Model fuel cell

1. Fill an infusion bottle(50 mL) with Glauber salt solution.
2. Fix two pencil leads of about 10 cm (electrodes) in an insulating screw joint.
3. Connect the electrodes with a 9-Volt battery.
4. Put them into the bottle with Glauber salt solution.
5. As soon as both electrodes are covered with gas bubbles, disconnect them from the battery, …

6. … connect this “fuel cell” with a small electric motor (RF 300).
7. Repeat 5.
8. Connect the "fuel cell" with a light emitting diode (LED).

first publication: 26.04.2016                                                 last modification: 26.04.2016