Posted on 05/21/2013 2:21:17 PM PDT by NYer
Winner for my needs!
And it will allow him to travel back to the year 1985...
Of course, to make this work, the charger applies 100,000 volts rather then the usual 24 or so.
Next version will hopefully increase the number of times you can charge your Lithium Ion cell phone battery to two!
Another potential great American down the tubes.....
LOL!
Harvard kills brain cells.
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$50K ??? someone needs to tell this young ignorant mind that creating a worthless website that is attractive to a large cash rich tech companies pays a lot more.
It is a nice idea, but charging a battery causes the battery to heat up and the faster you charge it, the hotter it gets. Trying to charge it in 20 seconds would most likely destroy a battery. Now, I can see the application used to store energy lost while braking in a car and then being released when you want to speed up.
The problem with supercapacitors is that when they fail it is because of a catastrophic short that can result in sparks and fire.
I would like to know what her mom and dad do for a living.
I imagine the mom is a stay at home housewife and the dad runs a struggling car repair shop.
Evidently she learned everything about nanoscale manufacture of supercapacitors by Googling Wikipedia and other sites.
When the cap blows she WILL be setting the world on fire...literally.
That can’t be any good for the battery.
How does a battery handle a charge rate that exceeds its amperage and chemical capacity without destroying the battery?
Don’t you just love eager reporters with a failing basic science education? This woman invented ... a capacitor?
No explanation of how her device is innovative over existing capacitors.
Also why put the “cell phone” in the title? She just powered an LED with her “invention”!
And finally, she did not invent a device that can charge a phone!!!
There you go, injecting the harsh reality of physics into this wonderful feel good story.....
Downside is your phone has a one in five chance of starting on fire.
Failure of journalism. Her work seems to concentrate on capacitors rather than batteries. Capacitors can charge and discharge very quickly.
Of course, as who_would_fardels_bear points out in post 12 rapid discharge of large amounts of energy can be pretty spectacular in both heat and light, as well as sound. ;-)
Nothing new, here, just basic physics...
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