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704253 Sigma-Aldrich

Lanthanum strontium cobalt ferrite

Green Alternative

composite cathode powder, LSCF/GDC

Synonym: LCSF, Lanthanum strontium cobalt iron oxide

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Properties

Related Categories Alternative Energy, Cathode Materials, Chemical Synthesis, Electrode Materials, Enabling Products,
form   powder
composition   Ce0.9Gd0.102, 50 wt. %
  La0.6Sr0.4Co0.2Fe0.8O3 , 50 wt. %
greener alternative product characteristics   Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.
particle size   0.4-0.9 μm (Horiba-centrifugal)

Description

General description

Lanthanum strontium cobalt ferrite (LSCF) is a mixed ionic and electron conducting pervoskite. The ionic conductivity is lower than YSZ although maintaining high conductivity. X-ray diffraction and electrochemical measurements of an operational LSCF cathode was conducted to study its lattice expansion during use. LSCF can be prepared by solid state reaction of individual cation oxides.

Application

LSCF may be used as cathode in solid oxide fuel cells (SOFCs).

Packaging

10 g in glass bottle

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Supplemental Hazard Statements 
Reacts violently with water.
RIDADR 
UN 3261 8 / PGII
WGK Germany 
3

Documents

Certificate of Analysis

Please Enter a Lot Number

Frequently Asked Questions

How does the storage temperature relate to shipping conditions?
The storage conditions that a Sigma-Aldrich catalog and label recommend for products are deliberately conservative. For many products, long-term storage at low temperatures will increase the time during which they are expected to remain in specification and therefore are labeled accordingly. Where short-term storage, shipping time frame, or exposure to conditions other than those recommended for long-term storage will not affect product quality, Sigma-Aldrich will ship at ambient temperature. The products sensitive to short-term exposure to conditions other than their recommended long-term storage are shipped on wet or dry ice. Ambient temperature shipping helps to control shipping costs for our customers. At any time, our customers can request wet- or dry-ice shipment, but the special handling is at customer expense if our product history indicates that the product is stable for regular shipment. See Shipping and Storage for more information.
Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
How do I find price and availability?
There are several ways to find pricing and availability for our products.Once you log onto our website, you will find the price and availability displayed on the product detail page.You can contact any of our Customer Sales and Service offices to receive a quote. USA customers: 1-800-325-3010 orview local office numbers.
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
What electrolytes can Product 704253, Lanthanum strontium cobalt - composite cathode powder, be used with?
This cathode material can be used with either ceria- or zirconia-based electrolytes.
How do I apply Product 704253, Lanthanum strontium cobalt - composite cathode powder, onto electrolyte substrates?
This material is readily mixed into an ink for coating onto electrolyte substrates, or tape casting is possible as well.
What are the benefits of Product 704253, Lanthanum strontium cobalt - composite cathode powder?
Composite cathodes are used for their enhanced catalytic activity.
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Protocols & Articles

Articles

Advances in Materials for Solid Oxide Fuel Cells

As with all types of fuel cells, a Solid Oxide Fuel Cell (SOFC) is capable of efficiently transforming chemical energy into electrical energy. However, unlike fuel cells based on proton-conducting el...
Raymond J. Gorte
Material Matters Volume 5 Article 4
Keywords: Catalysis, Electrochemical reactions, Endothermic, Gene expression, Oxidations

Peer-Reviewed Papers
15

References

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