Table 3 Summary of the green score criteria and process comparison.
From: Lithium-ion battery recycling—a review of the material supply and policy infrastructure
Process | Complexity | Waste generation | Power consumption | Green score |
---|---|---|---|---|
Pyrometallurgy | 8 | 6 | 5 | 19 |
Hydrometallurgy | 6 | 7 | 7 | 20 |
Direct recycling* | 7 | 8 | 8 | 23 |