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[Liveleak] Supercapacitor. - Page 2

post #11 of 47
2/20/13 at 3:09pm
Quote:
Originally Posted by Rothen View Post

From what I have studied of capacitors, I don't think they'll be replacing batteries any time soon. There's a fundamental difference on how they function.

You haven't studied enough about capacitors then. Supercaps can replace batteries if they can find a way to curb the leakage.
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post #12 of 47
2/20/13 at 3:17pm
Quote:
Originally Posted by Rothen View Post

From what I have studied of capacitors, I don't think they'll be replacing batteries any time soon. There's a fundamental difference on how they function.

Perhaps. I guess the keywords in your post are "any time soon." They may function differently, but if capacitor technology takes off faster than traditional battery technology... we may not be using a lot more super capacitors in 10 or 20 years. We may even see them working together in situations where you could rapid charge x% of the device in a few minutes, but if you leave it overnight you would finish off the other y%.
Quote:
Originally Posted by tinate View Post

You haven't studied enough about capacitors then. Supercaps can replace batteries if they can find a way to curb the leakage.

Isn't the storage capacity more of an issue? I didn't think there were any capacitors on the face of the earth that even come close to storing the same amount of energy you could store in a traditional battery.
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post #13 of 47
2/20/13 at 3:18pm
Thread Starter 
Funniest thing is with what they come up to dry the Graphene sheet lol use a DVD drive serious how you come up with that its realy smart usage of cheap parts to do research ^^.
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post #14 of 47
2/20/13 at 3:26pm
Quote:
Originally Posted by DayoftheGreek View Post

Isn't the storage capacity more of an issue? I didn't think there were any capacitors on the face of the earth that even come close to storing the same amount of energy you could store in a traditional battery.

Regular caps cannot. The newest super caps are getting closer. That technology is getting better and better. What I don't see getting better is the leakage.
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post #15 of 47
2/20/13 at 4:10pm
The older generation of ultracaps are fun to play with. I picked up 12 of them a couple of years ago for $200. They're pretty common second-hand items these days, so if you want to play you can do so without breaking the bank.

2600 Farads @ 2.5V (8125 J / 135 watt-minutes)

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post #16 of 47
2/20/13 at 4:34pm
Okay so water+graphite from my pencil + cd = uber battery?

What are they not telling me. How is this not already the case, i found articles from 2011 talking about graphene being a good conductor/storage of an electric charge.

EDIT:
Quote:
Originally Posted by Particle View Post

The older generation of ultracaps are fun to play with. I picked up 12 of them a couple of years ago for $200. They're pretty common second-hand items these days, so if you want to play you can do so without breaking the bank.

2600 Farads @ 2.5V (8125 J / 135 watt-minutes)


That looks dangerous smile.gif
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post #17 of 47
2/20/13 at 5:44pm
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Exciting stuff. And yes, that huge capacitor looks dangerous as hell.
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post #18 of 47
2/20/13 at 5:50pm
Quote:
Originally Posted by pcguru000 View Post

Okay so water+graphite from my pencil + cd = uber battery?

What are they not telling me. How is this not already the case, i found articles from 2011 talking about graphene being a good conductor/storage of an electric charge.

EDIT:
That looks dangerous smile.gif

Yea...try not to discharge it too quickly when in use 0_0
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post #19 of 47
2/20/13 at 5:58pm
Warning: Spoiler! (Click to show)
Quote:
Originally Posted by Particle View Post

The older generation of ultracaps are fun to play with. I picked up 12 of them a couple of years ago for $200. They're pretty common second-hand items these days, so if you want to play you can do so without breaking the bank.

2600 Farads @ 2.5V (8125 J / 135 watt-minutes)


lol, that looks like something you would put into the bottom of an electric car if it took batteries.
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post #20 of 47
2/20/13 at 6:11pm
But how impact resilient would these graphene capacitors if they were to be used in cars and consumer electronics? Don't want my phone to explode on me if I dropped it on the ground, or the car if I got into an accident for that matter.
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