What is a fuel cell?

Realizing vehicles that generate no CO2 or exhaust gas emissions:
The fuel cell stack achieves the ultimate in clean performance

The FCX’s fuel cell stack is a PEMFC (Proton Exchange Membrane Fuel Cell) electrical generation device that employs an electrochemical reaction between hydrogen (H2) and oxygen (O2) to directly convert chemical energy into electrical energy. This can be viewed as the reverse of the principle of electrolysis, in which an electrical current is used to separate water (H2O) into hydrogen and oxygen. Honda has created a clean-running system that is capable of continuous electrical generation when supplied with hydrogen and oxygen, simultaneously generating electricity and water, with no CO2 or other harmful emissions whatsoever.


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1. How electricity is generated
2. Structure and Function

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