Free Republic
Browse · Search
General/Chat
Topics · Post Article

Skip to comments.

Next-gen lithium-ion battery charges 20x faster, lasts 20x longer
tweaktown.com ^ | 1 hour, 33 mins ago Oct 13, 2014 | Anthony Garreffa

Posted on 10/13/2014 9:17:01 PM PDT by Ernest_at_the_Beach

Improved lithium-ion battery technology is coming, charging up your battery to 70% in two minutes, or an entire electric car in 15 minutes

*****************************************************

The next-generation of lithium-ion batteries is really going to ensure that users get all-day, and even more battery life out of their devices. A team of researchers in Singapore have developed this improved lithium-ion battery tech, which is capable of recharging a battery to 70% in just two minutes, yes: 120 seconds.

 

TweakTown image news/4/0/40554_01_next_gen_lithium_ion_battery_charges_a_battery_to_70_in_two_minutes.jpg

 

The clinch, is that this isn't a new battery technology, but it improves on the existing technology that is used. The improvements are coming from a form of nanostructures, where instead of traditional graphite used to create the lithium-ion battery's anode, this new technology uses a cheap titanium dioxide gel, which is a similar material to that used in sunscreen, that absorbs UV rays.

 

The scientists have discovered a way to turn these compounds into nanostructures that super-speed the charging process, with this change making lithium-ion batteries capable of charging 20x faster, and lasting up to 20x longer. Associate Professor Chen Xiaodong of Nanyang Technological University said in a release "With our nanotechnology, electric cars would be able to increase their range dramatically with just five minutes of charging, which is on par with the time needed to pump petrol for current cars". The researchers hope to have this technology on the market within two years, which should be perfect timing for our next, next-gen smartphones and electric cars.


TOPICS: Business/Economy; Computers/Internet
KEYWORDS: batteries; efv; energy; hitech; lithiumionbatteries; nanotechnology
Navigation: use the links below to view more comments.
first previous 1-2021-4041-6061-8081-89 last
To: The KG9 Kid

“This would also be a huge boon for Solar power.”

This COULD also be a huge boon for Solar power. And I hope it will be.

Toyota has sold over 2 million Prius type hybrids, worldwide. Going back over ten years.

I remember all the criticism of such a vehicle, and technology.

Yet every single person I have asked, says they love their vehicles and the fuel economy. No battery problems. Every single one.


81 posted on 10/14/2014 3:56:07 PM PDT by truth_seeker
[ Post Reply | Private Reply | To 35 | View Replies]

To: conservatism_IS_compassion

Exactly.

A constant-rpm diesel powering batteries and/or electric motors. The constant-rpm diesel engine might be able to run on almost any kind of oil.


82 posted on 10/14/2014 4:04:18 PM PDT by jjotto ("Ya could look it up!")
[ Post Reply | Private Reply | To 80 | View Replies]

To: conservatism_IS_compassion

I don’t know when battery technology will surpass the gas engine, but itt will happen.

I just made a flippant comment to those who come on every thread about electric cars and wail and gnash their teeth.

Let’s build some nukes.


83 posted on 10/14/2014 5:24:24 PM PDT by morphing libertarian
[ Post Reply | Private Reply | To 68 | View Replies]

To: catnipman
I just LOVE miracle battery stories. Must have seen at least two dozen in my lifetime. I love them almost as much as the nutter LENR posts that invest FR.

I can't help but think of the miracle carberator said that promised 200 Mpg.

84 posted on 10/14/2014 9:45:33 PM PDT by Swordmaker (This tag line is a Microsoft insult free zone... but if the insults to Mac users continue...)
[ Post Reply | Private Reply | To 5 | View Replies]

To: Paul R.
Well, now, let’s do a little simple math.

Let’s say we have a 2000 mAh battery that will accept a charge current of 500 mA, and it takes 5 hours to fully charge (there are always substantial losses in the charging process.) If said battery can be charged 20x faster (ie., in 15 minutes), our charge current is up to 10 amps. That’s a MUCH bigger, more expensive charger.

Similarly, if the battery has 20x the capacity (40 Ah), given the original 5 hour charge time, again, charge current is 10 amps.

If the battery has 20x the capacity and can be fully charged in 15 minutes, then charge current is 200 amps.

Obviously, the battery banks needed to propel vehicles are MUCH larger. The recharging stations could be quite, uh, interesting. Plus, heat dissipation in both the charger and the batteries being charged would seem to be a very large concern.

My problem is the reality of what an electric cell is. . . it is a means of releasing energy by chemical change. There is an exothermic reaction if you charge it too fast as you add energy, forcing a chemical change. At one rate, the exothermic reaction is manageable, speed charging up by 20x, can they say the same? I really don't think so. I think the battery, a collection of cells, would get very HOT.

85 posted on 10/14/2014 10:03:00 PM PDT by Swordmaker (This tag line is a Microsoft insult free zone... but if the insults to Mac users continue...)
[ Post Reply | Private Reply | To 29 | View Replies]

To: PapaBear3625
The article says: The new battery will be able to endure more than 10,000 charging cycles -- 20 times more than the current 500 cycles of today's batteries.

Now THAT makes a lot more sense. . . and the economics might be more sensible. A battery can cost ten times more but if it's life is 20x longer it's approximately half the cost over its useful life.

86 posted on 10/14/2014 10:10:14 PM PDT by Swordmaker (This tag line is a Microsoft insult free zone... but if the insults to Mac users continue...)
[ Post Reply | Private Reply | To 64 | View Replies]

To: conservatism_IS_compassion

Well... I use rechargeable batteries a LOT, and the early failure rates are dismal indeed. If the researchers are claiming 10,000 charge cycles, what we’ll probably get in “real” production is 1500, on average. That is, 1500 charge cycles if the contacts don’t corrode first, etc. This is a welcome improvement, but no miracle.

The charge rates are still limited by charger capacity.


87 posted on 10/15/2014 7:00:47 PM PDT by Paul R. (Leftists desire to control everything; In the end they invariably control nothing worth a damn.)
[ Post Reply | Private Reply | To 68 | View Replies]

To: Swordmaker

Yes, that is my point about heat in the battery being charged. I’d guess that the improvement being touted involves less heat generation as the current is pushed in, and / or less tendency to go exothermic, but, still, 20x is dumping in a LOT of energy quickly.

This can be seen in high capacity batteries being charged by “quick chargers” (ie., high current chargers) available even a few years ago. The batteries get HOT.

Internal resistance of the cells would need to be much lower too — making for high output capacity without overheating, but, if the thing ever shorts out, oh boy!

I happened to accidentally short out a plain ‘ol Alkaline cell in my pocket the other day: It left a very nice burn mark on my leg...


88 posted on 10/15/2014 7:10:56 PM PDT by Paul R. (Leftists desire to control everything; In the end they invariably control nothing worth a damn.)
[ Post Reply | Private Reply | To 85 | View Replies]

To: Paul R.
happened to accidentally short out a plain ‘ol Alkaline cell in my pocket the other day: It left a very nice burn mark on my leg...

Ow! Don't DO that!

Sony made some batteries (about 300,000, IIRC) for Apple IBooks and for some Fujistsu and Dell laptops way back in the in the early 2000s that had some defective electronics in them. The Apples merely overheated by rapidly discharging and discolored the cases, but the Fujitsus and the Dells, in a few cases, actually caught fire. Apple recalled 50,000, and the other two makers recalled 250,000, but guess which company got the lion's share of the bad publicity? Yup, Apple. . . and it was reported that it was Apple laptops that caught fire, not the Dells and Fujitsus that actually ignited. LOL!

89 posted on 10/15/2014 8:03:54 PM PDT by Swordmaker (This tag line is a Microsoft insult free zone... but if the insults to Mac users continue...)
[ Post Reply | Private Reply | To 88 | View Replies]


Navigation: use the links below to view more comments.
first previous 1-2021-4041-6061-8081-89 last

Disclaimer: Opinions posted on Free Republic are those of the individual posters and do not necessarily represent the opinion of Free Republic or its management. All materials posted herein are protected by copyright law and the exemption for fair use of copyrighted works.

Free Republic
Browse · Search
General/Chat
Topics · Post Article

FreeRepublic, LLC, PO BOX 9771, FRESNO, CA 93794
FreeRepublic.com is powered by software copyright 2000-2008 John Robinson