New Battery Technology - Scientists say paper battery could be in the works - RC Groups
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Dec 08, 2009, 07:36 AM
Slow Flyer
Bombay's Avatar

New Battery Technology - Scientists say paper battery could be in the works

Pretty interesting... Future lightweight R/C applications?

Mon Dec 7, 4:28 pm ET
WASHINGTON (Reuters) Ordinary paper could one day be used as a lightweight battery to power the devices that are now enabling the printed word to be eclipsed by e-mail, e-books and online news.

Scientists at Stanford University in California reported on Monday they have successfully turned paper coated with ink made of silver and carbon nanomaterials into a "paper battery" that holds promise for new types of lightweight, high-performance energy storage.

The same feature that helps ink adhere to paper allows it to hold onto the single-walled carbon nanotubes and silver nanowire films. Earlier research found that silicon nanowires could be used to make batteries 10 times as powerful as lithium-ion batteries now used to power devices such as laplop computers.

"Taking advantage of the mature paper technology, low cost, light and high-performance energy-storage are realized by using conductive paper as current collectors and electrodes," the scientists said in research published in the Proceedings of the National Academy of Sciences.

This type of battery could be useful in powering electric or hybrid vehicles, would make electronics lighter weight and longer lasting, and might even lead someday to paper electronics, the scientists said. Battery weight and life have been an obstacle to commercial viability of electric-powered cars and trucks.

"Society really needs a low-cost, high-performance energy storage device, such as batteries and simple supercapacitors," Stanford assistant professor of materials science and engineering and paper co-author Yi Cui said.

Cui said in an e-mail that in addition to being useful for portable electronics and wearable electronics, "Our paper supercapacitors can be used for all kinds of applications that require instant high power."

"Since our paper batteries and supercapacitors can be very low cost, they are also good for grid-connected energy storage," he said.

Peidong Yang, professor of chemistry at the University of California-Berkeley, said the technology could be commercialized within a short time.

(Writing by Jackie Frank; Editing by Cynthia Osterman)
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Dec 08, 2009, 08:09 AM
Bombs away! Err...landing
Ira NZ's Avatar
Next people will be needing a sticky, "Book explosions are real!" and people will be talking about how they have to read their books outside in fireproof containers...
Dec 08, 2009, 09:10 AM
Lori, hey, you're home early
CarreraGTSCS's Avatar
Bombay-- Just read that article this morning. Ten times the power of lithium at paper weight. We'll have to go back to using lead to balance the planes instead of shifting the battery packs. Very exciting news.
Dec 08, 2009, 09:30 AM
Registered User
1- paper is already used in capacitor to store energy... nothing new, just great improvement on the way

2- paperweight... when spoken aboot books, become something incredibly heavy, most moving companies have smaller box designated for packing books in order to avoid dangerous weight.

So let's hope... but it's not something out of the blue...
Dec 08, 2009, 10:58 AM
Registered User
earlwb's Avatar
Yes, paper was used in the early capacitors called condensors at the time.
They used to make a pretty good messy pile of confetti like stuff when they blew up too.
I look forward to these becoming available in the future. But we don't want to hold our breaths waiting though.
Dec 08, 2009, 11:18 AM
Registered User

LIFEPO4 was going to save cars ?

Wall Street ALWAYS is looking for greedy suckers to invest in a good sounding rumor.
Dec 08, 2009, 11:20 AM
Travelling into the future
Xoltri's Avatar
Always be skeptical of these new technology announcements until you can buy the product in the store.
Dec 08, 2009, 11:25 AM
Registered User
I am with you Xoltri.
Dec 08, 2009, 01:42 PM
Registered User
Well, but what happened to this company?
Dec 09, 2009, 06:34 AM
7000mw of raw power!
rich smith's Avatar
Originally Posted by earlwb
I look forward to these becoming available in the future. But we don't want to hold our breaths waiting though.
Sometimes the new technology IS real. My NiZn AA cells came in and they are performing way beyond my expectations.
Dec 09, 2009, 08:04 AM
Lori, hey, you're home early
CarreraGTSCS's Avatar
Originally Posted by cyclops2
Wall Street ALWAYS is looking for greedy suckers to invest in a good sounding rumor.

Man, lots of "nay-saying" going on. It's just a research announcement. It'll either work or it won't and at the very least it might provide another researcher a stepping stone to something that will. Lipos are fine for now but there's always some improvement down the road.

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