These advanced solar cells have an antique source: old bullets
Nature, Published online: 01 April 2026; doi:10.1038/d41586-026-01001-0Lead recycled from centuries-old ammunition provides raw materials for perovskite solar cells.

Source: www.nature.com
Nature, Published online: 01 April 2026; doi:10.1038/d41586-026-01001-0Lead recycled from centuries-old ammunition provides raw materials for perovskite solar cells.