SOFC/SOEC Planar Cell (5cm * 5cm or 10cm * 10cm) Test Fixture, CSOFECPCTF
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Testing planar SOFC/SOEC cells (such as the 5x5 cm or 10x10 cm formats) moves beyond material characterization and into the realm of system engineering. Unlike button cells, which are often "electrolyte-supported" for strength, planar tests are frequently anode-supported (ASC) and require sophisticated manifolding to manage gas distribution and thermal gradients over a large active area.
A standard fixture consists of four primary subsystems: (1) Manifold/Housing: Typically made of high-purity Alumina (Al2O3) to prevent chromium poisoning from stainless steel at high temperatures (>700°C). (2) Sealing Mechanism: Uses springs to push the cell against a Gold or Silver O-ring or a mineral gasket. (3) Glass/Ceramic: Uses a specialized glass sealant that melts to create a hermetic seal between the fuel and air chambers. (4) Current Collectors: Platinum, Gold, or Silver meshes and wires that press against the electrodes to extract current. (5) Gas Delivery: Inner and outer tubes that deliver precisely metered gases (e.g., humidified H2, CO2, or Air) directly to the electrode surfaces.
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| Test Fixture Features |
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| Main Specifications |
W130 * D130 * H49 mm for 10cm* 10cm cell
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| Furnace & Temperature Control Integration (Optional) |
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References:
- Y. J. Kim, et al., Evaluation of the thermal and structural stability of planar anode-supported solid oxide fuel cells using a 10 × 10 cm2 single-cell test, I. J. Hydrogen Energy, 2019, 44, 5517-5529.
- Y. Yan, et al., Performance and degradation of an SOEC stack with different cell components, Electrochimica Acta, 2017, 258, 11, 1254-1261.