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Liquid-Cooled Test Fixture (5 to 100 cm²) - quickCONNECTfixture

The quickCONNECTfixture (qCf) is a modular, compressed-air-actuated test system designed for single PEM fuel cells and PEM water electrolysis (PEMWE) components.

It enables fully reproducible testing of core components such as flow fields, MEAs, CCMs, GDLs, GDEs, and membranes across active areas from 5 to 100 cm² or customer-specific dimensions.

With its liquid-cooled temperature control and tool-free quick-change cellFixture design, the system is ideal for research laboratories, quality assurance environments, and test bench integration.

Key features

quickCONNECTfixture (qCf)

Pneumatic, compressed-air-pressurized frame for applying controlled contact pressure

Designed for reproducible testing of PEMFC and PEMWE components

Rapid, tool-free replacement of measurement cells

Fully compatible with laboratory and test bench environments

Continuously adjustable contact pressure depending on cell area and flow field

Supports active areas: 5, 25, 50, 100 cm² (or custom sizes)

Gold-plated heating and contact plates with integrated media feed

Supports a wide range of fuels and oxidants (H₂, reformate, methanol, ethanol, air/O₂, etc.)

cellFixture

Two-part measurement cell compatible with qCf FC25/100 (LC)

Tool-free closure via quick-release fasteners

Defines and holds test specimens such as MEAs, CCMs, GDLs, GDEs, and membranes

Active area options: 5, 25, 50, 100 cm² or custom

Integrated sense contacts for precise cell potential measurement

Housing material: EP GC 308 (thermally stable), with FKM/Viton sealing

Compatible with a wide range of fuels and oxidants (H₂, methanol, reformate, air, O₂, H₂O₂, etc.)

Technical speicifcations

quickCONNECTfixture (qCf)

Contact pressure: continuously adjustable, depending on active area and flow field material

Temperature control: liquid cooling/heating in direct contact with the cellFixture

Operating temperature: –20 °C to 180 °C (depending on circulation thermostat and medium)

Load current: max. 2.5 A/cm²

Liquid cooling/heating connection: 6 mm or 1/4" Swagelok (or compatible)

Anode/cathode media connections: 6 mm or 1/4" Swagelok (1.4571)

Compatible fuels: H₂, reformate, methanol, ethanol, etc.

Compatible oxidants: air, O₂, etc.

Electrical contact: 6 mm MultiContact (MC) socket, low resistance

Recommended cooling/heating media: ethanol, deionized water, glycol, silicone oil (depending on requirements)

cellFixture

Maximum component thickness: 2 mm

Flow field options: 5× serpentine or straigh channel

Materials: graphite or titanium Grade 2

Maximum contact pressure on active area: 2.51 N/mm²

Compatible fuels: methanol, H₂, reformate, etc.

Compatible oxidants: air, O₂, H₂O₂, etc.

Operating temperature: –20 °C to 180 °C

Housing material: EP GC 308, thermally stable

Sealing elements: FKM/Viton

Contact surfaces: ground flat and gold-plated

Electrical measurement: integrated sense contacts

Additional port: 1.5 mm hole in contact plate for insertion of external temperature sensors

Application areas

Testing of PEM fuel cell components (CCMs, MEAs, GDLs, GDEs, membranes)

Testing of PEM water electrolysis materials

Research & development

Quality assurance workflows

Material evaluation under controlled temperature and pressure

Characterization of performance, contact resistance, and durability

Liquid-Cooled Test Fixture (5 to 100 cm²) - quickCONNECTfixture