This battery is powered by bacteria

Researchers at Binghamton University in New York have created a “bacteria-powered battery on a single sheet of paper.” The project is aimed at creating batteries for disposable microelectronics that can run for weeks using a little bacteria-rich liquid.

“The manufacturing technique reduces fabrication time and cost, and the design could revolutionize the use of bio-batteries as a power source in remote, dangerous and resource-limited areas,” write the researchers.

The researchers used a piece of chromatography paper and a ribbon of silver nitrate under a layer of wax. The anode was made of “a conductive polymer on the other half of the paper” and a reservoir held bacteria-rich liquid. The cellular respiration powered the battery.

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