The Strategic Importance of Critical Minerals in Clean Energy

Introduction

Critical minerals are the unsung heroes of the modern technological landscape, forming the bedrock upon which advanced technologies and sustainable energy solutions are built. These elements and compounds, characterised by their essentiality in various applications and vulnerability to supply disruptions, are indispensable for economic growth, national defence, and the overall functioning of modern society. The increasing demand for these resources necessitates a comprehensive understanding of their geological distribution, extraction processes, and geopolitical implications. The global transition towards clean energy systems has amplified the importance of critical minerals, as they constitute essential building blocks for renewable energy technologies, electric vehicles, and energy storage solutions. These minerals are not merely commodities; they are strategic assets that determine the pace and direction of the global energy transition. The reliability and resilience of global supply chains of these materials are paramount, considering the potential for bottlenecks, trade restrictions, and geopolitical tensions that could impede the widespread adoption of clean energy. Securing access to these minerals is thus a strategic imperative for nations seeking to enhance their energy security, promote economic competitiveness, and achieve climate neutrality.

The shift from fossil fuels to low-carbon alternatives is a pivotal strategy in mitigating energy-related carbon dioxide emissions, which constitute a significant portion of overall greenhouse gas emissions. However, this transition is intrinsically linked to a substantial surge in the demand for critical minerals, which are indispensable for the manufacturing and deployment of clean energy technologies. Electric vehicles, for instance, rely heavily on lithium, cobalt, nickel, and graphite for their batteries, while rare earth elements are essential for the production of high-efficiency magnets used in wind turbines and electric motors. Solar photovoltaic cells require materials such as tellurium, gallium, and indium, while energy storage systems depend on a variety of minerals, including lithium, vanadium, and manganese. This dependence creates new vulnerabilities and challenges related to the availability, affordability, and sustainability of these resources.

The energy sector's influence on economic growth, industrial development, and household needs is undeniable. The convergence of clean energy transitions and critical mineral supply chains has become a focal point for governments, industries, and researchers worldwide, driving innovation in material science, mining technologies, and recycling processes. Addressing the challenges associated with critical mineral supply chains requires a multifaceted approach, encompassing technological advancements, policy interventions, international cooperation, and responsible sourcing practices. Mitigating environmental and energy concerns has become a strong impetus, particularly in light of intensifying material demand, market dynamics, and geopolitical rivalries. This calls for a comprehensive understanding of the intricate web of factors that influence the availability, accessibility, and sustainability of critical minerals in the context of the global energy transition.

Overview of Critical Minerals

Critical minerals are defined not only by their essential role in various applications but also by their high supply risk, stemming from geological scarcity, geopolitical factors, trade policies, or other constraints. These minerals are indispensable for manufacturing a wide array of products, ranging from consumer electronics and medical devices to aerospace components and defense systems. The criticality of a mineral can vary depending on the specific application, technological advancements, and geopolitical landscape. Lithium, for example, is crucial for the production of lithium-ion batteries, which power electric vehicles, smartphones, and other portable devices. Similarly, rare earth elements, such as neodymium and dysprosium, are vital for manufacturing high-strength magnets used in wind turbines, electric motors, and medical imaging equipment.

Cobalt is another critical mineral used in lithium-ion batteries to improve energy density and stability, while graphite is used as an anode material in the same batteries. The supply of critical minerals is often concentrated in a few countries, making global supply chains vulnerable to disruptions caused by political instability, trade disputes, or natural disasters. China, for instance, dominates the production and processing of rare earth elements, while the Democratic Republic of Congo is the primary source of cobalt.

The increasing demand for critical minerals in clean energy technologies has led to concerns about potential shortages, price volatility, and environmental impacts associated with their extraction and processing. These concerns underscore the need for proactive strategies to secure reliable and sustainable supplies of critical minerals, including diversification of supply sources, investment in recycling technologies, and development of alternative materials. It is also crucial to note the rapid growth of energy transition minerals, which now rival the market size of iron ore mining, signalling a significant shift in the mining and metals industry.

Source: IEA

Role of Critical Minerals in Clean Energy Transition

The clean energy transition is characterized by a fundamental shift away from fossil fuels towards renewable energy sources, electrification of transportation, and enhanced energy efficiency. Critical minerals are the bedrock of this transition, enabling the widespread deployment of clean energy technologies and playing a pivotal role in decarbonising the global economy. Electric vehicles are a prime example of how critical minerals are driving the clean energy transition. Lithium-ion batteries, which power these vehicles, rely on lithium, nickel, cobalt, manganese, and graphite to store and release electrical energy.

Rare earth elements are essential components of the permanent magnets used in wind turbine generators, which convert wind energy into electricity. Similarly, solar photovoltaic cells require materials such as silicon, tellurium, gallium, and indium to convert sunlight into electricity. The demand for critical minerals in clean energy applications is projected to increase exponentially in the coming decades, driven by ambitious climate goals and policy support for renewable energy and electric vehicles. The share of renewable energy in the total primary energy supply is expected to rise significantly. This surge in demand underscores the importance of securing reliable and sustainable supplies of critical minerals to ensure the smooth and affordable deployment of clean energy technologies. Also, mineral exploration may be a key component of the green transition.

The rising adoption of electric vehicles, green energy transitions, and advancements in smart and hybrid high-tech devices have brought rare earth elements to the forefront as essential and critical raw materials.

Importance of Securing Global Supply Chains

Securing global supply chains for critical minerals is paramount to ensuring a stable and sustainable energy transition, mitigating economic risks, and fostering geopolitical stability Over-reliance on a limited number of suppliers can expose countries and industries to supply disruptions, price volatility, and potential coercion. Diversifying supply sources is crucial to reducing dependence on any single country or region. This can be achieved through strategic partnerships with a broader range of mineral-producing countries, investment in domestic mining and processing capabilities, and promotion of responsible sourcing practices.

Recycling of materials from lithium-ion batteries is another important avenue for securing critical mineral supplies and reducing environmental impacts. Encouraging the development and adoption of alternative materials and technologies can also help to reduce demand for certain critical minerals. International cooperation is essential to addressing the challenges of critical mineral supply chains.

Collaborative efforts can promote transparency, share best practices, and develop common standards for responsible mining and sourcing. Governments, industry, and civil society must work together to ensure that the extraction and processing of critical minerals are conducted in an environmentally and socially responsible manner, protecting human rights and minimizing environmental damage. Furthermore, infrastructure will be needed to integrate technologies, including smart charging networks for electric vehicles, new low-losses cross-border electricity interconnections, and super high-voltage transmission lines.

The European Union has proposed policies within their Circular Economy Action Plan to promote competitive sustainability and are necessary for green transport, clean energy, and to achieve climate neutrality by 2050.

The Role of Critical Minerals in Electric Vehicles

Electric vehicles are at the forefront of the clean energy transition, offering a pathway to reduce greenhouse gas emissions from the transportation sector.

The lithium-ion batteries that power EVs require a range of critical minerals, including lithium, nickel, cobalt, manganese, and graphite. The amounts of these minerals needed vary depending on the battery chemistry and vehicle type, but the overall demand is substantial and growing rapidly. Current projections estimate that hundreds of millions of electric vehicles will be on the road by 2050, and this ever‐growing demand threatens to deplete global cobalt reserves at an alarming rate.

The batteries make up approximately 40% of the total vehicle cost, and the cathode materials, such as nickel-manganese-cobalt, account for approximately 50% of the battery materials cost. The ongoing shift from internal combustion engine vehicles to electric vehicles is causing a surge in demand for minerals like lithium, nickel, cobalt, and graphite, which are essential for battery production.

Modern EVs may also use significant amounts of carbon fiber and other lightweight materials in their structures as well as in other components, such as carbon fiber wrapped metal hydrogen storage tanks for FCVs. These materials can significantly reduce the weight of an EV, which enables it to either go farther on the same amount of energy or go the same distance with less energy.

Renewable Energy Technologies: Solar, Wind, and Storage

Source: British Geological Survey

Solar, wind, and energy storage technologies are essential components of a decarbonized energy system. Critical minerals play a crucial role in these technologies, enabling efficient energy generation, transmission, and storage.

Solar photovoltaic cells rely on materials such as silicon, tellurium, gallium, and indium. Wind turbines require neodymium, dysprosium, and praseodymium for their magnets, which are essential for efficient energy conversion. Energy storage systems, particularly batteries, depend on lithium, nickel, cobalt, manganese, and graphite. The extraction of these materials can have detrimental impacts on the environment, including habitat destruction, water pollution, and greenhouse gas emissions. As renewable energy deployment accelerates, demand for these minerals will continue to rise, further straining supply chains. The expansion of renewable energy capacity, including solar, wind, and energy storage, is significantly increasing the demand for critical minerals such as lithium, cobalt, nickel, and rare earth elements.

Electrification emerges as a key area that offers synergies between efficiency and renewables as well as for coupling sectors. In total 222 EJ renewable energy is deployed in final energy terms and the power sector accounts for 58%.

Impact on Energy Transition Goals and Emission Reduction

The availability of critical minerals is essential for achieving global energy transition goals and reducing greenhouse gas emissions.

Clean energy technologies, such as electric vehicles, solar panels, and wind turbines, rely on these materials to function effectively. However, supply chain disruptions, price volatility, and geopolitical risks could hinder the deployment of these technologies and slow down the pace of the energy transition.

Source: World Economic Forum

As certain technologies become more prominent, it becomes easier to identify what materials will be needed in the near term. For example, since lithium-ion batteries are the dominant storage technology for both grid and mobile applications, lithium, nickel, cobalt, manganese, and graphite are materials of particular interest. To ensure a smooth and sustainable energy transition, governments and industry must work together to secure reliable and responsible sources of critical minerals and the Paris Agreement necessitates a shift from fossil fuels to green energy networks.

The increasing demand for traditional mineral resources will likely continue unabated as developing countries modernize and the transition from fossil fuels to renewable energy sources ramps up. However, the transition will require vast quantities of new critical and strategic minerals. To overcome constraints, measures consisting of improving recycling rates from 0.1% to 4.6% per year could avoid material shortages or restrictions in green technologies.

Conclusion

In conclusion, the increasing demand for critical minerals, driven by the growth of clean energy technologies and electrification, is placing immense pressure on existing supply chains. This raises concerns about potential shortages, price volatility, and geopolitical risks. To ensure a smooth and sustainable energy transition, governments and industry must collaborate to secure reliable and responsible sources of these materials. Strategies include incentivizing transparency, expanding and diversifying supplies, promoting recycling, and supporting technological innovation to minimize the use of critical materials. Policymakers must also consider the environmental and social impacts of extraction and processing, and promote energy efficiency to reduce overall demand. Ultimately, addressing these challenges is essential for achieving global energy transition goals and mitigating climate change. The transition from fossil fuels to green energy networks to achieve net zero economy by 2050, the oil and gas sector is facing various transition risks like increased social pressure and market and legal risks. These transitions require the creation of the right policy signals that will strengthen support for innovation and technology. It is imperative that these aspects be addressed to facilitate an effective and sustainable energy transition and, consequently, the attainment of global climate objectives.

References

• Ali, S. H., Perrons, R. K., Toledano, P., & Maennling, N. (2019). A model for "smart" mineral enterprise development for spurring investment in climate change mitigation technology. Energy Research & Social Science, 58, 101282.
• As, A. V., & Wood, D. (2023). Future of Mining and Geology: Increase in the Use of Cave Mining Methods to Extract Ore Over the Next 30 Years. SEG Discovery, 132, 25.
• Calderon, J. L., Bazilian, M., Sovacool, B. K., Hund, K. L., Jowitt, S. M., Nguyen, T., Månberger, A., Kah, M., Greene, S., Galeazzi, C., Awuah-Offei, K., Moats, M. S., Tilton, J. C., & Kukoda, S. (2020). Reviewing the material and metal security of low-carbon energy transitions. Renewable and Sustainable Energy Reviews, 124, 109789.
• Chayambuka, K., Mulder, G., Danilov, D. L., & Notten, P. H. L. (2020). From Li‐Ion Batteries toward Na‐Ion Chemistries: Challenges and Opportunities. Advanced Energy Materials, 10(38).
• Chudy--Laskowska, K., & Rokita, S. (2024). Profitability of Energy Sector Companies in Poland: Do Internal Factors Matter? Energies, 17(20), 5135.
• Codet, M., & Selosse, S. (2024). Critical materials for the energy transition.
• Corrigan, C. C., & Ikonnikova, S. (2024). A review of the use of AI in the mining industry: Insights and ethical considerations for multi-objective optimization. The Extractive Industries and Society, 17, 101440. Elsevier BV.
• Critical materials. (2021). https://www.irena.org/Energy-Transition/Technology/Critical-materials
• Critical mineral resources of the United States---Economic and environmental geology and prospects for future supply. (2017). USGS Professional Paper.
• Critical Minerals Market Review 2023. (2023).
• Eggert, R. G. (2017). Materials, critical materials and clean-energy technologies. EPJ Web of Conferences, 148, 3.
• Gardiner, N. J., Jowitt, S. M., & Sykes, J. P. (2024). Lithium: critical, or not so critical? Geoenergy, 2(1).
• Ghorbani, Y., Zhang, S. E., Bourdeau, J. E., Chipangamate, N., Rose, D. H., Valodia, I., & Nwaila, G. T. (2024). The strategic role of lithium in the green energy transition: Towards an OPEC-style framework for green energy-mineral exporting countries (GEMEC). Resources Policy, 90, 104737.
• Gielen, D., Boshell, F., Saygin, D., Bazilian, M., Wagner, N., & Gorini, R. (2019). The role of renewable energy in the global energy transformation. Energy Strategy Reviews, 24, 38.
• Graham, J. D., Rupp, J. A., & Brungard, E. (2021). Lithium in the Green Energy Transition: The Quest for Both Sustainability and Security. Sustainability, 13(20), 11274.
• Huber, S. T., & Steininger, K. W. (2022). Critical sustainability issues in the production of wind and solar electricity generation as well as storage facilities and possible solutions. Journal of Cleaner Production, 339, 130720.
• Is the world replacing oil dependency with critical minerals? (2024). https://www.weforum.org/stories/2024/04/critical-minerals-dependency-supply-geopolitics/
• Jones, B., Elliott, R., & Nguyen‐Tien, V. (2020). The EV revolution: The road ahead for critical raw materials demand. Applied Energy, 280, 115072.
• Kamran, M., Raugei, M., & Hutchinson, A. R. (2021). A dynamic material flow analysis of lithium-ion battery metals for electric vehicles and grid storage in the UK: Assessing the impact of shared mobility and end-of-life strategies. Resources Conservation and Recycling, 167, 105412.
• Ku, A. Y., Kócs, E., Fujita, Y., Haddad, A. Z., & Gray, R. W. (2024). Materials scarcity during the clean energy transition: Myths, challenges, and opportunities. MRS Energy & Sustainability, 11(1), 173.
• Lipman, T., & Maier, P. (2021). Advanced materials supply considerations for electric vehicle applications. MRS Bulletin, 46(12), 1164.
• Meegoda, J. N., Charbel, G., & Watts, D. (2024). Sustainable Management of Rechargeable Batteries Used in Electric Vehicles. Batteries, 10(5), 167.
• Mertens, J., Dewulf, J., Breyer, C., Belmans, R., Gendron, C., Geoffron, P., Goossens, L., Fischer, C., Fornel, E. D., Hayhoe, K., Hirose, K., Cadre-Loret, E. L., Lester, R. K., Maigné, F., Maïtournam, H., Miranda, P., Verwee, P., Sala, O., Webber, M. E., & Debackere, K. (2024). From emissions to resources: mitigating the critical raw material supply chain vulnerability of renewable energy technologies. Mineral Economics, 37(3), 669.
• Mondal, A., & Bauri, S. (2024). The impact of climate transition risk on firms' value -- evidence from select Indian-listed companies. Asian Journal of Accounting Research, 9(3), 257.
• Muralidharan, N., Self, E. C., Dixit, M., Du, Z., Essehli, R., Amin, R., Nanda, J., & Belharouak, I. (2022). Next‐Generation Cobalt‐Free Cathodes -- A Prospective Solution to the Battery Industry's Cobalt Problem. Advanced Energy Materials, 12(9).
• Murdock, B., Toghill, K. E., & Tapia‐Ruiz, N. (2021). A Perspective on the Sustainability of Cathode Materials used in Lithium‐Ion Batteries. Advanced Energy Materials, 11(39).
• Niri, A. J., Poelzer, G., Zhang, S. E., Rosenkranz, J., Pettersson, M., & Ghorbani, Y. (2023). Sustainability challenges throughout the electric vehicle battery value chain. Renewable and Sustainable Energy Reviews, 191, 114176.
• Office, R. E. (2020). Resources 2019 Best Paper Awards. Resources, 9(7), 86.
• Patil, A. B., Struis, R. P. W. J., & Ludwig, C. (2022). Opportunities in Critical Rare Earth Metal Recycling Value Chains for Economic Growth with Sustainable Technological Innovations. Circular Economy and Sustainability, 3(2), 1127.
• Secretariat, e-A. J. (2024). GUIDELINE GUIDELINE e-Asia 14th Call for Proposal.
• Sovacool, B. K., Ali, S. H., Bazilian, M., Radley, B., Nemery, B., Okatz, J., & Mulvaney, D. (2020). Sustainable minerals and metals for a low-carbon future. Science, 367(6473), 30.
• The Role of Critical Minerals in Clean Energy Transitions. (2021). In OECD eBooks. Organization for Economic Cooperation and Development.
• Valero, A., Valero, A., Calvo, G., & Ortego, A. (2018). Material bottlenecks in the future development of green technologies. Renewable and Sustainable Energy Reviews, 93, 178.
• Wang, M., Chen, L., Liu, M., Chen, Y., & Gu, Y. (2020). Enhanced electrochemical performance of La-doped Li-rich layered cathode material. Journal of Alloys and Compounds, 848, 156620.
• Wårell, L. (2021). Mineral Deposits Safeguarding and Land Use Planning---The Importance of Creating Shared Value. Resources, 10(4), 33.
• Zhu, Q., Sarkis, J., & Lai, K. (2011). Green supply chain management innovation diffusion and its relationship to organizational improvement: An ecological modernization perspective. Journal of Engineering and Technology Management, 29(1), 168.