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 Forum index » Taking the Puppy out for a walk » Announcements
Teen's invention could charge your phone in 20 seconds!
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Semme

Joined: 07 Aug 2011
Posts: 3907
Location: World_Hub

PostPosted: Sun 09 Jun 2013, 18:29    Post_subject:  Teen's invention could charge your phone in 20 seconds!  

Quote:
Waiting hours for a cellphone to charge may become a thing of the past, thanks to an 18-year-old high-school student's invention. She won a $50,000 prize Friday at an international science fair for creating an energy storage device that can be fully juiced in 20 to 30 seconds.

Story...
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starhawk

Joined: 22 Nov 2010
Posts: 2868
Location: Everybody knows this is nowhere...

PostPosted: Sun 09 Jun 2013, 19:14    Post_subject:  

Supercapacitors have been around for a couple years. I assume this is some sort of innovation that makes them better somehow?
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Semme

Joined: 07 Aug 2011
Posts: 3907
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PostPosted: Sun 09 Jun 2013, 22:50    Post_subject:  

Of course. Sans details, it sounds like a new capacitor material/matrix is what she's developed.

Several clips <video1> <video2> exist that should provide more insight as to how things work.
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dogle

Joined: 11 Oct 2007
Posts: 331

PostPosted: Mon 17 Jun 2013, 08:12    Post_subject:  

Here's the 'gen:
http://www.usc.edu/CSSF/Current/Projects/S0912.pdf

If the energy density attainable in supercapacitors can be increased significantly (and successfully, outside the lab!), big changes might be on the way. Satisfactory electric cars is just one of the things to spring to mind.

The problem of preventing a catastrophic, instantaneous accidental discharge of all that stored energy - !BOOM! - remains to be addressed.

(What has this to do with Puppy? Well, for a while now I've been wondering whether I could use supercaps to overcome a longstanding problem - the habit of the electricity company of giving supply dips too brief for the UPS to cut in, juuust long enough to lose RAM content, juuust before I was due to save stuff to disc. Grrrrr! Guess that might be worth a thread of its own).
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linuxbear

Joined: 18 Apr 2009
Posts: 621
Location: Las Vegas, Nevada, USA

PostPosted: Mon 17 Jun 2013, 14:41    Post_subject:  

OK. ......unless these caps, like batteries need a trickle-charge to increase their lifespan....
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