Solid Oxide Electrolytes - Electrolyte substrates

  • Partially stabilized zirconia compositions
  • Fully stabilized zirconia compositions
  • Compromise zirconia compositions
  • Custom geometry options

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Separates anode and cathode while conducting oxygen ions in solid-oxide cells. Doped zirconia conducts oxygen ions at 750-950 °C while remaining gas-tight. Design details include partially stabilized, fully stabilized and compromise zirconia compositions with custom geometry options. Supported applications include SOFC and SOEC cell manufacture. Verified configuration details include material variants trade mechanical strength against ionic conductivity.

Use Cases

  • SOFC and SOEC cell manufacture

Capabilities

  • Material variants trade mechanical strength against ionic conductivity
  • Conducts oxygen ions at elevated temperatures
  • Provides gas-tight separation between electrodes
  • Enables solid oxide cell manufacturing
KERAFOL Keramische Folien GmbH & Co. KG Kerafol Keramische Folien GmbH & Co. KG (KERAFOL), founded in 1985 and headquartered in Eschenbach, Bavaria, Germany with over 200 employees, is a family-run specialist in Thermal Management and Technical Ceramics, developing and manufacturing ceramic tapes for versatile applications used unsintered as final products or sintered into planar ceramic components across microelectronics, filtration, sensor technology, and Solid Oxide Fuel Cell (SOFC) applications. The company's electrolyte substrates, offered with different dopant elements (yttria, scandia, and ceria stabilization of zirconia-based materials), provide customers a choice between higher power density or higher mechanical stability options -- with 3YSZ and 6ScSZ formulations offered down to 40 micrometers thickness due to high mechanical stability and flexibility -- while KeraCell III electrode materials deliver high performance for both SOFC and SOEC (Solid Oxide Electrolysis Cell) applications, applicable to both hydrogen-consuming fuel cells and hydrogen-producing electrolyzers. KERAFOL's core SOFC/SOE component portfolio spans electrolyte substrates, electrolyte-supported cells, glass sealing tapes (for stack sealing), and cell measurement services, with custom geometries available beyond standard 50x50mm and 100x100mm formats through laser or waterjet cutting, all manufactured under EN ISO 9001:2015 quality assurance and EN ISO 14001 environmental standards. Under the motto 'KERAFOL makes electronics cool,' the company continues advancing its ceramic tape development, filtration ceramics, and SOFC/SOEC electrolyte substrate technology as key future technologies, applying its polymer technology and ceramic filler handling expertise to serve the growing high-temperature electrochemical energy conversion and storage market.

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