SSZ Scandia Ceria Stabilized Zirconia Powder, D50 0.2-0.5 μm, 1 kg | ATOMFAIRProduct Type: SOC zirconia-based electrolyte powder
Research-grade laboratory product
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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This document outlines the storage and handling constraints for the SSZ scandia ceria stabilized zirconia powder to maintain its performance and prevent degradation. The powder is moisture-sensitive and requires airtight storage in a dry environment to preserve its low moisture content and sinterability.
- Moisture Control: Store the powder in a dry environment and keep the container tightly sealed when not in use to prevent moisture uptake and contamination.
- Sintering: Sinter the powder at moderate firing schedules to achieve a dense electrolyte layer, as recommended by its fine particle size and sinterability.
How does the ionic conductivity of SSZ Scandia Ceria Stabilized Zirconia Powder compare to conventional YSZ for SOFC/SOEC electrolytes?
This SSZ powder offers superior ionic conductivity compared to conventional YSZ electrolytes, enabling efficient oxygen-ion transport at reduced operating temperatures below 750 °C. The composition (Sc₂O₃)₀.₁(CeO₂)₀.₀₁(ZrO₂)₀.₈₉ provides a stabilized cubic phase that maintains high conductivity over extended operation, making it advantageous for next-generation SOFC/SOEC systems requiring low ohmic losses.
What are the critical handling and storage requirements for this scandia ceria stabilized zirconia powder to prevent performance degradation?
The powder must be stored in a dry environment and containers must be kept tightly sealed when not in use to prevent moisture uptake and contamination. With a moisture specification of <1 wt.% and a D50 particle size of 0.2–0.5 μm, exposure to humidity can cause agglomeration or alter sintering behavior, compromising the dense electrolyte layer formation required for optimal ionic conductivity in SOC devices.
What particle size and surface area characteristics are specified for this SSZ electrolyte powder, and how do they impact sintering and cell performance?
The powder has a D50 particle size of 0.2–0.5 μm and a specific surface area of 10–15 m²/g, with a spray-dried granulated morphology. These fine particles enable excellent sinterability at moderate firing schedules, facilitating the formation of dense electrolyte layers that minimize ohmic losses and support efficient low-temperature operation below 750 °C in SOFC/SOEC systems.
This scandia-ceria stabilized zirconia powder provides superior oxygen-ion conductivity over YSZ and enables efficient SOFC/SOEC operation below 750 °C, but its fine particle size and high surface area demand strict moisture-controlled storage to maintain the specified <1 wt.% moisture limit.
Positive
- High ionic conductivity: Superior oxygen-ion transport compared to conventional YSZ electrolytes, reducing ohmic losses in the intermediate temperature range.
- Low-temperature operation enabler: Supports efficient cell performance below 750 °C, making it suitable for next-generation SOFC/SOEC systems where reduced operating temperatures are desired.
Trade-offs
- Moisture sensitivity: Requires dry storage and tightly sealed containers to prevent moisture uptake and contamination, as the powder has a specified moisture content below 1 wt.% and a high specific surface area of 10-15 m²/g.
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To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
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