Test cell dedicated to the characterization of gas diffusion electrodes in alkaline aqueous electrolytes

The ECC-Air-Ni is another member of the modular ECC series. In contrast to the standard ECC-Air test cell, the current collectors are made of nickel instead of stainless steel. This way, the ECC-Air-Ni is stable against corrosion in alkaline aqueous electrolytes.

Basically, the cell accommodates a counter electrode on the cell bottom, a gas diffusion electrode on top and a separator in between. The upper gas diffusion electrode is contacted by and “breathes” through the nickel perforated plate (current collector) above. The cell lid is equipped with one port for gas inlet and one for gas outlet, so that the incoming gas passes along the backside of the gas diffusion electrode and leaves the cell through the siphon. The ECC-Air-Ni can be used with a reference electrode, which is located at the separator edge.

ECC-Air-Ni overview


Test cell dedicated to the characterization of gas diffusion electrodes in alkaline aqueous electrolytes.

Upper electrode is contacted by and breathes through a perforated plate (current collector) made of nickel

Gas inlet and outlet for supply of pressurized gases to the gas diffusion electrode

A siphon directs the incoming and outgoing gas

High precision 18 mm diameter sandwich geometry with

Reliable low leakage sealing with PE seal and PTFE ferrules

Easy and reliable electrolyte filling during assembly

Fast assembly and dismantling and easy cleaning of cell components

Electrodes are easily accessible for post-mortem analysis

Reusable cell components except for PE seal

Small and defined electrolyte volume due to minimized dead volume

Adjustable, reproducible and homogeneous mechanical pressure on electrodes

Materials in media contact are nickel and PEEK

Modular cell construction with many interchangeable components

Height 90 mm
Width 54 mm
Depth 70 mm
Weight 0.6 kg
Temperature resistance: -20° to +70°C (150°C)*
Electrode diameter 18 mm
Electrolyte volume min 0.1 ml
Cell dead volume (head space) approx. 4.3 cm³
*with optional Heat Resistance Set ECC1-01-0040-A *with optional Heat Resistance Set ECC1-01-0040-A
Delivery scope
Component Order no.
ECC-Air-Ni test cell
PTFE Plug ECC1-00-0130-B
Current collector 18 mm (Ni) ECC1-00-0069-F
Accessories kit:
Glass fiber separator 18 mm x 1.55 mm (10 pcs.) ECC1-01-0012-C/X
Ferrule 1.6 (2 pcs.) ECC1-00-0029-E
Sleeve (REF) ECC1-00-0058-B
PE Seal (10 pcs.) ECC1-00-0053-A/X
Sleeve removing tool ECC1-00-0092-A
Nut (2 pcs.) ECC1-00-0125-A
Ref electrode ECC (Ni) ECC1-00-0010-D


Heat Resistance Set

The Heat Resistance Set increases the temperature range for testing with the ECC-Air-Ni to 150 °C.

Package content
Heat Resistance Set (ECC-Series) ECC1-01-0040-A
ECC-Series Cell Cable Set HT ECE1-00-0037-B
HT Foot (heat resistant), (3 pcs) ECC1-00-0065-B
PTFE Seal (ECC Series), (10 pcs) ECC1-00-0053-B/X
Spare parts

Test cell

Ref electrode ECC (Ni)


ECC-Air-Ni wiring setup for testingECC-Air-Ni wiring setup for testing
Schematic view of the gas flow inside the ECC-Air-NiSchematic view of the gas flow inside the ECC-Air-Ni
ECC-Air-Ni test cell

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