Horizon 100W PEM Fuel Cell

Product Code: 82132005


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The Horizon H-100 PEM Fuel Cell is a 100 Watt, air fed / air cooled, self-humidified hydrogen fuel cell suitable for many small to medium projects and uses.  Because this fuel cell is air cooled there is no need for large, complicated, and expensive water cooling systems.

Horizon H-Series PEM fuel cells are semi-integrated, efficient, reliable systems that minimize the use of peripherals.  As such, they are the most compact and lightweight fuel cells around the world.

List of components in the package:
  • 1 x 100W fuel cell stack (includes supply valve, purge valve, blower)
  • 1 x controller (includes short circuit unit)
  • 1 x silicon tube (OD 4 x ID 2mm), 50cm long
  • 1 x silicon tube (OD 6 x ID 3mm), 50cm long
  • 1 x filter
  • 3 x screw M6
  • 3 x nut M6
  • 6 x washer
  • 2 x outlet gas fitting (M5-4)
  • 2 x inlet gas fitting (M5-6)
  • 1 x LCD Display


The controller requires an external power supply of 13 volts and of up to 5 amperes. During the operation of the stack, the controller would not be consuming 5 amperes continuously.

Polarization Curves

Polarization curves (also known as fuel cell performance curves or IV curves or IE curves) are given both in the user manual and the brochure (see the links for PDF files below).

Related Documentation

Horizon 100W PEM Fuel Cell User Manual

Horizon H-Series Brochure

A typical lead time of 6-8 weeks to be expected for this product.

Fuel Cell Properties
Number of Cells 20
Rated Power 100W
Rated Performance 12V @ 8.3A
Hydrogen Supply Valve Voltage 12V
Purging Valve Voltage 12V
Blower Voltage 12V
Reactants Hydrogen and Air
Ambient Temperature 5 - 30 C; (41 - 86 F;)
Max Stack Temperature 65 C (149 F)
Hydrogen Pressure 0.45 - 0.55 Bar
Humidification Self-humidified
Cooling Air (integrated cooling fan)
Controller Weight 400g ± 30g
Stack Weight (with Fan & Casing) 1290g ± 50g
Hydrogen Flow Rate at Max Output 1.3 L/min
Stack Size 118 x 104 x 94mm (4.6" x 4.1" x 3.7")
Hydrogen Purity Requirement ≥ 99.995% (dry H2)
Start up time ≤ 30s (ambient temperature)
Efficiency of System 40% at 12V
Low Voltage Protection 10V
Over Current Protection 12A
Over Temperature Protection 65 C
External Power Supply 13V (±1V), of up to 5A

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