Taiwan’s first enclosed crushing and processing line for lithium-ion batteries is engineered to mitigate the emission of particulate matter and electrolyte solvents generated during mechanical comminution. The integrated system comprises a sequence of specialized units—including crushing, magnetic separation, particle sieving, and gravity-based density separation—to facilitate the recovery of high-purity black mass, stainless steel fragments, copper granules, and aluminum granules.

The system boasts the following cutting-edge technical features:

• Advanced Safety Controls: A proprietary inert gas protection and regulation system significantly enhances operational safety by suppressing thermal and chemical reactivity during battery crushing operations.

• Electrolyte Closed-Loop Recovery: The fully enclosed air capture and solvent condensation system enables the effective recovery of volatilized electrolytes. Once purified, these recovered solvents are ideal for reintegration into lithium-ion battery manufacturing, substantially reducing the product’s carbon footprint.

• Ultra-Low Iron Contamination: The implementation of a multi-stage magnetic separation module ensures that iron content in the recovered black mass is maintained below 1 ppm. This drastically enhances the efficiency and selectivity of downstream hydrometallurgical processing, ensuring premium-grade extracted metals.

• High-Precision Material Sorting: Gravity separation enables the sharp differentiation of copper and aluminum granules, achieving an exceptional copper recovery rate of up to 97% and an aluminum recovery rate of approximately 86%.

• Optimized Economic Feasibility: The total material recovery efficiency of the processing line exceeds 95%. The resulting products demonstrate high purity and premium market value, significantly driving the overall profitability of the recycling operation.