Horizon Mini PEM Reversible Fuel Cell

Brand: Horizon Fuel Cell Technologies
Product Code: 632000


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Recommended Accessories:

30 mL Storage Cylinders (2) 30 mL Storage Cylinders (2) $19.45 Qty: Add to Cart

The Reversible Polymer Electrolyte Membrane (PEM) Fuel Cell combines the functions of an electrolyzer and a fuel cell into ONE device.  When applying an electrical current the device acts as an electrolyzer that produces hydrogen and oxygen from de-ionized water.  When applying a load, the device behaves as a fuel cell and generates electricity from hydrogen.

Please note that according to the manufacturer, this product should not be operated for more than 1 hour continuously.


✔ High performance reversible PEM fuel cell
✔ Electrolyzer mode converts water into hydrogen and oxygen
✔ Fuel Cell mode produces electricity using hydrogen and oxygen
✔ Fully compatible with the Horizon education range
✔ Available in blue and transparent colors

Contents Include:

✔ Mini PEM Reversible Fuel Cell
✔ Pins
Banana cables / connecting leads
✔ User Manual

Fuel Cell Mode Specifications:

• Output Voltage: 0.6 V DC
• Output Current: 360 mA
• Power: 210 mW
• Dimensions: 2.1" x 2.1" x 0.4" (54 x 54 x 17 mm)
• Weight: 2.4 oz (69.7 g)

Electrolyzer Mode Specifications:

• Input Voltage: 1.8 - 3 V DC
• Input Current: 0.7 A
• Hydrogen Production Rate: 7 mL/min
• Oxygen Production Rate: 3.5 mL/min

How much hydrogen does the Horizon Mini PEM Reversible Fuel Cell consume per minute (Hydrogen/min)?
Hydrogen consumption will depend on how much power you are drawing out of the fuel cell.  At full load (210 mW), the fuel cell will output 360 mA and 0.6V.  Fuel cells consume hydrogen at a rate of 7 mL/min/A, therefore this would consume about 2.5 mL/min at full load.

Need Extra Tubing? - 2mm inner diameter Silicon Tubing is a perfect fit for Horizon Educational products.

Need Hydrogen and Oxygen Storage Cylinders? - Get a pair of Horizon Education Cylinders.

Horizon Mini PEM Reversible Fuel Cell, FCSU-023 Classroom Instructions

How do I store the Mini PEM Reversible Fuel Cell when I am not using it?
It is highly recommended to place the PEM Reversible Fuel Cell inside an air-tight plastic bag, such as a “Ziploc Bag".  This will protect it when you are not using the kit.
Will the Mini PEM Reversible Fuel Cell be damaged if I switch up the positive and negative poles?
Yes, damage may result from the interchanging of the positive and negative poles on the Mini PEM Reversible Fuel Cell and the connected power supply.
I left my Mini PEM Reversible Fuel Cell out while not putting it in the Ziploc bag.  What should I do?
Leaving your Mini PEM Reversible Fuel Cell out while not in a Ziploc bag may cause the membranes in the fuel cell to dry out.  The membranes in the PEM reversible fuel cell are to be used only when they are hydrated.  Inject water only into the positive (oxygen) side of reversible fuel cell and allow it to soak for 3 minutes.  The membranes will be damaged if connected to a solar panel or power supply when dry.
What is the recommended power supply?
It is highly recommended to use 3 W solar panel with 1A current or 2 new AA alkaline batteries with 1.5V as a power supply

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