Description
Key Properties & Advantages
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Ultra-Fine Particle Size (0.2–0.4 μm): Enhances surface-to-volume ratio, maximizing active sites for oxygen reduction reactions (ORR) in SOFC cathodes and accelerating catalytic kinetics.
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High Specific Surface Area (8–12 m²/g): Provides abundant interfaces for ion and electron transport, improving electrochemical performance in energy devices.
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Low Moisture Content (≤1 wt.%): Ensures stability during storage and processing, preventing agglomeration and maintaining uniform dispersion in slurries or composites.
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Perovskite Structure Stability: Retains its ABO₃-type crystal structure under operational conditions (up to 800°C in oxidizing atmospheres), ensuring long-term durability in high-temperature applications.
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Excellent Oxygen Ion Conductivity: Cobalt-rich composition promotes oxygen vacancy formation, enabling efficient oxygen transport—critical for SOFC cathode performance and oxygen separation membranes.
Core Applications
Solid Oxide Fuel Cells (SOFCs)
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Cathode Layers: Enables high ORR activity at 600–800°C, reducing polarization resistance and improving fuel cell efficiency.
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Composite Electrodes: Compatible with electrolytes like YSZ (yttria-stabilized zirconia) or GDC (gadolinium-doped ceria), forming robust interfaces for enhanced performance.
Oxygen Separation Membranes
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Oxygen Permeation: Facilitates selective oxygen transport through dense membranes, suitable for industrial gas purification (e.g., oxygen enrichment, syngas production).
Heterogeneous Catalysis
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Oxidation Reactions: Catalyzes reactions such as CO oxidation, methane reforming, and volatile organic compound (VOC) degradation, leveraging its high surface area and redox-active cobalt sites.
Technical Specifications
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Parameter
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Details
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Chemical Composition
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La₀.₆Sr₀.₄CoO₃₋δ (perovskite structure)
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Particle Size (D50)
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0.2–0.4 μm (laser diffraction)
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Specific Surface Area
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8–12 m²/g (BET method)
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Moisture Content
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≤1 wt.% (Karl Fischer titration)
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Crystal Structure
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Cubic perovskite
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Color
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Black crystalline powder
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Quality Assurance
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X-ray diffraction (XRD) to confirm perovskite phase purity.
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Particle size analysis (laser diffraction) to verify 0.2–0.4 μm distribution.
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BET surface area measurement to validate 8–12 m²/g range.
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Moisture content testing to ensure compliance with ≤1 wt.% specification.
Packaging & Storage
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Packaging: Available in 10g, 50g, 100g, and bulk quantities, sealed in airtight aluminum foil bags or glass jars to prevent moisture absorption.
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Storage: Store in a dry, cool environment (≤25°C) away from reducing agents. Shelf life is ≥12 months under proper storage conditions.
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Handling: Use in a well-ventilated area; avoid inhalation of dust.
Why Choose LSC641?
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SOFC Cathodes: Delivers low polarization resistance and high power density in intermediate-temperature operations.
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Oxygen Membranes: Enables efficient oxygen separation for industrial gas processing.
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Catalysis: Accelerates oxidation reactions with high selectivity and stability.

