Researchers have made a paper-based battery that they think can help clean up the waste stream of single-use disposable batteries.
Digital disruption and rapidly changing technology made the development of a biodegradable battery especially timely, Dr Nystrom said.
"We also see increasing use of single-use electronics and evidence of poor recycle-ability of these devices, which leads to ever-increasing amounts of electronic waste." "You can pick up the battery just using your fingers without any gloves, which is very safe compared to other batteries."To create the battery, the researchers started with a strip of paper that had been immersed in saltwater and left to dry.
Both sides were then printed over with ink containing graphite flakes and carbon black — a powder similar to soot leftover from the partial combustion of, for instance,The paper is steeped in saltwater and printed with conducting inks.
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