| Title | An overview of Hydrogen assisted (Direct) recycling of Rare earth permanent magnets |
|---|---|
| ID_Doc | 61905 |
| Authors | Burkhardt, C; van Nielen, S; Awais, M; Bartolozzi, F; Blomgren, J; Ortiz, P; Xicotencatl, MB; Degri, M; Nayebossadri, S; Walton, A |
| Title | An overview of Hydrogen assisted (Direct) recycling of Rare earth permanent magnets |
| Year | 2023 |
| Published | |
| Abstract | Rare Earths (RE) permanent magnets are essential components for Europe's successful green and digital transition However, the entire value chain of RE magnetic materials depends on imports, which are highly vulnerable in current global supply chain models. To mitigate this situation, EU Regulation plans that at least 15 % of the EU's annual consumption of permanent magnets should be covered by recycling capacities by 2030. Researchers in the EU H2020 project SUSMAGPRO consortium have shown that hydrogen can be used as a very efficient recycling method to extract NdFeB magnet powder from various EOL Components in the IP protected Hydrogen-based Processing of Magnet Scrap (HPMS). On exposure to hydrogen the sintered NdFeB magnets break down into a friable, demagnetised, hydrogenated powder containing an interstitial hydride of Nd2Fe14BHX (10 mu m) and smaller particles (<1 |
| https://doi.org/10.1016/j.jmmm.2023.171475 |
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