Definition:
Hydrogen gas with minimal impurities, often above 99.999% purity, required for fuel cells and certain industrial processes.
Key Components:
- Electrolyzers or purification units
- Gas analyzers
- Pressurized cylinders or pipelines
Use Cases/Industries:
- Fuel cell vehicles
- Semiconductor manufacturing
- Refining and metallurgy
Advantages:
- Improved fuel cell performance
- Reduced contamination risk
- Enables precision industrial processes
Challenges:
- High production cost
- Energy-intensive purification
- Storage and transport issues
Related Terms:
Green Hydrogen, Fuel Cell, Hydrogen Refueling
Example:
Fuel cell fleets rely on high-purity hydrogen to avoid membrane poisoning and ensure stack longevity.
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Synonyms:
Ultra-Pure Hydrogen, 5N Hydrogen, High-Grade Hydrogen