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Battery Shredding Plant

Mechanical processing of end-of-life lithium-ion cells in a controlled, safe environment to produce black mass.

About this Solution

A battery shredding plant is the first step in the lithium battery recycling process. It mechanically reduces end-of-life cells and modules into small fragments, separates the black mass (active cathode and anode material) from the metallic casing, separator, and electrolyte, and prepares the material for downstream hydrometallurgical refining.

Key Process Features

Refnic designs battery shredding systems with a focus on safety (inert atmosphere operation to prevent thermal runaway), high black mass recovery, and effective separation of distinct material streams for maximum downstream value.

01
Discharge & Pre-sorting
Deep discharge of incoming batteries and sorting by chemistry (NMC, LFP, NCA) to optimise processing conditions.
02
Inert-Atmosphere Shredding
Mechanical shredding in nitrogen or COâ‚‚ atmosphere to prevent thermal events and electrolyte ignition.
03
Size Classification
Multi-stage screening to separate cathode/anode powder (black mass) from copper foil, aluminium foil, and casing materials.
04
Thermal Treatment (optional)
Low-temperature calcination to remove residual binder and electrolyte from black mass.
05
Black Mass Packaging
Assay-certified black mass packaged for direct sale or transfer to Blackmass Refining Plant.

Design Capacity Range

Refnic offers shredding plant designs from 500 MT/year (MSME-scale) to 20,000 MT/year (commercial-scale), with modular configurations available for phased capacity expansion.