Flexible high-performance aluminium battery

Taffycat

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With the possibility of only a one-minute recharging time, plus the benefit of being flexible and less hazardous than lithium-ion batteries, it looks as if the inventors might be onto a winner.

Date: April 6, 2015
Source: Stanford University

Summary:
Scientists have invented the first high-performance aluminum battery that's fast-charging, long-lasting and inexpensive. Researchers say the new technology could replace many lithium-ion and alkaline batteries in wide use today.



For the experimental battery, the Stanford team placed the aluminum anode and graphite cathode, along with an ionic liquid electrolyte, inside a flexible polymer- coated pouch.

"The electrolyte is basically a salt that's liquid at room temperature, so it's very safe," said Stanford graduate student Ming Gong, co-lead author of the Nature study.

Aluminum batteries are safer than conventional lithium-ion batteries used in millions of laptops and cell phones today, Dai added.

One example is ultra-fast charging. Smartphone owners know that it can take hours to charge a lithium-ion battery. But the Stanford team reported "unprecedented charging times" of down to one minute with the aluminum prototype.

"Another feature of the aluminum battery is flexibility," Gong said. "You can bend it and fold it, so it has the potential for use in flexible electronic devices. Aluminum is also a cheaper metal than lithium."

Full article here: http://www.sciencedaily.com
 

muckshifter

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interesting ... when they get the power & time fixed, we should be on a winner. :)
 

nivrip

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Hope they didn't use one to print out that summary. It's fading away to nothing towards the end. :D

Presumably it's made from old beer cans. :D
 
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