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Iron Carbide Features
Iron carbide has excellent performance in terms of rate and electrochemical stability. It is considered to be the next-generation of anode material for lithium-ion batteries. The high thermal stability and hardness of iron carbide also allow lithium-ion batteries be used in extreme conditions.
Transition Metal Carbide Nanostructures Attract Attention
The nanostructures of the transition metal carbides, in particular iron carbide nanomaterials have received much attention from researchers due to their excellent stability, high efficiency catalyst activity, and good biological compatibility. Features: Has important application potential for nanomagnetism and Tropsch catalysis (Tropsch), electrochemical energy storage conversion and biomedicine. However, current preparation methods like solid-phase reactions, sonochemicals, and Sol-gels are often agglomerated and have difficulty controlling phase.
Iron Carbide Catalyst: Application
Zhao Yujun’s Tianjin team has been making breakthroughs by using Fe5C2 catalysts in the DMO system to produce alcohol. The researchers developed an innovative hydrogen and mixed gas carbonization, resulting in a relatively durable iron carbide catalyst.
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), so after adding Hydrogen the reaction produced methylacetate instead of ethyleneglycol 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% yield of ethanol, while the by-products were primarily MA. Fe5C2 catalysts are clearly superior to copper-based catalysts in terms of performance.
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