This water cooled proton exchange membrane fuel cell (PEMFC) stack provides a nominal 10000W of electrical power. It can be operated with dry or humidified reactants (ultra-pure hydrogen for anode and air for cathode). The stack includes cell voltage monitoring function to monitor each cell voltage.

Technical Specifications

Physical:

✔ Type of fuel cell: PEMFC
✔ Number of cells: 55
✔ Dimension (W x H x D): 460 x 215 x 280 mm
✔ Weight: ~36 kg

Performance:

✔ Peak Power: 10.4 kW
✔ Rated current: 270 Amps @ 37.5 V
✔ DC Voltage: 32 - 55 V

Fuel:

✔ Composition: 99.99% dry H2
✔ Stoic: 1.3
✔ Optimal inlet pressure: 0 - 0.4 bar

Oxidant:

✔ Composition: Air
✔ Stoic: 2.2
✔ Optimal inlet pressure: 0 - 0.4 bar

Operation:

✔ External temperature: 5 - 35 deg C
✔ Maximum operational stack temperature: 65 deg C
✔ Humidification: Self-humidified
✔ Cooling: Water
✔ Relative humidity: 100% RH

Stack Performance:

The following polarization curve is an examplary performance for this stack.

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

PEM Fuel Cell Stack Specifications
MEA Active Area	300 cm2
Number of Cells in the Stack	55
Rated Power	10.4 kW (or 10400 W) at 0.9 A/cm2 current density
Rated Output Voltage per Cell	~0.703
Size (W x H x D)	460 x 215 x 280 mm
Weight	~36 kg
Number of Stacks in the Product	1
Stack Inlet/Outlet Ports	Anode In/Out (1/2” fitting) Cathode In/Out (3/4” fitting) Cooling In/Out (3/4” fitting)
Leak Test	Test conditions: Supply pressure (25 kPa) External leak: 0 - 0.030 kPa Internal leak: 0 - 0.500 kPa Coolant leak: 0 - 0.030 kPa
Stack Testing Temperature	65 deg C
Stack Testing Pressure	Ambient (unpressurized)
Anode/Cathode Stoichiometry During Testing	1.3 / 2.2
Anode/Cathode Relative Humidity (RH) During Testing	100% / 100%
Anode/Cathode Reactants During Testing	Anode: H2 Cathode: Air