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Liquid-Cooled Test Fixture – quickCONNECTfixture FC5/2×63 V1.0 LC 50bar Ely

The qCf FC5/2×63 V1.0 LC 50bar Ely is a compressed-air-pressurized test system designed for precise evaluation of PEM electrolysis cell components under reproducible and well-controlled test conditions.

It enables characterization of flow fields, CCMs, MEAs, GDLs, GDEs, membranes, and other core materials with an active area of 5 cm², offering high stability, precise contact-pressure control, and integrated media and thermal management.

With its robust design, adjustable compression mechanism, and compatibility with laboratory and test-bench environments, this system is ideal for research, development, and quality-assurance workflows.

Key features

qCf Fixture (compressed-air-pressurized frame)

Compressed-air-pressurized frame for mounting the cF measuring cell and enabling reproducible PEM electrolysis testing

Suitable for research, development, and quality-assurance applications

Supports laboratory and test-bench environments

Continuously adjustable contact pressure depending on active cell area and flow-field material

Includes gold-plated heating and contact plates with integrated media feed

Electrical connection via 6 mm MC low-resistance socket

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

cellFixture (insert cell for 5 cm² testing)

Two-part measuring cell for evaluating PEM electrolysis components (flow fields, CCMs, MEAs, GDLs, GDEs, membranes, etc.)

Screw-closure design enabling compact, stable operation inside the qCf fixture

Titanium Grade 2 parallel-channel flow field (custom designs available)

Ground-flat, gold-plated contact surfaces

Integrated sense contacts for direct cell-potential measurement

Additional 1.5 mm port for external temperature sensors

Thermally stable DLC-coated V4A housing with EPDM sealing (alternative FKM/EPDM options available)

Technical specifications

qCf Fixture

Active area: 5 cm²

Maximum contact pressure: 2.5 N/mm²

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

Load current: up to 5 A/cm²

Media connections (anode/cathode): 6 mm or 1/4" Swagelok (1.4571)

Recommended cooling/heating media: ethanol, deionized water, glycol, silicone oil

Fuels: H₂, reformate, methanol, ethanol

Oxidants: air, O₂

cellFixture

Active area: 5 cm² (square)

Maximum component thickness: 2.5 mm

Flow-field material: Titanium Gr.2, parallel vertical channels (coatings available)

Maximum contact pressure: 2.51 N/mm²

Counterpressure capability: up to 2 bar (max. Δp = 300 mbar)

Operating temperature: –20 to 180 °C

Housing material: V4A, DLC-coated

Sealing elements: EPDM (FKM/Viton optional)

Fuel compatibility: methanol, H₂, reformate

Oxidant compatibility: air, O₂, H₂O₂

Integrated sense contacts: for potential measurement

Sensor port: Ø1.5 mm for temperature probes

Application areas

Evaluation of PEM electrolysis components (CCMs, MEAs, GDLs, GDEs, membranes)

Flow-field testing and material comparison

Research and development of PEM electrolysis cells

Quality-assurance workflows requiring reproducible test conditions

Characterization of small-area electrolysis cells at controlled temperature and compression

Liquid-Cooled Test Fixture – quickCONNECTfixture FC5/2×63 V1.0 LC 50bar Ely