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Iron Carbide Features
Iron carbide has high conductivity and electrochemical performance. It is considered to be the next-generation of anode material for lithium-ion batteries. It is also characterized by high hardness and stability. This allows lithium-ion batteries be used in extreme conditions.
Transition Metal Carbide Nanostructures Attract Attention
The nanostructures of the transition metal carbides have received much attention in recent years. This is especially true for iron carbide nanomaterials due to their excellent stability, high catalytic efficiency, and good biocompatibility. Features: Has important applications in the fields such as nanomagnetism and Tropsch catalysis (Tropsch), electrochemical energy storage conversion, and medicine. However, the commonly used methods of preparation, such as the solid-phase reaction and sonochemical methods and sol-gel, are often agglomerated and have difficulty controlling phase.
Iron Carbide Catalyst: Application
Zhao Yujun and his team from Tianjin have made great progress using Fe5C2 catalysts in the DMO system to produce alcohol. The researchers developed an innovative hydrogen and mixed gas carbonization, and then obtained a relatively durable iron carbide catalyst mostly composed of Fe5C2 within a reaction atmospheric.
Further studies found that the DMO hydrogenation reaction route using Fe5C2 was different from that of copper-based catalysts, in part because Fe5C2 could selectively activate -OH on the intermediate product methylglycolate (MG), such that adding hydrogen produced methylacetate (MA) rather than ethylene glycol on copper-based cats. MA can be further hydrogenated on Fe5C2 with high selectivity to produce alcohol. Fe5C2 did not have significant CC bond-breaking activity. The higher reaction temperature (260 degrees Celsius) resulted in a 90% ethanol production, while the main by-products were MA. Fe5C2 catalysts are clearly superior to copper-based catalysts in terms of performance.
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