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The test bench allows both the integration of a single cell with an active area of 25 cm² and small cell stacks of up to five such cells. In addition to pure steam electrolysis, the test stand is also suitable for testing co-electrolysis, in which a mixture of water and carbon dioxide is reduced to synthesis gas, a mixture of hydrogen and carbon monoxide. A special feature of the cell tester is the option of replacing the cells to be tested quickly and non-destructively while still ensuring a high level of gas-tightness of the cell housing. With the associated impedance-capable potentiostat (with booster) and an online gas analysis system, detailed information can be generated on the various loss mechanisms and by-products during electrochemical conversion, which can be used for the further development of cells.
Technical data
Cell tester
- Cell sizes: 40 mm to 70 mm diameter (round cells) or 40 mm x 40 mm to 120 mm x 120 mm (rectangular cells)
- Short stacks (up to 5 individual cells) can be used
- Educt gases: N2, air, CO,CO2, H2, H2O
- Temperature range: 600 °C to 900 °C
- Online analysis for H2,CO2, CO and CH4
Potentiostat
- Current range: 300 pA to 2 A (with booster: up to 15 A)
- Frequency range: 10 µHz to 300 kHz (with booster: 10 µHz to 100 kHz)
