LSGM Electrolyte Disk for Intermediate Temperature SOFC/SOEC Button Cell Test, CITSOFECLSGMED
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In the testing of Solid Oxide Fuel Cells (SOFC) and Electrolysis Cells (SOEC), an LSGM electrolyte disk (typically La0.8Sr0.2Ga0.8Mg0.2O3) is used as the high-performance structural support for "button cells." Because LSGM is a superior oxide-ion conductor to YSZ at intermediate temperatures, these disks allow researchers to study electrode kinetics at 600 °C–700°C without the massive ohmic losses of zirconia.
For a standard laboratory button cell test, LSGM disks usually follow these parameters: (1) Diameter: 20 mm or 25 mm (Standard for ProboStat or NorECs test fixtures). (2) Thickness: 200 um to 500 um (Electrolyte-supported configuration). (3) Density: >98% of theoretical density (must be helium leak-tight). (4) Surface Finish: Lapped or polished to ensure a flat interface for screen-printing electrodes.
| Part Number |
CITSOFECLSGMED (C-ITSOFEC-LSGMED) |
| Chemical Formula |
La0.8Sr0.2Ga0.8Mg0.2O3-δ |
| Active Powder | |
| Electrolyte Disk Size/Thickness |
(1) D15 mm + T300 um (2) D15 mm + T400 um (3) D15 mm + T550 um (4) D20 mm + T550 um |
| Package Grade |
1 pcs/pack (bulk quantity can be supplied upon request and certain discount will be applied) |
References:
- S. Kim, et al., Revolutionizing hydrogen production with LSGM-based solid oxide electrolysis cells: An innovative approach by sonic spray, Electrochimica Acta, 2023, 463, 142751.
- K. Y. Kim, et al., Characterization of the electrode and electrolyte interfaces of LSGM-based SOFCs, Silid State Ionics, 2006, 177, 2155-2158.