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首页> 外文期刊>Applied Surface Science >Scalable synthesis SiO@C anode by fluidization thermal chemical vapor deposition in fluidized bed reactor for high-energy lithium-ion battery
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Scalable synthesis SiO@C anode by fluidization thermal chemical vapor deposition in fluidized bed reactor for high-energy lithium-ion battery

机译：高能锂离子电池流化床反应器中流化热化学气相沉积法可扩展合成SiO @ C阳极

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摘要

The traditional preparation method of silicon monoxide (SiO) electrode is suffer from easy to agglomerate, rigour synthesis conditions and high cost, which seriously impede its application in power battery. In order to restrain aggregation or cake of powder particles during heating reaction and improve the dispersion performance of SiO powders, we adopt a novel fluidization thermal chemical vapor deposition (FTCVD) synthesis strategy. The strategy of this study is carried out in a kilogram-scale fluidization bed reactor. This approach is simple, manageable, inexpensive and scalable-productive, which can use for a large-scale production and commercial application. Here, the SiO@C composite through low cost micron-scale SiO powders as raw material no further grinding. The SiO@C anode material shows a high capacity of 501 mAh g(-1) after 300 cycles at a current density of 1.2 A g(-1), and an initial coulomb efficiency of 82% and high capacity retention of 93.3%. The new method can be applied to a large-scale production and commercial application.
机译：传统的一氧化硅（SiO）电极的制备方法易结块，合成条件严格，成本高，严重阻碍了其在动力电池中的应用。为了抑制粉末颗粒在加热反应过程中的聚集或结块并提高SiO2粉末的分散性能，我们采用了一种新型的流化热化学气相沉积（FTCVD）合成策略。这项研究的策略是在公斤级流化床反应器中进行的。这种方法简单，可管理，便宜且可扩展生产，可用于大规模生产和商业应用。此处，以低成本微米级SiO粉为原料的SiO @ C复合材料无需进一步研磨。 SiO @ C阳极材料在300次循环后在1.2 A g（-1）的电流密度下显示出501 mAh g（-1）的高容量，初始库仑效率为82％，高容量保持率为93.3％。该新方法可以应用于大规模生产和商业应用。

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