Supercapacitor technology could result in the battery of your dreams

Supercapacitor technology could result in the battery of your dreams
There are always new inventions being worked on that promise to improve battery life and charging time for smartphone users. The latest technology comes from the University of Central Florida where a supercapacitor battery prototype has been built. These batteries could last 20 times longer than the current lithium-ion cell. 

In theory, these batteries could be a power user's dream. Charge one up for a few seconds, and a handset will last a whole week without needing another charge. Because supercapacitors store power on the surface of a material and don't require a chemical reaction to create the power, these batteries can be charged quickly. The prototype can be charged more than 30,000 times and still act like new. Currently employed cells start losing power capacity after a period of time.

The team at UCF played around with concepts, one being the attachment of two-dimensional material only a few atoms thick to the supercapacitors .By allowing electrons to pass quickly from core to shell, it resulted in a material with high energy and power density that charges fast. UCF's Yeonwoong "Eric" Jung said, "We developed a simple chemical synthesis approach so we can very nicely integrate the existing materials with the two-dimensional materials."

These batteries are also flexible, allowing them to be used in wearables. One major caveat according to Jung, is that the project is not yet ready to be commercialized. "But this is a proof-of-concept demonstration," he said. "Our studies show there are very high impacts for many technologies."

source: UCF via Engadget



1. sissy246

Posts: 7124; Member since: Mar 04, 2015

Sounds promising. I don't even really care if it last longer on a full charge as long as it is a safer battery the Li-ion batteries.

2. shaineql

Posts: 522; Member since: Apr 28, 2014

This fills the weekly quota for "new battery tech that will never happen is found".

3. kiko007

Posts: 7500; Member since: Feb 17, 2016

My thoughts exactly........

5. NarutoKage14

Posts: 1327; Member since: Aug 31, 2016

Meh. Supercapacitor batteries have been 2-3 years away since the day we survived Y2K. I'll believe it when I see it actually in the market.

11. tedkord

Posts: 17410; Member since: Jun 17, 2009

They do seem to pop up now and then, never to be seen again.

18. epdm2be

Posts: 824; Member since: Apr 20, 2012

Especially since it has been mentioned YEARS ago... the URL below is from 5 years ago: Also in 2012 (see source below) advances were already made (and not yet commercialized) to charge e.g. car batteries significantly faster.

4. Babadook

Posts: 230; Member since: May 24, 2016

Hopefully is 2-3 years it's made more accessible. That way the phone I buy will utilize such tech.

6. NarutoKage14

Posts: 1327; Member since: Aug 31, 2016

Hah! You're dreaming it you think 2-3 years is gonna happen. That's what they've been saying for 15 years.

7. jeroome86

Posts: 2314; Member since: Apr 12, 2012

Yeah. I guess we will carrying hand grenades for a while.

10. BillFrmCL

Posts: 1; Member since: Nov 22, 2016

Capacitors are equally capable of explosive and rapid discharge. Anything capable of storing and releasing this energy with known materials will have issues. If you've never sat next to a capacitor that blows it sounds like a shotgun going off. The electronics will most always out-pace energy storage. The electronics will consume less and become increasingly smaller. The largest issues are energy storage, display tech. (currently back lights), and rf transmitters/wireless in terms of energy usage. The operational time can be increased by more then mere batteries. Bottom line: Put that much energy into that small a space and it will escape in an uncontrolled manner no matter the materials or engineering. So as long as dense storage is required, you are correct jeroome86.

19. epdm2be

Posts: 824; Member since: Apr 20, 2012

since world war III is upon us (if we believe the anti-Trump crowd) these hand-grenades might come in... euh... handy :o)

8. lyndon420

Posts: 6823; Member since: Jul 11, 2012

We definitely need a new rechargeable standard. We're due for change since we've already lost our headphone jacks...may as well make wireless tech more practical since it's being forced on us anyway.

9. randomCommenter69

Posts: 12; Member since: May 03, 2016

And I'm waiting for Super Inductors for wireless electricity / long range charging.

12. fiji.siv

Posts: 95; Member since: Nov 25, 2015

Don't worry all the phone manufacturers will installs these but with just enough capacity to last one day but our phones will be thinner because that's what matters most... evidently.

20. epdm2be

Posts: 824; Member since: Apr 20, 2012

Eventually they'll be so thin that screens react more in common with resistive touch-screens from 20 years ago :-)

13. DoggyDangerous

Posts: 1028; Member since: Aug 28, 2015

So it will come to the market in next 50 or 100 years? Like other promising techs?

14. surethom

Posts: 1716; Member since: Mar 04, 2009

O wow that must be the 30th new battery story in the last 5 years & still no new battery released.

15. ibend

Posts: 6747; Member since: Sep 30, 2014

I know capacitors can be charged really fast.. but AFAIK capacitors also discharged really fast;; did they found a way to discharge it slowly, safely, and within stable voltage? (I dont read it anywhere in this article)

16. Loubielou

Posts: 603; Member since: Jul 11, 2012

We always get promised with new batteries but we never seem to get them made available, with All this modern times no one ever seems to solve the battery problems its Amazing

21. epdm2be

Posts: 824; Member since: Apr 20, 2012

Why would they? With current tech (coupled with non-replaceable batteries) batteries are depleted so significantly after 500 charge-cycles that consumers are literally forced to buy new devices. If you re-charge your phone once every day then that is a life-expectancy of about 2 years. This fits PERFECTLY in the plans of consumer product manufacturers. So there is absolutely no reason to change that. However, you will see this tech sooner in military though...

17. trojan_horse

Posts: 5868; Member since: May 06, 2016

Another battery tech which is likey to not make it in the hands of consumers anytime soon. Though it's promising and while nice in concept, nothing to get excited about at this point in time.

22. epdm2be

Posts: 824; Member since: Apr 20, 2012

yeah, there I was... hoping to get teleportation-technology by 2020... oh dear. Everything advances much faster in Star Trek, it isn't fair! :o)

23. drazwy

Posts: 356; Member since: Jan 15, 2014

LOL! Yeah right.

Latest Stories

This copy is for your personal, non-commercial use only. You can order presentation-ready copies for distribution to your colleagues, clients or customers at or use the Reprints & Permissions tool that appears at the bottom of each web page. Visit for samples and additional information.