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Paper is good for a lot of things. It can be used to play a fun game of paper football. You can write on it. You can fold it into paper planes. Heck, you can even use paper-products to wipe your hiney. But did you know you can even use paper to store electrical charge? A team of researchers at Stanford University has proven that plain copier paper, when coated with carbon nanotube-impregnated ink, can hold charge just like a AA battery. Unlike a AA battery, though, the paper batteries can bend and discharge very quickly. Hopefully that doesn’t happen while your “wiping” yourself.
All kidding aside, the new technology promises to bring “paintable” batteries to life. The fibrous paper acts as a substrate that carbon nanotubes in the “paint” can readily cling to. When dipped in a solution containing lithium ions and an electrolyte, the carbon nanotubes go wild and generate electrical current. That current is stored on the paper.
The paper batteries could one day power future mobile phones with smaller, lighter weight batteries. These batteries would be capable of quick discharge. And, best of all, the properties of paper have been studied for centuries, making it easy to work with.
Next stop? Fabric-based batteries!
[Via: BBC]
About The Author
Will Park
Will hails from The City of Angels - Los Angeles, California. He spends his time playing with his numerous gadgets and looking forward to seeing what future holds for mobile technology. An avid promoter of a fully "digital" life, he promotes the widespread adoption of truly mobile, paper-less living. He dreams of the day when he can go completely digital. No more snail mail, paper receipts, bound books, notepads/spiral notebooks, credit cards, hard currency. He's a digital warrior - fighting for the converged life. He is an idealist and a realist - he has a perfect view of what the world should be but knows that the world is not perfect. Can we ever hope to see Will's dream become reality? We'll see...
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