联合国贸易发展委员会-电池化学成分的变化及其对关键矿物供应链的影响（英）-2025_47页_2mb

Battery Chemistry Evolution and Mineral Supply Chain Analysis

Overview

This report examines the rapid advancements in battery technologies and their implications for critical minerals. Key themes include enhancing energy storage for clean energy transitions, addressing mineral supply challenges, and outlining policy measures for sustainability.

Key Technologies and Impacts

Battery Chemistry Developments

• Lithium-ion (LIB): Dominates the market with high energy density and efficiency, but faces issues like safety risks (thermal runaway), resource scarcity, and environmental concerns from extraction and disposal.
• Emerging Alternatives:
  • Metal-ion batteries: Use abundant materials like sodium or magnesium, offering lower costs and reduced reliance on critical minerals such as cobalt.
  • Metal-air batteries: High energy density and lower environmental impact, suitable for EVs and grid storage.
  • Solid-state batteries: Higher safety (flame resistance), longer cycle life, but high manufacturing costs and technical scaling challenges.
  • Flow batteries: Ideal for long-duration grid storage due to scalability and reusability, with environmental benefits using non-toxic electrolytes.

Mineral Demand Shifts

Patient demand for critical minerals (e.g., lithium, cobalt, nickel) is increasing, driving economic growth in resource-rich countries. However, emerging chemistries (e.g., sodium-ion) diversify material sources, reducing vulnerabilities and promoting sustainable sourcing.

Opportunities

• Economic Diversification: Countries rich in raw materials can add value through processing and manufacturing, creating jobs and boosting exports.
• Job Creation and Industrialization: Investment in local industries, such as battery cell production, enhances economic resilience and technological capability.
• Environmental Benefits: New chemistries reduce environmental footprints, minimize mining impacts, and support recycling to foster circular economies.

Challenges

• R&D and Investment Gaps: Insufficient funding hinders innovation and market readiness for advanced technologies, particularly in developing countries.
• Safety Concerns: Thermal runaway risks in batteries require improved material stability and thermal management.
• Market Volatility and Supply Risks: Price fluctuations, supply chain disruptions, and environmental issues in mining threaten affordability and sustainability.
• Skill Shortages and Regulatory Weaknesses: Lack of a skilled workforce and unclear legal frameworks impede local development and ethical practices.

Policy Recommendations

• Investment and Education: Governments should provide incentives for R&D, education, and workforce training to build a skilled talent pool.
• Regulation and Standards: Establish clear environmental and safety standards, promote sustainable mining, and ensure fair labor practices.
• International Collaboration: Foster global partnerships for R&D, knowledge sharing, and responsible mineral supply chain management.
• Circular Economy Support: Incentivize recycling and the use of alternative materials to address supply constraints and environmental impacts.

Conclusion

Adopting and advancing battery chemistries is vital for the energy transition, requiring integrated policies that balance innovation, sustainability, and equitable economic growth while mitigating risks in mineral supply chains.