Recycling, Substitution, and the Future of Magnets: Can the West Reduce Rare Earth Dependence?

Highlights

• A 2026 study shows that recycling neodymium-iron-boron magnets and substituting them with ferrite alternatives could reduce rare earth magnet demand by up to 40% in mobility applications over the next decade.
• Hydrometallurgical recycling processes are emerging as the most scalable method for recovering rare earth elements at high purity, though economic viability at commercial scale remains uncertain.
• The study presents a hybrid strategy to reduce China's supply chain dominance: prioritize recycling, substitute ferrites where performance permits, and reserve rare-earth magnets for applications that require their superior properties.

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A 2026 study in the Journal of Environmental Chemical Engineering, led by Alessia Amato (opens in a new tab) as well as corresponding author Giulia Merli (opens in a new tab), both at Università Politecnica delle Marche, Ancona, Italy and colleagues across European research institutions, delivers a clear message: the future of permanent magnets—and by extension electric vehicles, wind power, and modern electronics—will depend not just on mining more rare earths, but on recycling smarter and substituting strategically. The team finds that improving recycling of neodymium-iron-boron (NdFeB) magnets and partially replacing them with ferrite (rare-earth-free) alternatives could cut demand for rare earth magnets by up to 40% in key mobility applications over the next decade, reducing reliance on China-dominated supply chains while lowering environmental impact.

Alessia Amato, Università Politecnica delle Marche

Source: LinkedIn

Study Methods

The researchers combined three approaches: a review of scientific literature, analysis of global patents (2021–2025), and a material flow analysis (MFA) tracking magnet use in Europe across applications like e-bikes, e-cars, and industrial pumps. They examined recycling technologies—including high-temperature (pyrometallurgical) and chemical (hydrometallurgical) methods—alongside emerging techniques such as electrochemical recovery and bioleaching. They also modeled scenarios where rare-earth magnets are partially replaced with ferrite alternatives.

Key Findings

Recycling is advancing, but unevenly. NdFeB magnet recycling is a major focus globally, with hydrometallurgical processes emerging as the most scalable and environmentally favorable. These methods can recover rare earth elements at high purity, though they still rely heavily on chemicals.

 At the same time, substitution is gaining traction. Ferrite magnets—cheaper and more abundant—can replace rare-earth magnets in certain applications. The study estimates that substitution could reduce rare earth magnet demand by ~40% in select sectors over 10 years, equivalent to roughly 3,400 tons (about 20% of projected European demand). However, performance trade-offs remain, especially in high-performance uses like electric vehicles.

Limitations

The substitution scenarios rely partly on industry surveys and assumptions rather than full commercial deployment. Recycling technologies, while promising, are not yet widely scaled, and economic viability remains uncertain—especially for lower-value materials like ferrites.

Implications

This study highlights a strategic pivot: the future of rare earth supply chains will be shaped as much by recycling and substitution as by mining. For Europe and the U.S., this means reducing exposure to China’s dominance (up to ~99% in refining) through circular economy strategies.

But trade-offs are unavoidable. Substitution may increase product size or reduce performance. Recycling, meanwhile, introduces cost and processing challenges.

Conclusion

There is no single solution. The path forward is a hybrid strategy—recycle more, substitute where possible, and reserve rare earth magnets for applications that truly require them. For investors and policymakers, the message is clear: the next phase of the energy transition will be defined by material efficiency, not just material supply.

Citation: Amato, A., et al. (2026). End-of-life permanent magnet recycling: State of the art and material flow analysis in the framework of potential substitution of RE-based magnets with ferrites. Journal of Environmental Chemical Engineering.