Lithium-ion batteries pose fire risks and recycling opportunities

The increasing presence of lithium-ion batteries in general waste is creating significant safety hazards for waste management systems. When batteries are crushed or punctured during collection or processing, they can trigger “thermal runaway,” leading to intense and difficult-to-control fires. Recent incidents in Australia, the United Kingdom, and South Korea highlight this growing risk. In Sydney, New South Wales, authorities have recorded hundreds of lithium-ion related incidents, including multiple garbage truck fires, prompting the “Never Bin A Battery” campaign to encourage proper disposal.

Simultaneously, the end-of-life battery market is emerging as a critical “secondary mine” for essential minerals like lithium, nickel, cobalt, copper, and aluminum. The International Energy Agency (IEA) predicts that the secondary supply of key energy minerals could double by 2040. However, the industry faces complex logistics challenges due to the heterogeneous nature of batteries and the varying levels of danger posed by damaged or unknown units.

Global regulatory frameworks are tightening to manage this transition. The European Union has set ambitious recycling efficiency targets, requiring lithium recycling rates to reach 65% by the end of 2025 and 70% by 2030. While China currently dominates the global market with approximately 90% of material recovery capacity, the global industry is shifting toward more structured collection, sorting, and safe transport to secure mineral supplies.