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Researchers Create Battery that Can Charge in Seconds

Article Comments  11  

Mar 12, 2009, 9:03 AM   by Eric M. Zeman   @phonescooper

A team of researchers at MIT have come up with a new way to recharge lithium ion batteries that could allow them to charge in seconds or minutes rather than hours. As lithium ion batteries act today, the ions need to travel through microscopic tunnels to create the charge. If the ions aren't correctly positioned near the mouth of the tunnels, they don't enter the tunnel and can't produce a charge. The MIT researchers have essentially created an easier way for the ions to reach and enter these tunnels, which they are calling a "beltway". This method for charging means batteries don't lose their capacity to charge over time. It also allows for faster charging, and smaller batteries that carry the same capacity. Smaller batteries can lead to smaller, lighter battery-powered devices.

more info at BBC »
more info at Engadget »



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Mar 12, 2009, 9:51 AM

Automotive Application

One of the strikes against purely electric cars is battery charge time. If they can get charge time comparable to filling the gas tank, it would be a major step.

The smaller battery with the same charge is also important for automobiles.
This is great news for companies like Tesla. Let's hope the oil companies and auto manufacturers don't nix this like they did the EVs in the late nineties.

Mar 12, 2009, 11:24 AM

What happened??

i have a AA/AAA charger that charges batteries in 15 minutes!
y cant they do this on cellphone?

15minutes AA/AAA charger. ... »
Different type of battery. Those are NiMH, not Lithium.

Mar 12, 2009, 9:29 AM

So then... the news today [in the future], eight major device manufacturers have recalled batteries on their devices, because of a risk of exploding when charging up. Time has repeated itself again, as the Korean manufacturers, aggressive at cutting costs, have failed to include failsafe mechanisms on the new Lithium-ION batteries, that can charge up in seconds.

lets hope not.

i'm really excited to see how this pans out. a battery like that would change my life.

Mar 12, 2009, 9:41 AM


the ability for it to not lose its recharging capabilities...

no more problems with worn out batters Smile
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