| 1. | EXECUTIVE SUMMARY |
| 1.1. | What are critical materials |
| 1.2. | The number of critical materials is increasing globally |
| 1.3. | Critical material recovery from primary and secondary sources |
| 1.4. | Technologies for critical material recovery from secondary sources |
| 1.5. | Established and emerging secondary sources for critical material recovery |
| 1.6. | Business models for critical material recovery from secondary sources |
| 1.7. | Critical material extraction technology overview |
| 1.8. | Technology readiness evaluation of critical material extraction techniques |
| 1.9. | Critical material extraction methods evaluated by key performance metrics |
| 1.10. | Evolution of the value proposition for critical material extraction technologies |
| 1.11. | Critical material recovery technology overview |
| 1.12. | Critical metal recovery technologies evaluated and compared |
| 1.13. | Critical material recovery technologies from secondary materials - Key findings |
| 1.14. | Overview of key technologies for recycling rare earth magnets from waste |
| 1.15. | Rare earth magnet recycling in 2025 dominated by long-loop technology |
| 1.16. | Magnet manufacturing waste to become a key feedstock for recyclers until end-of-life waste availability increases |
| 1.17. | Critical Li-ion battery technology metal recovery - Key conclusions |
| 1.18. | Li-ion battery recycling technologies summary & comparison |
| 1.19. | Li-ion battery recycling policies and regulations - global map |
| 1.20. | Critical semiconductor material recovery from secondary sources - Key conclusions |
| 1.21. | Business models for critical semiconductor material recovery |
| 1.22. | Critical platinum group metal recovery from secondary sources - Key conclusions |
| 1.23. | Business models and established players in platinum group metal recycling |
| 1.24. | Critical metal recycling from hydrogen fuel cells and water electrolyzers won't happen until 2040s |
| 1.25. | 20-year overall global recovered critical materials forecast, annual value forecast, 2026-2046 |
| 1.26. | Electrification driving transfer of critical material recovery value from platinum group metals to Li-ion battery materials |
| 1.27. | 20-year overall global recovered critical materials forecast by material, annual weight forecast, 2026-2046 |
| 1.28. | Access more with an IDTechEx subscription |
| 2. | MARKET FORECASTS |
| 2.1. | Forecasting methodology and key updates |
| 2.1.1. | Forecasting methodology |
| 2.1.2. | Discontinuity in secondary source availability from renewable energy applications |
| 2.1.3. | Critical Li-ion battery material price assumptions |
| 2.1.4. | Critical rare earth material price assumptions |
| 2.1.5. | Critical platinum group metal price assumptions |
| 2.1.6. | Notable forecast updates since previous report edition (1/2) |
| 2.1.7. | Notable forecast updates since previous report edition (2/2) |
| 2.2. | Critical material recovery forecasts |
| 2.2.1. | 20-year overall global recovered critical materials forecast, annual weight forecast, 2026-2046 |
| 2.2.2. | 20-year overall global recovered critical materials forecast, annual weight forecast, excluding from Li-ion batteries materials, 2026-2046 |
| 2.2.3. | 20-year overall global recovered critical materials forecast by material, annual weight forecast, 2026-2046 |
| 2.2.4. | 20-year overall global recovered critical materials forecast by element, annual weight forecast, excluding Li-ion battery materials, 2026-2046 |
| 2.2.5. | 20-year overall global recovered critical materials forecast, annual value forecast, 2026-2046 |
| 2.2.6. | 20-year overall global recovered critical materials forecast, annual value forecast, excluding from Li-ion batteries, 2026-2046 |
| 2.2.7. | Electrification driving transfer of critical material recovery value from platinum group metals to Li-ion battery materials |
| 2.2.8. | 20-year global recovered critical rare earth element forecast, annual weight forecast, 2026-2046 |
| 2.2.9. | 20-year global recovered critical rare earth element forecast, segmented by secondary source, annual weight forecast, 2026-2046 |
| 2.2.10. | 20-year global recovered critical rare earth element forecast, annual value forecast, 2026-2046 |
| 2.2.11. | 20-year global recovered critical materials from Li-ion batteries, annual weight forecast, 2026-2046 |
| 2.2.12. | 20-year global recovered critical materials from Li-ion batteries, annual value forecast, 2026-2046 |
| 2.2.13. | 20-year global recovered critical semiconductor material forecast, annual weight forecast, 2026-2046 |
| 2.2.14. | 20-year global recovered critical semiconductor material forecast, annual weight forecast, excluding silicon, 2026-2046 |
| 2.2.15. | 20-year global recovered critical semiconductor material forecast, annual value forecast, 2026-2046 |
| 2.2.16. | 20-year global recovered critical platinum group metal forecast, annual weight forecast, 2026-2046 |
| 2.2.17. | 20-year global recovered critical platinum group metal forecast, segmented by feedstock source, annual weight forecast, 2026-2046 |
| 2.2.18. | 20-year global recovered critical platinum group forecast, annual value forecast, 2026-2046 |
| 3. | INTRODUCTION |
| 3.1. | What are critical materials |
| 3.2. | The rise of the mineral economy and the emergence of critical materials |
| 3.3. | Increasing critical material demand drives growth in global supply |
| 3.4. | The number of critical materials is increasing globally |
| 3.5. | Growing export restrictions intensify supply risks and drive critical material strategy development |
| 3.6. | Critical material recovery from primary and secondary sources |
| 3.7. | Established critical material recovery from primary sources |
| 3.8. | Critical material recycling increasingly important as investment in mining operations reduces |
| 3.9. | How critical materials are recovered from secondary sources |
| 3.10. | Technologies for critical material recovery from secondary sources |
| 3.11. | Overview of critical material supply, value, and recycling rates |
| 3.12. | Lessons from the established critical platinum group metal recovery market |
| 3.13. | Defining Traits in Established Critical Material Recovery Markets |
| 3.14. | Market drivers for critical material recovery from secondary sources |
| 3.15. | Established and emerging secondary sources for critical material recovery |
| 3.16. | Business models for critical material recovery from secondary sources |
| 3.17. | Critical material price pressures continue to impact recycling profitability |
| 3.18. | Enabling technological and commercial innovation required to unlock critical material recovery |
| 3.19. | Critical material recovery report content and outline |
| 3.20. | For More Research on Critical Minerals and Materials: |
| 4. | CRITICAL MATERIAL EXTRACTION TECHNOLOGY FROM SECONDARY SOURCES |
| 4.1. | Overview of critical material extraction |
| 4.1.1. | Critical material extraction technology from secondary sources - Chapter overview |
| 4.1.2. | Critical material extraction technology overview |
| 4.1.3. | Critical material extraction: Extraction technologies |
| 4.2. | Critical material extraction technologies |
| 4.2.1. | Hydrometallurgical extraction |
| 4.2.2. | Lixiviants used in hydrometallurgical metal extraction from secondary material sources |
| 4.2.3. | SWOT analysis of hydrometallurgical extraction of critical material |
| 4.2.4. | Pyrometallurgical extraction: Introduction |
| 4.2.5. | Pyrometallurgical extraction: Methods |
| 4.2.6. | SWOT analysis of pyrometallurgical extraction of critical materials |
| 4.2.7. | Biometallurgy: Introduction |
| 4.2.8. | Bioleaching processes and their applicability to critical materials |
| 4.2.9. | Biometallurgy: Areas of development |
| 4.2.10. | SWOT analysis of biometallurgy for critical material extraction |
| 4.2.11. | Ionic liquids and deep eutectic solvents |
| 4.2.12. | Challenges facing commercialization of ionic liquid and deep eutectic solvent technologies |
| 4.2.13. | SWOT analysis of ionic liquids and deep eutectic solvents for critical material extraction |
| 4.2.14. | Electroleaching extraction |
| 4.2.15. | SWOT analysis of electrochemical leaching for critical material extraction |
| 4.2.16. | Supercritical fluid extraction |
| 4.2.17. | SWOT analysis of supercritical fluid extraction technology |
| 4.3. | Summary and conclusions |
| 4.3.1. | Summary of critical material extraction from secondary sources |
| 4.3.2. | Technology readiness evaluation of critical material extraction techniques |
| 4.3.3. | Critical material extraction technologies and state of adoption |
| 4.3.4. | Critical material extraction methods evaluated by key metric |
| 4.3.5. | Evolution of the value proposition for critical material extraction technologies |
| 5. | CRITICAL MATERIAL RECOVERY TECHNOLOGY FROM SECONDARY SOURCES |
| 5.1. | Overview of critical material recovery |
| 5.1.1. | Critical material recovery technology from secondary sources - Chapter overview |
| 5.1.2. | Critical material recovery: Introduction and process overview |
| 5.1.3. | Critical metal recovery: Recovery technologies |
| 5.2. | Critical material recovery technologies |
| 5.2.1. | Critical material recovery by solvent extraction |
| 5.2.2. | Rare-earth element recovery by solvent extraction |
| 5.2.3. | Critical metal recovery from Li-ion batteries, fuel cells and electrolysers with solvent extraction and associated challenges |
| 5.2.4. | SWOT analysis of solvent extraction recovery technology |
| 5.2.5. | Ion exchange recovery |
| 5.2.6. | Critical metal extraction using ion exchange resins |
| 5.2.7. | SWOT analysis of ion exchange resin recovery technology |
| 5.2.8. | Ionic liquid (IL) and deep eutectic solvent (DES) recovery |
| 5.2.9. | Coupling ionic liquid / deep eutectic solvent recovery with electrodeposition |
| 5.2.10. | Challenges facing ionic liquid and deep eutectic solvent recovery technology |
| 5.2.11. | SWOT analysis of ionic liquids and deep eutectic solvents for critical material recovery |
| 5.2.12. | Critical metal recovery by precipitation |
| 5.2.13. | Selective coagulation and flocculation to enhance precipitation efficiency |
| 5.2.14. | SWOT analysis of precipitation for critical material recovery |
| 5.2.15. | Critical metal recovery using biosorption |
| 5.2.16. | SWOT analysis of biosorption for critical material recovery |
| 5.2.17. | Critical metal recovery by electrowinning |
| 5.2.18. | Nickel and cobalt recovery from Li-ion batteries and consumer electronics waste using electrowinning |
| 5.2.19. | Rare-earth oxide (REO) processing using molten salt electrolysis |
| 5.2.20. | Emerging electrowinning systems for critical material recovery and areas for innovation |
| 5.2.21. | SWOT analysis of electrowinning for critical material recovery |
| 5.2.22. | Direct recovery approaches: Rare-earth magnet recycling by hydrogen decrepitation |
| 5.2.23. | Direct recovery approaches: Direct recycling of Li-ion battery cathodes by sintering |
| 5.2.24. | SWOT analysis of direct critical material recovery technology |
| 5.3. | Summary and Conclusions |
| 5.3.1. | Critical metal recovery technologies evaluated and compared |
| 5.3.2. | Critical material recovery technologies from secondary materials - Key findings |
| 5.3.3. | Technology readiness of critical material recovery technologies by secondary material sources |
| 5.3.4. | Evolving requirements of critical material recovery technologies |
| 6. | CRITICAL RARE EARTH ELEMENT RECOVERY |
| 6.1. | Overview of rare earth recycling |
| 6.1.1. | Rare earth magnet recycling - Chapter overview |
| 6.1.2. | Trends in rare earth recycling |
| 6.1.3. | Critical rare earth elements: Introduction |
| 6.1.4. | Critical rare earth elements: Product markets and applications |
| 6.1.5. | Critical rare earth elements: Geographic concentration of primary material supply chain |
| 6.1.6. | Rare earth element demand concentrating in magnet applications |
| 6.1.7. | Primary and secondary material streams for rare-earth element recovery |
| 6.1.8. | Rare earth element content in secondary material sources |
| 6.2. | Rare earth recycling technologies |
| 6.2.1. | Overview of key technologies for recycling rare earth magnets from waste |
| 6.2.2. | Long-loop and short-loop rare earth recycling methods |
| 6.2.3. | Short-loop rare-earth magnet recycling by hydrogen decrepitation |
| 6.2.4. | Short-loop rare-earth magnet recycling by powder metallurgy |
| 6.2.5. | Short-loop recycled magnets show weaker magnetic properties compared to virgin magnets |
| 6.2.6. | SWOT analysis of short-loop rare-earth magnet recycling |
| 6.2.7. | Long-loop magnet recycling |
| 6.2.8. | Long-loop rare-earth magnet recycling: Recovery technologies |
| 6.2.9. | Long-loop magnet recovery using solvent extraction |
| 6.2.10. | Breakdown of operating expenditure (OpEx) of long-loop recycling using solvent extraction |
| 6.2.11. | Liquid chromatography rare earth separation technology offers feedstock flexibility |
| 6.2.12. | Liquid chromatography uses ion exchange resins to recycle magnets |
| 6.2.13. | Emerging business model for rare earth recovery using ion exchange / liquid chromatography |
| 6.2.14. | Comparison of Commercial Rare Earth Separation Technologies |
| 6.2.15. | SWOT analysis of long-loop rare earth magnet recycling recovery |
| 6.2.16. | Short-loop and long-loop rare earth magnet recycling: Summary and key players |
| 6.2.17. | The role of waste pre-processing and automation in magnet recycling |
| 6.3. | Rare earth recycling markets |
| 6.3.1. | Rare earth magnet recycling in 2025 dominated by long-loop technology |
| 6.3.2. | Overview of key rare earth recyclers |
| 6.3.3. | Emerging rare earth magnet recycling value chain |
| 6.3.4. | Global rare earth magnet recyclers |
| 6.3.5. | Circular supply chains for critical rare earths are emerging out of necessity |
| 6.3.6. | Increasing rare earth magnet recycling capacity by 2030 highlights need for greater feedstock sourcing to maximize utilization |
| 6.3.7. | Electric motors, energy generators, and hard disk drives emerge as key secondary sources of rare earths |
| 6.3.8. | Pre-processing challenges for rare-earth magnet recycling from electric rotors |
| 6.3.9. | Availability of magnets for recycling influenced by lifetimes of integrated products and recycling efficiency |
| 6.3.10. | Magnet manufacturing waste to become a key feedstock for recyclers until end-of-life waste availability increases |
| 6.3.11. | Many long-loop recyclers focus on securing primary mineral feedstocks until secondary sources come online |
| 6.3.12. | Barriers to growth and areas requiring development for rare earth magnet recovery growth to be realized |
| 6.4. | Critical Rare earth recovery summary and outlook |
| 6.4.1. | Rare earth magnet recovery technology summary and outlook |
| 6.4.2. | Rare-earth magnet market summary and outlook |
| 6.4.3. | Overview of opportunities and trends for long-loop and short-loop rare earth magnet recycling technologies |
| 6.4.4. | Innovation areas for rare-earth magnet recycling |
| 6.4.5. | Rare earth magnet recycling value chain |
| 6.4.6. | More information can be found in IDTechEx's report: Rare Earth Magnets 2026-2036: Technologies, Supply, Markets, Forecasts |
| 7. | CRITICAL LI-ION BATTERY MATERIAL RECOVERY |
| 7.1. | Overview of Li-ion battery recycling |
| 7.1.1. | Critical Li-ion battery technology metal recovery - Chapter overview |
| 7.1.2. | Critical Li-ion battery metals: Introduction |
| 7.1.3. | Key trends impacting critical battery material demand (1) |
| 7.1.4. | Key trends impacting critical battery material demand (2) |
| 7.1.5. | Introduction to Li-ion battery recycling and LIB circular economy |
| 7.1.6. | Li-ion battery recycling market summary and key updates |
| 7.1.7. | Closed-loop value chain of electric vehicle batteries - sources of LIB recycling feedstock and flow of materials |
| 7.1.8. | Global LIB recycling capacity and player map |
| 7.1.9. | More information can be found in IDTechEx's report: Li-ion Battery Recycling Market 2025-2045: Markets, Forecasts, Technologies, and Players |
| 7.2. | Li-ion battery metal recovery technologies |
| 7.2.1. | Overview of Li-ion battery recycling technologies |
| 7.2.2. | Pyrometallurgical Li-ion battery recycling |
| 7.2.3. | Hydrometallurgical Li-ion battery recycling |
| 7.2.4. | Direct Li-ion battery recycling methods |
| 7.2.5. | Recycling technologies summary & comparison |
| 7.2.6. | Graphite recycling from Li-ion batteries |
| 7.2.7. | Graphite recycling technology summary |
| 7.3. | Li-ion battery metal recovery markets |
| 7.3.1. | Electric vehicle battery recycling value chain |
| 7.3.2. | When will Li-ion batteries be recycled? |
| 7.3.3. | Is recycling Li-ion batteries economical? |
| 7.3.4. | Impact of cathode chemistries on recycling economics |
| 7.3.5. | Recycling regulations and policies |
| 7.3.6. | Specific policy targets and funding summary by region |
| 7.3.7. | Li-ion battery recycling policies and regulations - global map |
| 7.3.8. | Li-ion battery recycling: Sector involvement |
| 7.3.9. | Li-ion battery recycling technology breakdown by region |
| 7.3.10. | New LIB recycling capacity by region and type of recycling technology (mechanical, hydrometallurgical / refining) |
| 8. | CRITICAL SEMICONDUCTOR MATERIAL RECOVERY |
| 8.1. | Overview of critical semiconductor material recovery |
| 8.1.1. | Semiconductor material recovery - Chapter overview |
| 8.1.2. | Critical semiconductor materials: Introduction |
| 8.1.3. | Critical semiconductor materials: Rising demand and supply chain challenges |
| 8.1.4. | Critical semiconductors: Applications and recycling rates |
| 8.2. | Electronic waste (e-waste) |
| 8.2.1. | E-waste is rapidly accumulating but recycling struggles to keep up |
| 8.2.2. | Disparate and low semiconductor content in key applications is prohibiting recovery |
| 8.2.3. | Critical semiconductor recovery from e-waste will rely on more effective pre-processing |
| 8.2.4. | Trends in electronic waste recycling and emerging feedstocks |
| 8.2.5. | Trends in e-waste feedstock composition |
| 8.2.6. | Recovery of critical semiconductors from e-waste |
| 8.2.7. | Sources of primary and secondary gallium for recovery |
| 8.2.8. | Overview of gallium and indium recyclers |
| 8.2.9. | Established germanium recovery from secondary sources |
| 8.2.10. | Business models for critical semiconductor material recovery |
| 8.2.11. | Critical semiconductor recovery takes the backseat to precious metals in e-waste recycling |
| 8.3. | Photovoltaic and solar technologies |
| 8.3.1. | Critical semiconductors in photovoltaic panels: Introduction |
| 8.3.2. | Critical semiconductors in photovoltaics: Cell stack composition and design |
| 8.3.3. | Critical semiconductor recovery from photovoltaics |
| 8.3.4. | Different processes are required to recycle crystalline silicon and thin-film photovoltaic modules |
| 8.3.5. | Silicon recovery technology for crystalline-Si PVs |
| 8.3.6. | Most of the value in silicon photovoltaic module recycling resides in base and precious metal recovery |
| 8.3.7. | Breakdown of value recovered from silicon PV panel recycling |
| 8.3.8. | Tellurium recovery from CdTe thin-film photovoltaics |
| 8.3.9. | Challenges facing thin film CdTe PV recycling |
| 8.3.10. | Solar panel manufacturers and recycling capabilities (I) |
| 8.3.11. | Solar panel manufacturers and recycling capabilities (II) |
| 8.4. | Market summary and outlook |
| 8.4.1. | Conclusions for critical semiconductor material recovery and market outlook |
| 8.4.2. | Technology readiness of critical semiconductor recovery technologies |
| 8.4.3. | Critical semiconductor recovery: Key player overview |
| 8.4.4. | Market drivers, opportunities and barriers for critical semiconductor recovery |
| 8.4.5. | Key challenges that must be addressed to unlock the secondary critical semiconductor material stream |
| 9. | CRITICAL PLATINUM GROUP METAL RECOVERY |
| 9.1. | Overview of critical platinum group metal recovery |
| 9.1.1. | Platinum group metal recovery - Chapter overview |
| 9.1.2. | Critical platinum group metals: Introduction |
| 9.1.3. | Critical platinum group metals: Supply chain considerations |
| 9.1.4. | Global PGM demand and application segmentation |
| 9.1.5. | Critical platinum group metals: Applications and recycling rates |
| 9.1.6. | Critical platinum group metal recovery is driven by high intrinsic metal value |
| 9.1.7. | Historical PGM price volatility |
| 9.1.8. | Historical iridium supply and demand |
| 9.2. | PGM recovery from spent automotive catalysts |
| 9.2.1. | Critical PGMs in automotive catalysts |
| 9.2.2. | Critical PGM recovery from spent automotive catalysts |
| 9.2.3. | Global recovery of platinum, palladium and rhodium from automotive scrap |
| 9.2.4. | Key global automotive catalyst recycling players |
| 9.3. | PGM recovery from hydrogen electrolyzers and fuel cells |
| 9.3.1. | Critical metals for the hydrogen economy |
| 9.3.2. | Proton exchange membrane electrolyzer materials & components |
| 9.3.3. | Green hydrogen's influence on critical materials |
| 9.3.4. | Importance of technological advancements & PGM recycling |
| 9.3.5. | Challenges in transitioning to new PEMEL catalysts and the role of PGM recycling |
| 9.3.6. | Recovering critical PGMs from catalyst coated membranes (CCMs) |
| 9.3.7. | Recycling of critical PGMs from fuel cell catalysts |
| 9.3.8. | Proton exchange membrane catalyst and ionomer recycling: Player overview |
| 9.3.9. | Critical metal recycling from hydrogen fuel cells and water electrolyzers won't happen until 2040s |
| 9.3.10. | Key suppliers of catalysts for fuel cells |
| 9.4. | Market summary and outlook |
| 9.4.1. | Critical PGM recovery: Conclusions and outlook |
| 9.4.2. | Technology readiness of critical PGM recovery from secondary sources |
| 9.4.3. | Business models and established players in platinum group metal recycling |
| 9.4.4. | Opportunities and threats to growth for critical PGM recovery |
| 9.4.5. | What valuable lessons from the LIB & EV industries can be applied to PGM recovery from hydrogen technology |
| 10. | COMPANY PROFILES |
| 10.1. | Accurec Recycling GmbH |
| 10.2. | ACE Green Recycling |
| 10.3. | Altilium |
| 10.4. | Ascend Elements |
| 10.5. | Australian Strategic Materials Ltd (ASM) |
| 10.6. | Ballard Power Systems |
| 10.7. | Carester (Caremag) |
| 10.8. | Carester (Caremag) |
| 10.9. | CellCircle (Battery Recycling) |
| 10.10. | Cirba Solutions |
| 10.11. | Cirba Solutions |
| 10.12. | Cyclic Materials |
| 10.13. | Cyclic Materials |
| 10.14. | Cylib |
| 10.15. | EcoGraf |
| 10.16. | Ecoprogetti |
| 10.17. | Exigo Recycling |
| 10.18. | Exitcom Recycling (Battery Recycling) |
| 10.19. | Fortum (Battery Recycling) |
| 10.20. | Garner Products |
| 10.21. | Green Graphite Technologies |
| 10.22. | Heraeus: Catalysts for the Hydrogen Economy |
| 10.23. | Huayou Recycling |
| 10.24. | HyProMag |
| 10.25. | HyProMag Ltd |
| 10.26. | Ionic Technologies |
| 10.27. | JL Mag |
| 10.28. | Li-Cycle |
| 10.29. | Librec |
| 10.30. | Lithium Australia |
| 10.31. | Lohum |
| 10.32. | Mecaware |
| 10.33. | Neo Performance Materials - Rare Metals |
| 10.34. | Noveon Magnetics |
| 10.35. | OnTo Technology |
| 10.36. | POSCO (Battery Recycling) |
| 10.37. | Primobius |
| 10.38. | Rare Earth Technologies Inc. (RETi) |
| 10.39. | Redwood Materials |
| 10.40. | ReElement Technologies |
| 10.41. | REETec |
| 10.42. | Seloxium |
| 10.43. | Solar Materials |
| 10.44. | SungEel Hi-Tech |
| 10.45. | Umicore (Battery Recycling) |
| 10.46. | Veolia (Battery Recycling) |