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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Synthesis of nanorod-FeP@C composites with hysteretic lithiation in lithium-ion batteries
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Synthesis of nanorod-FeP@C composites with hysteretic lithiation in lithium-ion batteries

机译：锂离子电池中具有滞后锂化作用的纳米棒-FeP @ C复合材料的合成

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Nanorod-FeP@C composites are synthesized via a one-pot solution reaction of ferrocene (Fe(C5H5)(2)) with excess triphenylphosphine (PPh3) in sealed vacuum tubes at 390 degrees C, in which PPh3 is used as both the phosphorus source and solvent in the reaction. The structure and lithium storage performance of the as-prepared nanorod-FeP@C composites are intensively characterized, and it is interesting that the composites exhibit an increased capacity during cycling serving as anode materials for lithium-ion batteries (LIBs). Meanwhile, mechanism investigations reveal that the capacity increase of the composites results from a hysteretic lithiation of the nanostructured FeP phase due to the coating of the carbon shell in the composites. Meanwhile, cyclic stability investigation shows that the composites have a very good cyclic stability that shows potential for the composites with a long lifespan as a promising kind of anode material.
机译：纳米棒-FeP @ C复合材料是通过二茂铁（Fe（C5H5）（2））与过量的三苯膦（PPh3）在密封真空管中于390摄氏度下的一锅溶液反应而合成的，其中PPh3用作磷源和反应中的溶剂。强烈表征了所制备的纳米棒-FeP @ C复合材料的结构和锂存储性能，有趣的是，复合材料在循环过程中显示出更高的容量，可作为锂离子电池（LIB）的负极材料。同时，机理研究表明，复合材料的容量增加是由于复合材料中碳壳的涂层导致的纳米结构FeP相的滞后锂化。同时，循环稳定性研究表明该复合材料具有很好的循环稳定性，显示出作为具有前景的负极材料具有长寿命的复合材料的潜力。

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