The global race for rare earth elements (REEs) has intensified, particularly for neodymium-praseodymium (NdPr), which is critical for manufacturing permanent magnets used in electric vehicles and other high-tech applications. As the demand for NdPr surges, questions arise about the control and processing of these vital resources once they leave the mine. The journey from extraction to end-use is fraught with geopolitical implications, especially concerning the dominance of China in the rare earth supply chain.
Lynas Rare Earths operates the Mt Weld mine in Western Australia, which is one of the largest sources of NdPr outside of China. The mine is expected to play a crucial role in supplying the United States with REEs, particularly as the U.S. seeks to reduce its reliance on Chinese imports. The U.S. Department of Defense has recognized the strategic importance of securing a stable supply of NdPr, as it is essential for the production of high-performance magnets used in military and civilian applications alike 3, 5.
Historically, the U.S. has struggled to maintain a competitive edge in the rare earth market. Up until recently, MP Materials, which operates the Mountain Pass mine in California, primarily extracted light rare earth elements and sent them to China for processing. This practice led to accusations that the company was effectively “owned” by China, as it did little to transform the U.S. from a mere miner to a refiner and producer of permanent magnets 1. The situation has prompted significant investment from the U.S. government to bolster domestic processing capabilities and reduce dependence on foreign sources.
The processing of NdPr is a critical step that occurs after extraction. While Lynas has made strides in processing its rare earths domestically, the majority of heavy rare earth processing remains under China’s control, which accounts for over 98% of global processing capabilities 5. This monopoly poses a significant risk to countries like the U.S. that are attempting to establish a self-sufficient supply chain. The U.S. Department of Energy has emphasized the importance of NdFeB magnets, which are integral to clean energy technologies, further underscoring the need for domestic processing 7.
As the demand for NdPr continues to grow, particularly in the electric vehicle sector, which is projected to account for 40% of total demand over the next decade 4, the question of who controls NdPr after it leaves the mine becomes increasingly pertinent. The supply chain is not just about extraction; it involves processing, refining, and ultimately, the production of finished products. This multi-step process is where control becomes fragmented and complex.
The geopolitical landscape adds another layer of complexity. China’s ability to leverage its processing dominance has raised alarms in Western nations, prompting them to invest billions into domestic rare earth projects. The U.S. is not alone in this endeavor; countries like Australia are also ramping up their efforts to secure a foothold in the global rare earth market. The Australian government has recognized the strategic importance of REEs and is actively supporting initiatives to enhance domestic processing capabilities 2.
However, the transition from mine to motor is not straightforward. While Australia and the U.S. are making strides in securing their own supplies, the reality remains that a significant portion of the processing infrastructure is still located in China. This creates a bottleneck in the supply chain, where even if countries can extract rare earths, they may still be reliant on Chinese processing facilities to convert these raw materials into usable components.
In conclusion, the control of NdPr after it leaves the mine is a multifaceted issue that intertwines extraction, processing, and geopolitical strategy. As countries like the U.S. and Australia work to establish a more self-sufficient supply chain, the dominance of China in the processing sector remains a significant hurdle. The future of NdPr—and the technologies that depend on it—will depend not only on mining capabilities but also on the ability to develop robust domestic processing infrastructures that can compete on a global scale. The race for rare earths is not just about mining; it is about securing a future where nations can independently harness the resources necessary for technological advancement and energy transition.
