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LSM-YSZ Composite Cathode Powder

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LSM-YSZ Composite Cathode Powder Specification

Strength
High mechanical strength

Hardness
6.5-7 Mohs

Purity
99% min

Product Type
Composite Cathode Powder

Material
LSM-YSZ Composite

Alloy
No

Shape
Powder

Moisture
<0.2%

Chemical Composition
(La0.8Sr0.2)0.98MnO3 + Yttria-stabilized zirconia (8YSZ, ZrO2:Y2O3)

Application
Solid oxide fuel cells cathode, electrode material

Dimension (L*W*H)
Custom or powder form

Color
Grey

Conductivity
>100 S/cm at 800C

Melting Point
>2000C

Specific Surface Area
8-15 m/g

Thermal Expansion Coefficient
11-13 x10/K

Compatibility
Compatible with SOFC electrolytes

Bulk Density
~1.2 g/cm

Particle Size
<1 micron (d50)

Phase Structure
Perovskite/fluorite composite

CAS Number
1314-28-9 (ZrO2 base), 12060-41-2 (La0.8Sr0.2MnO3 base)

Storage Conditions
Store in a dry, cool place

LSM-YSZ Composite Cathode Powder Trade Information

Payment Terms
Paypal

Delivery Time
15 Days

Main Export Market(s)
Asia

Main Domestic Market
All India

About LSM-YSZ Composite Cathode Powder

LSM-YSZ Composite Cathode Powder

Product Code: 6211647

This composite cathode powder is a 50/50 wt% mixture of Lanthanum Strontium Manganite (LSM) and Yttrium Stabilized Zirconia (YSZ), and is typically used asthe first layer in a two-layer cathode, where the second (top) layer is pureLSM. This two-layer approach provides higher performance than single-layer LSMcathodes, and is best used with YSZ ceramic electrolyte materials. Our LSM/YSZ cathode material can be applied by screen printing, painting or spraying afterit is formulated into appropriate inks or suspensions.

Sincethis LSM-YSZ Cathode Powder is a mixed component powder we do not have a particle size specification. This powder uses LSM-P and YSZ8-TC as its components. The powder's particle size distribution will be bimodal once processing is complete.

This cathode powder has been created for Solid Oxide Fuel Cell (SOFC) applications in mind.

Technical Specifications:

Formulation: 50 wt%(La_0.80Sr_0.20)_0.95MnO_3-X and50 wt% (Y₂O₃)_0.08(ZrO₂)_0.92
After Reduction: 47.9 wt% (La_0.80Sr_0.20)_0.95MnO_3-X and52.1 wt% (Y₂O₃)_0.08(ZrO₂)_0.92
Surface Area: 5 - 9 m/g

Superior Performance for SOFC Applications

LSM-YSZ Composite Cathode Powder is custom-designed to deliver exceptional conductivity and mechanical stability in solid oxide fuel cells. Its perovskite/fluorite phase structure enables excellent ionic and electronic transport, crucial for high-efficiency energy production. With high thermal tolerance and a low moisture content, it maintains structural integrity and efficacy during operation at elevated temperatures.

High Purity and Precision Engineering

Manufactured to a minimum 99% purity standard, this composite powder maintains strict quality controls for reliable use in research and industry. The submicron particle size (d50 <1 micron) and a specific surface area of 8-15 m2/g promote optimal reaction kinetics and uniform microstructure in the final cathode. Careful production ensures consistency in every batch.

FAQ's of LSM-YSZ Composite Cathode Powder:

Q: How should LSM-YSZ Composite Cathode Powder be stored for optimal stability?

A: It is recommended to store LSM-YSZ Composite Cathode Powder in a dry and cool environment to prevent moisture absorption, which is critical as the product's moisture content should remain below 0.2% for best performance.

Q: What makes this composite powder suitable for use in solid oxide fuel cells (SOFCs)?

A: The powder's combination of (La0.8Sr0.2)0.98MnO3 and 8YSZ ensures a unique perovskite/fluorite structure, providing high ionic and electronic conductivity (>100 S/cm at 800C) and compatibility with standard SOFC electrolytes, making it ideal as a cathode material.

Q: When is the LSM-YSZ Composite Cathode Powder typically used in the SOFC manufacturing process?

A: This powder is commonly used during the electrode fabrication stage in SOFC production, where it is applied as the cathode layer due to its high mechanical strength and reliable conductivity at elevated temperatures.

Q: Where can the LSM-YSZ Composite Cathode Powder be sourced in the United States?

A: The powder is available through recognized distributors, manufacturers, suppliers, retailers, and traders across the United States, ensuring easy access for research and industrial customers alike.

Q: What benefits does the submicron particle size provide in practical applications?

A: A particle size below 1 micron enhances surface area and promotes effective electrochemical reactions, resulting in improved cathode performance and increased efficiency within the fuel cell.

Q: How is the powder applied to form a functional cathode in fuel cells?

A: The powder can be processed by common techniques such as screen printing, slurry casting, or pressing followed by sintering, ensuring the formation of a dense and adherent cathode layer on SOFC electrolytes.

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