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Tuesday, 07 June 2011 14:48

MIT comes up with superfast charging battery

Written by Nick Farell

Fills up in seconds
Boffins at MIT, have come up with something which could provide a lightweight and inexpensive alternative to batteries.

The new battery relies on an innovative architecture called a semi-solid flow cell, in which solid particles are suspended in a carrier liquid and pumped through the system. The positive and negative electrodes are composed of particles suspended in a liquid electrolyte.

According to a paper penned by Mihai Duduta and graduate student Bryan Ho, and published May 20 in the journal Advanced Energy Materials, the battery separates the storing energy until it is needed, and discharging that energy when it needs to be used into different areas. This can reduce the size and the cost of a complete battery system, including all of its structural support and connectors, to about half the current levels.

Another potential advantage is that in vehicle applications, such a system would permit the possibility of “refueling” the battery by pumping out the liquid goo and pumping in a fresh, freshly charged replacement.

Nick Farell

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+23 #1 Xyllian 2011-06-07 15:17
Will electric cars finally be usable? Me likes the idea of that!
+25 #2 darkpulse 2011-06-07 15:21
Another Good innovation from MIT folks. I hope it's environment friendly and cheap, apart from being light weight. :-)
+10 #3 Sodomy 2011-06-07 15:30
title is misleading, i was under the impression that the battery was charged not "lets just swapp the actual battery with the exeption of the case". Look at super-capacitors that would be much better, if they can ever get em small enough.
+5 #4 Bl0bb3r 2011-06-07 16:45
Actually Sodomy, it's a much better application than actual batteries from a environmental point of view. Right now the huge ass batteries that electric cars have are highly pollutant when their life cycle ends. If they can swap out the contents of the battery it would make a car more eco-friendly. This also means that any current cars that use lead-acid battery packs could be retrofitted to run on this electric goo. Nevermind the low recharge time.
+2 #5 dicobalt 2011-06-07 23:25
I just wonder how much power these batteries hold compared to current technology. This technology isn't much good if you can only drive a short distance.
+2 #6 Fud_u 2011-06-08 06:17
It ain't happening until I see it and use it. Talk to the hand.

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