Definition:
A measure of how effectively a fuel cell converts hydrogen’s chemical energy into electrical energy, typically expressed as a percentage.
Key Components:
- Voltage output
- Fuel utilization
- Heat loss
Use Cases/Industries:
- Transportation
- Distributed energy generation
- Backup power systems
Advantages:
- Higher efficiency than combustion engines
- Lower fuel consumption
Challenges:
- Efficiency drops under load
- Affected by degradation over time
Related Terms:
Fuel Cell, Energy Conversion Efficiency, Power Output
Example:
A PEM fuel cell system achieves up to 60% efficiency in combined heat and power (CHP) configurations.
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Synonyms:
Electrochemical Efficiency, Fuel-to-Power Ratio, Hydrogen Utilization Rate
