Applications of Rare Earth Elements

Rare Earth Elements (REEs) – a group of 17 metallic elements crucial to modern technology – are quietly shaping the geopolitical landscape. From the smartphones in our pockets to the advanced defense systems protecting nations, these elements are indispensable. And at the heart of their global supply lies China, wielding an almost unparalleled dominance that has far-reaching economic, environmental, and strategic consequences.

What are Rare Earths and Why Do They Matter?
Often misunderstood as truly “rare” in geological terms, REEs are relatively abundant in the Earth’s crust. However, it is their concentrated and economically viable extraction and processing that makes them uncommon. These elements possess unique magnetic, catalytic, and luminescent properties, making them vital for:

Consumer Electronics: Smartphones, laptops, televisions, cameras (e.g., Neodymium for magnets, Europium for displays).
Renewable Energy: Wind turbines, electric vehicles (EVs) (e.g., Neodymium, Praseodymium, Dysprosium for powerful permanent magnets).
Defence Technology: Missile guidance systems, precision-guided munitions, stealth technology, communication systems (e.g., Samarium, Gadolinium, Terbium).
Medical Imaging: MRI machines (e.g., Gadolinium).
Catalysts: Petroleum refining (e.g., Cerium, Lanthanum).
Their economic importance extends beyond raw material value, underpinning numerous downstream industries that contribute significantly to global GDP and technological advancement.

China’s Dominance: A Strategic Masterstroke
China’s journey to rare earth supremacy began in the 1980s, driven by strategic vision, as encapsulated by Deng Xiaoping’s famous remark: “The Middle East has oil, China has rare earths.” This foresight, combined with a unique geological advantage and strategic vertical integration, allowed China to cultivate a near-monopoly.

Geological Fortune: China possesses the world’s largest proven rare earth reserves, particularly rich in both light rare earths (in the North) and heavy rare earths (in the South). The discovery of easily explorable and processable ion-adsorption clay deposits significantly reduced extraction costs.
Processing Prowess: Beyond mining, China invested heavily in developing sophisticated downstream processing capabilities. Today, almost 90% of global rare earth processing is done in China, a testament to decades of technological advancement and expertise. This refining ability, backed by its massive reserves, gives China a formidable advantage.
Financial Leverage and Export Controls: China has utilized its market control through financial dominance and, at times, strategic export controls. The 2010 ban on rare earth exports to Japan, and more recent restrictions on certain REEs and magnets in response to trade tensions, demonstrate China’s willingness to “weaponize” these critical minerals.
Environmental and Geopolitical Implications

China’s rare earth dominance comes with significant environmental and geopolitical ramifications:

Environmental Impact: Rare earth mining and processing are notoriously environmentally intensive. The extraction process, particularly “in situ leaching” from ion-adsorption clays, can lead to severe soil erosion, water contamination, and air pollution, impacting ecosystems and local communities. While China has taken steps to regulate its industry, the legacy of past practices remains a concern.
Global Supply Chain Vulnerability: The heavy reliance on a single nation for such vital materials creates significant supply chain vulnerabilities. Disruptions, whether due to geopolitical tensions, natural disasters, or policy changes, can cripple industries globally, inflate costs, and delay technological advancements.
Geopolitical Leverage: China’s control over rare earths provides it with considerable geopolitical leverage. This has prompted other nations, including the US, EU, Japan, and India, to classify REEs as “critical materials” essential for national security and to actively seek diversification of their supply chains.
The Global Response: Diversification and Innovation
In response to China’s dominance and the inherent risks, a global push for diversification and innovation is underway:

New Discoveries and Mining Projects: Countries like Australia, the US, and even emerging players like Kazakhstan are investing in new rare earth deposits and mining projects. However, developing functioning mines is a lengthy and capital-intensive process, often taking years due to legal, environmental, and practical hurdles.
Processing and Refining Capabilities: The “midstream” of the rare earth supply chain – processing and refining – is a major gap outside China. Efforts are being made to establish new refining facilities and develop advanced separation technologies.
International Collaborations: Nations are forming strategic partnerships, such as the US-initiated Minerals Security Partnership (MSP), and bilateral agreements to secure alternative supply routes and co-invest in rare earth projects.
Recycling and Substitution: While currently a small contributor (around 1% of supply), recycling of REEs from electronic waste and end-of-life products holds significant potential. Research into rare-earth-free alternatives for certain applications is also ongoing, though direct substitutes often struggle to match the performance of REE-based components.
Strategic Stockpiles: Some nations are considering creating strategic reserves of rare earth elements to buffer against potential supply disruptions.

Future Outlook
The global rare earth market is poised for significant growth, driven by the accelerating demand for clean energy technologies and advanced electronics. While China is expected to remain a dominant player for the foreseeable future, the concerted efforts to diversify supply chains and foster innovation are likely to gradually shift the balance. The long-term goal for many nations is to build more resilient and sustainable rare earth ecosystems, reducing their dependence on a single source and mitigating geopolitical risks. This will require substantial investment, technological advancements, and sustained international cooperation.

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Experts predict that customers who are eagerly awaiting car deliveries during the holiday season this year might face disappointment. This is primarily due to companies reducing production as a result of chip shortages, which in turn has led to significant delays in car delivery times. Furthermore, there is an expectation that the cost of automobiles could potentially increase in the months ahead.

Over the past few months, a number of well-known car manufacturers such as Maruti Suzuki, Hyundai, Mahindra, and Toyota have increased their prices. These companies claim that the price hikes are a result of cost overruns. Additionally, there is a shortage of semiconductors, which has led to higher costs for the automobile industry. Regrettably, the festive spirit might be dampened as we anticipate delays in deliveries during the months of November and December. Customers who are eagerly awaiting their cars may have to wait a few more months.

The delay in deliveries will persist until 2023, when the chip supply returns to normal. Maruti Suzuki, the country’s largest car manufacturer, has scaled back the production of passenger cars. Additionally, the company has witnessed a decrease in car sales in September 2021. Regrettably, October does not hold any prospects for improvement, and this is also identified as the primary factor behind the chip shortage.

Experts predict a decrease in car sales during November and December. Many customers who intended to purchase a car this year might delay their plans until the following year. Additionally, it is anticipated that car companies will not provide enticing discounts during festive seasons this year. The report reveals that prominent figures from Mercedes, Toyota, BMW, Volkswagen, and other companies have expressed their belief that semiconductor shortages will continue until 2023.

The semiconductor industry’s inability to catch up with the return to normalcy has resulted in losses for automobile companies. Numerous car selling companies, including Maruti Suzuki and Hyundai, experienced a decline in sales during September. Maruti’s sales plummeted by 57 percent, while Hyundai’s sales dropped by 34 percent. Consequently, the market share of these two companies has also decreased to 34 percent and 17.80 percent respectively.

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