Lanthanum Strontium Cobalt Oxide (LSC641) Cathode Current Collector Slurry, 1 kg | ATOMFAIRProduct Type: SOC cathode current collector slurry
Research-grade laboratory product
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LABORATORY PROCUREMENT SUPPORT
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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Store the slurry in a cool, dry environment to prevent solvent evaporation and viscosity drift. Keep containers tightly sealed when not in use to avoid contamination and maintain product integrity.
- Storage conditions: Maintain a cool, dry storage environment to prevent solvent evaporation and viscosity changes.
- Container sealing: Keep the container tightly sealed when not in use to prevent contamination and solvent loss.
- Interfacial compatibility: Ensure the slurry is used with LSC641-based functional cathodes for optimal interfacial compatibility.
- Processing tolerance: The slurry is tolerant to common drying and firing variations, but consistent heat treatment is recommended.
- Sintering kinetics: Note that LSC641 offers slightly different sintering kinetics and adhesion properties compared to other cobaltite alternatives.
Screen-print the slurry onto the cathode substrate, then dry and fire to form a conductive current collector layer. Ensure proper sealing and storage of the remaining slurry to prevent viscosity drift.
Required Equipment: Screen printer, Drying oven, Sintering furnace
- Prepare substrate
Prepare the cathode substrate by cleaning and ensuring it is free of contaminants. - Apply slurry
Apply the slurry onto the substrate using screen printing to achieve the desired pattern. - Dry printed layer
Dry the printed layer under controlled conditions to remove solvents. - Fire dried layer
Fire the dried layer at typical sintering temperatures to achieve conductivity. - Seal container
Seal the remaining slurry container tightly after use to prevent evaporation.
How does the viscosity range of 3000–4500 mPa·s and fineness <5 μm affect the screen printing performance of the LSC641 cathode current collector slurry?
The viscosity range ensures precise screen printing with minimal bleeding, while the fineness <5 μm allows for fine pattern control and consistent film quality. These parameters are critical for achieving uniform current collector layers in both button cells and large-scale stacks.
Is the LSC641 cathode current collector slurry compatible with non-LSC641 cathode materials such as LSCF or LSM?
This slurry is specifically optimized for use with LSC641-based functional cathodes, where it demonstrates superior interfacial compatibility. It is a cobaltite-based alternative with different sintering kinetics and adhesion properties, so it may not be suitable for other cathode compositions without validation.
What storage conditions are required to maintain the specified viscosity and prevent solvent evaporation of this slurry?
Store in a cool, dry environment and keep containers tightly sealed when not in use. This prevents solvent evaporation, viscosity drift, and contamination, ensuring the slurry remains within the specified 3000–4500 mPa·s range and fineness <5 μm.
This LSC641 cathode current collector slurry is a screen-printable cobaltite-based paste with 60–75 wt.% solids, <5 μm fineness, and 3000–4500 mPa·s viscosity, engineered for interfacial compatibility with LSC641 functional cathodes in SOC button cells and large-scale stacks.
Positive
- High solids and fine particle control: 60–75 wt.% solids with fineness <5 μm enables dense, uniform current collector films after firing, supporting consistent electronic conductivity and reliable current collection in both button cells and large-scale stacks.
- Screen-printing precision via elevated viscosity: Viscosity of 3000–4500 mPa·s allows precise screen printing with minimal bleeding, facilitating fine pattern control and robust processing tolerance to typical drying and firing variations.
Trade-offs
- Solvent evaporation sensitivity: Containers must be kept tightly sealed and stored in a cool, dry environment to prevent solvent evaporation, viscosity drift, and contamination, which would compromise printability and film quality.
- Interfacial compatibility specificity: The slurry is optimized for LSC641-based cathodes; using it with other cathode compositions may require empirical validation of sintering kinetics and adhesion properties, as the cobaltite phase offers different interfacial behavior.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
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.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
