Sources & Research Method
Primary sources used for PEM fuel cells, PEM electrolysis, hydrogen production, platinum supply and publisher requirements.
- U.S. Department of Energy — Parts of a Fuel Cell
- U.S. DOE — PEM Fuel Cell Component Technical Targets
- U.S. DOE — Hydrogen Production: Electrolysis
- U.S. DOE — Technical Targets for PEM Electrolysis
- U.S. DOE — Hydrogen Production Processes
- U.S. Geological Survey — Platinum-Group Metals Statistics and Information
- U.S. Geological Survey — 2025 Critical Minerals List Context
- Google AdSense — Required Privacy Content
- Google AdSense — Personalized and Non-Personalized Ads
- Google AdSense — IAB Europe TCF Integration
Real hydrogen and fuel-cell systems also require current manufacturer documentation, codes, approved engineering procedures and jurisdiction-specific rules.