Print, Recycle, Repeat: Scientists Demonstrate a Biodegradable Printed Circuit

Berkeley Lab’s Ting Xu led the development of a fully recyclable and biode
Berkeley Lab’s Ting Xu led the development of a fully recyclable and biodegradable printed circuit. The advance could divert wearable devices and other flexible electronics from landfill, and mitigate the health and environmental hazards posed by heavy metal waste. (Credit: Thor Swift/Berkeley Lab)
Breakthrough could divert wearable devices and other flexible electronics from landfill. Berkeley Lab's Ting Xu led the development of a fully recyclable and biodegradable printed circuit. The advance could divert wearable devices and other flexible electronics from landfill, and mitigate the health and environmental hazards posed by heavy metal waste. (Credit: Thor Swift/Berkeley Lab) According to the United Nations, less than a quarter of all U.S. electronic waste gets recycled. In 2021 alone, global e-waste surged at 57.4 million tons , and only 17.4% of that was recycled. Some experts predict that our e-waste problem will only get worse over time, because most electronics on the market today are designed for portability, not recyclability. Tablets and readers, for example, are assembled by gluing circuits, chips, and hard drives to thin layers of plastic, which must be melted to extract precious metals like copper and gold.
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