South Korean researchers have recovered high-purity silver from end-of-life silicon solar panels and used it to produce electrocatalysts for converting carbon dioxide into carbon monoxide. The recycled-silver electrode sustained CO production for more than 600 hours, with its rough surface helping to prevent electrolyzer flooding.
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https://www.pv-magazine.com/2026/09/25/solar-panel-waste-silver-turned-into-catalyst-for-carbon-monoxide-production/
