Overview of Titanium anode plate with ruthenium-iridium/iridium-tantalum coating
Tantalum (Ta) is a chemical element with the atomic number 73 and is symbolized as Ta on the periodic table. It is a dense, blue-gray, hard, and ductile transition metal. Discovered in 1802 by Anders Gustaf Ekeberg, tantalum is renowned for its high resistance to corrosion and its ability to store and release electrical charges efficiently, making it a critical material in various high-tech applications.
Feature of Titanium anode plate with ruthenium-iridium/iridium-tantalum coating
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Exceptional Corrosion Resistance: Tantalum forms a protective oxide layer that shields the metal from most acids, even at high temperatures, and is virtually impervious to chemical attacks.
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High Melting Point: With a melting point of approximately 3,017°C (5,462°F), tantalum ranks among the metals with the highest melting points, enabling its use in extreme temperature environments.
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Biocompatibility: Tantalum is well-tolerated by living tissue, making it suitable for biomedical implants such as bone replacements and surgical sutures.
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Electrical Conductivity: Although not the best conductor, tantalum has a high capacitance per volume, making it ideal for manufacturing compact capacitors used in electronic devices.
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Ductility: It can be drawn into fine wires and fabricated into various shapes without fracturing, a feature that enhances its versatility in manufacturing.
(Titanium anode plate with ruthenium-iridium/iridium-tantalum coating)
Parameters of Titanium anode plate with ruthenium-iridium/iridium-tantalum coating
The parameter “Ti:Rh Ir:Ti(Ta)” refers to the ratio of titanium to ruthenium-iridium/iridium-tanium (Ti:Rh) coatings on a Titan anode plate used in fuel cells.
The Ru:Ir ratio indicates the proportion of ruthenium relative to iridium, while the Ta ratio indicates the proportion of tantalum relative to titanium. A higher Ru:Ir ratio generally leads to improved performance and durability of the fuel cell, as it allows for better adsorption of oxygen and other contaminants. On the other hand, a higher Ta ratio can improve the performance by reducing thermal cycling resistance.
It’s worth noting that the specific values of these parameters may vary depending on the specific application and requirements of the fuel cell. Additionally, the quality and thickness of the Ti:Rh or TiTa coatings can also impact their performance.
(Titanium anode plate with ruthenium-iridium/iridium-tantalum coating)
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(Titanium anode plate with ruthenium-iridium/iridium-tantalum coating)
