| Catalogue Code | IN-CaCrLa |
| CAS No. | 12017-94-6 |
| Chemical Formula | LaxCa1-xCr oxide |
| Compound Name | Lanthanum Calcium Chromate |
Introduction
Lanthanum Calcium Chromate (LaₓCa₁₋ₓCrO₃) is a promising cathode material for solid oxide fuel cells. It exhibits excellent ionic conductivity, thermal stability, and chemical degradation resistance, making it suitable for high-temperature applications. The combination of lanthanum, calcium, and chromium oxide offers balanced strength and high-temperature performance. This material enhances energy conversion efficiency by enhancing ion transport and supporting redox reactions. Its high purity is essential for optimized electrochemical performance and the long-term reliability of a fuel cell system.
Properties of Lanthanum Calcium Chromate
The properties of Lanthanum Calcium Chromate are as follows:
| Properties | Details |
| Appearance | Gray or black powder |
| Molar Mass | 321 g/mol |
| Curie Temperature | 200-300°C |
| Thermal Conductivity | 1-5 W/m·K |
| Melting Point | 1600°C |
Applications
Here are some applications of Lanthanum Calcium Chromate (LaxCa1-xCrO₆):
- Improving Fuel Cell Efficiency: As a cathode material in SOFCs, LaxCa1-xCrO₆ contributes to much more perfect ionic conductivity and reduced activation energy barriers, which can overcome efficiency problems issued by the dominant technologies used in fuel cells.
- Thermal Stability: The complex’s high-temperature stability is exceptional; it can be used at any operational temperature. Therefore, it surpasses the existing failures associated with thermal degradation in fuel cell components and extends their operating life.
- Resistance to redox cycling: The compound’s favorable redox properties also contribute to alleviating performance degradation through redox cycling, a recognized deficiency of fuel cells associated with low-term reliability and efficiency.
- Compatibility with Electrolytes: LaxCa1-xCrO₆ is relatively compatible with numerous electrolyte materials, which allows the making of hybrid systems that optimize the fuel cell’s overall performance in terms of maximum yield, compatibility issues often found in multi-layered designs, etc.
- Advanced coatings for durability: It is a protective coating over other fuel cell components. It enhances resistance to chemical attack and thermal cycling, solving the durability concern by designing enhanced and reliable systems.
- Electrochemical Stability in Harsh Environments: The compound’s Chemical stability allows operation under the most severe conditions, which will solve material degradation and performance loss concerning such state-of-the-art fuel cell technologies.
FAQs
Answere: The compound tends to increase ionic conductivity, reducing activation energy barriers and addressing most of the inefficiency problems found in current fuel cell technologies.
Answere: LaxCa1-xCrO₆ offers improved efficiency, enhanced durability, better thermal stability, and compatibility with various materials. These features help bring fuel cell technologies closer to full realization.
Answere: The perovskite structure provides excellent ionic conductivity and thermal stability, making LaxCa1-xCrO₆ ideal for high-temperature electrochemical applications like fuel cells.
Answere: LaxCa1-xCrO₆ has improved thermal stability and redox resistance over conventional cathode materials, making it a more reliable high-temperature cathode application.
sachin
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