Description
The Automatic Test Fixture Unit is used to characterise all internal fuel cell components in a repeatable manner; namely, flowfields, gas diffusion layers, membrane electrode assemblies, catalyst coated membranes. With the use of pneumatic actuator, this unit enables adjustable pressure impact on the active part of the fuel cell irrespective of overall thickness of the internal components and flat sealing in a tool-free and quick fashion.
Characteristics of Automatic Test Fixture Unit:
- Dimensions: 320 x 160 x 160 mm; weight: 5.9 kg; working diameter of "pneumatic piston drive“: 100 mm
- Media/Fuel/oxidant connection: 6 mm Swagelok fitting; 4 mm for pneumatic piston / air supply
- Load connection: 6 mm low ohmic MultiContact ports (anode and cathode side)
- Temperature sensor integrated
- Main switch to open/close of test fixture; integrated 5/2 way-valve for piston control (open/close) and heaters (on/off)
- Main connecting plug: Interface to heating power and temperature sensor connection
- Heating elements: 200W / 24VDC; Fully integrated in gold plated heating plates ensures pre-heating of media
- Air-pressurized support frame pressure unit: Maximum impact force @ 8 bar air pressure: 6.28 kN; 616 kg; 1412 lbf
Characteristics of Cell Fixture:
- Dimensions: 95 x 95 x 45 mm; weight: 1.6 kg
- Flow Field Design: 5-fold serpentine structure
- Housing Material: Epoxi-resin glass fiber reinforced
- Interface Ports: Sense contact ports and additional temperature sensor bore 2 mm
- Sealing Material: Viton / FKM
- Maximum Thickness of Fuel Cell Components: 2 mm
- Gold plated monopolar / contact plates
- Tool-free preparation
- Fuel Cell Active Area: 5 and 25 cm² in square
- Maximum Operating Temperature: 180°C
- Fuels/Oxidants: Hydrogen, Methanol, Reformate / Air, O2
- Maximum Back Pressure: 2 bar
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