, a higher temperature stability range, and much longer lifespan that apparently improves capacity over time instead of reduce. Funny story i'm distantly related to this man on my fathers side, I hope to someday visit him in Texas and pick his brain on the subject, course he's so busy i doubt he'd have time for me.

[bobwallace]

Just some info on battery life. I recently replaced my worn out lead acid batteries in my home solar system with lithium iron phosphate batteries. They are rated at 10, 000+ full 100% to 0% charge cycles. With a daily full cycle those batteries should last over 27 years.

BYD, the Chinese battery and EV manufacturer, has been using lithium iron phosphate batteries in their EVs. The batteries are heavier than lithium ion batteries but apparently Chinese drivers are not a concerned about long ranges. Tesla is now using similar batteries in the Model 3s they are building in Shanghai.

200 mile range. 10, 000 cycles. That's two million mile battery.

[saswotlamichhane]

*Thanks for the great explanation!* I was amazed by *supercapacitors!!*

[aussieuGA]

Would love to see super-capacitors be incorporated into Teslas to provide consistent “launches”, regardless of battery SOC.

[RAFchingachgook]

I'm an automotive designer (styling). This was VERY helpful for me. Got me thinking about future concept vehicles. I'm going to pitch something to Skeleton that shows an open body styling that displays both the battery and the capacitors. FUN!

[dimensionalfuse]

An overall excellent job in explaining these core concepts. You, sir, are a thinking man’s tutor.