Direct Methanol Fuel Cell Hardware

Product Code: 72108104

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Direct Methanol Fuel Cell MEA - 5 Layer

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Description Features Specifications Reviews (1)

Direct Methanol Fuel Cell (DMFC) Hardwares apply liquid fuel to the fuel cell to generate power. DMFC involves gas evolution during the electrochemical reaction that greatly influences the performance of the fuel cell. Methanol has more energy in volume compared to hydrogen; and since it can be utilized in a non-compressed state – it has become a fuel of choice for several uses including where size and weight are an issue as well as portability.

These DMFC fuel cell can be taken apart and rebuilt!

The DMFC hardware can also use for Direct Ethanol Fuel Cell (DEFC) and Bio-fuel cell in which liquid fuel is required to be managed to flow through the fuel cell.

This item includes all the key components to make such reactions occur. It also performs compression of the membrane electrode assembly (MEA) while providing uniform gas distribution and uniform temperature to the cell.

A gold-plated plate serves as current collector plate for the fuel cell. The gold plating provides corrosion protection and good electrical contact with the graphite separator plate. A high purity graphite plate with high electrical conductivity (900 Scm-1) and high thermal conductivity (117 Wm-1K-1) is designed with gas flow channels and manifold. A Gasket is included to provide a secured seal for the MEA. High power silicon rubber heaters are installed at both ends of the fuel cell to maintain a constant cell temperature.

Features:

✔ Machined graphite separator plates
✔ Gold plated current collectors
✔ Banana plugs for monitoring voltage
✔ Belleville washer
✔ Built-in silicon rubber heaters (120 watt) for maintaining cell temperature
✔ Nylon fitting/SS nut for gas tight connection to 1/4” tubing

Schematic of the Fuel Cell Hardware's Components:

Fuel Cell Hardware is also available with other Flow Field Designs Upon Quotation

Column / Pin Type
Serpentine
Straight Channel

General lead time of two weeks to be expected.

1. Through-Bolt Assembly Design

• Low Tightening Force Required

• Create Uniformed Force Distribution: 5in/lb

2. Implement Pinch Adjustment Mechanism

• Capable of Applying Torque Equally to the Bolts

• Contain Flat Gaskets with High Precision Thickness

3. Fuel Cell Grade Graphite Plate

• Gas Non Permeable / Excellent Chemical Resistance

• High Electrical/Thermal Conductivity and Mechanical Strength

4. Adaptable to Varied Flow Field Plate Design

• Current Collector Plate

• Gold Plated Plate – for corrosion resistance

5. Thermocouple Insert Hole

• Reach Thermocouple at Center of Fuel Cell Test Hardware

• Precisely Control and Monitor the Temperature

• Closest to the MEA

6. Voltage Measurement Banana Plug

• For Exact Measurement of Cell Voltage (using the highly electrically conductive graphite plate)

• Eliminate Voltage Drop due to Contact Resistance

7. Silicone Rubber Heater

• Provide Highest Watt Density

• Maintain Uniform Cell Temperature (using the highly thermally conductive graphite plate)

Active Area	Features	Technical Specifications
1, 5, and 25 cm²	Gold plated current collectors Machined graphite separator plates Banana plugs for monitoring voltage Belleville washer Built-in silicon rubber heaters (120 watt) for maintaining cell temperature Nylon fitting/SS nut for gas tight connection to 1/4” tubing	Gaskets: Silicone (standard) Size At (H x W x L): 11cm x 9.5cm x 4.5cm Weight (pounds): 3 Normal Operating Temp: 65 to 75 °C Maximum Temp: 180 °C
50 and 100 cm²	Aluminum end plates Gold plated current collectors Machined graphite separator plates Banana plugs for monitoring voltage Belleville washer Air-cooled stack SS fittings for gas tight connection to 1/4” tubing FC-50 Hardware can be used with Bi-Polar plates to create a Fuel Cell Stack	Gaskets: Silicone (standard) Size at 50cm² (H x W x L): 13.5 cm x 13.5 cm x 5 cm Weight at 50cm²: 5.5 lb Normal Operating Temp: 65 to 75 °C Maximum Temp: 180 °C