Lithium-ion Batteries that Use Paper

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.

Yi Cui  said  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 paper batteries and supercapacitors can be low cost, they are also good for grid-connected energy storage."

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

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