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the electrolysis process will begin. Turn the battery pack off once enough hydrogen has
been produced and disconnect it from the fuel cell. Once again, pay close attention to
ensure that the cables do not touch each other.
1.3 Power the system
A fuel cell has both a negative (Hydrogen) and a positive (Oxygen) side. While using the
fuel cell it is important to make sure the polarities (red to red & black to black) are correct
as it will affect the direction of the motor. This means the car will drive backwards if you
switch the polarity.
Step 1
Attach the the red lead to the motor contact with the red dot and attach the black lead
to the other contact on the motor (negative).
Make sure these connections are tight,
do not allow the other ends of the leads to come in contact with each other – that
would create a short circuit!
Step 2
Attach the other end of the red lead to the Oxygen (red - positive) side of the fuel cell;
attach the other end of the black lead to the Hydrogen (black - negative) side.
Operation Guide
DIY Fuel Cell
Kit/
Classroom Pack
