Definition:
A device that converts hydrogen and oxygen into electricity, with water and heat as the only byproducts, making it a clean energy solution for power generation and transportation.
Key Components:
- Electrolyte Membrane: Facilitates the movement of protons while blocking electrons.
- Electrodes (Anode & Cathode): Where the hydrogen oxidation and oxygen reduction reactions occur.
- Catalyst: Speeds up the reactions, commonly made of platinum.
Use Cases/Industries:
- Transportation: Powering hydrogen fuel cell vehicles (FCEVs) such as buses, trucks, and trains.
- Stationary Power Generation: Providing backup or primary power for commercial and industrial applications.
Advantages:
- Zero Emissions: Only produces water vapor as a byproduct.
- High Efficiency: More efficient than combustion engines in converting energy.
Challenges:
- High Cost: Platinum-based catalysts and fuel cell production remain expensive.
- Hydrogen Infrastructure: Requires widespread refueling networks.
Related Terms:
Electrolysis, Green Hydrogen, Fuel Cell Vehicle (FCEV)
Example:
Toyota’s Mirai is a commercially available hydrogen fuel cell vehicle, offering a range of over 400 miles per refueling.
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Synonyms:
Fuel Cell, Proton Exchange Membrane (PEM) Fuel Cell, Hydrogen Power Cell
