Fuel cell — definition?
Device converting chemical to electrical energy electrochemically.
Key reaction — process?
Hydrogen splits; electrons flow; water forms.
Operation steps — sequence?
Hydrogen splits; electrons flow externally; water produced.
Advantages — benefits?
High efficiency, low pollution, no moving parts.
Disadvantages — challenges?
High cost, hydrogen storage, expensive catalysts.
Electrochemical reaction — where?
At electrodes: hydrogen at anode, oxygen at cathode.
Water — byproduct?
Main byproduct, produced at the cathode.
Electron flow — role?
Generates electric current through external circuit.
Fuel supply — necessity?
Continuous supply needed for operation.
Catalysts — example?
Platinum, costly and essential for efficiency.
Answer 5 questions on Introduction to Fuel Cell Technology.
1. What is the primary cause that enables a fuel cell to produce electricity continuously?
2. Who is credited with the foundational understanding of the key electrochemical reactions involving hydrogen splitting at the anode and oxygen reduction at the cathode in fuel cells?
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