It looks like a sheet of black paper, but actually, it's a paper-thin battery, developed by Chinese scientists from Northwestern Polytechnical University.
The paper-based electrode is made of cellulose carbon nanotubes and other active materials and is expected to be used on next-gen wearable devices and phones.
Researchers combined traditional papermaking and battery technology to create a product with excellent electrochemical properties, and that is extremely flexible and thin.
According to the research team, it will be fairly straightforward to mass produce the paper-based electrodes since the paper making industry is already firmly established.
Researchers say compared to traditional batteries, the new thin and flexible batteries will ultimately be more cost-effective, and eco-friendly.
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