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首页> 外文期刊>Materials Science and Engineering >Diatom-frustule catalyst supported multiwalled carbon nanotubes: Scalable and cost-effective synthesis and stable anode for lithium-ion battery
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Diatom-frustule catalyst supported multiwalled carbon nanotubes: Scalable and cost-effective synthesis and stable anode for lithium-ion battery

机译：硅藻粉催化剂负载的多壁碳纳米管：用于锂离子电池的可扩展且经济高效的合成和稳定的阳极

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摘要

Multiwalled carbon nanotubes have interesting electrochemical properties that can be utilized for the energy storage application. However, the practical application of multiwalled carbon nanotubes is limited by the current techniques to provide large scale production. So, the large scale production of multiwalled carbon nanotubes is obtained by catalytic chemical vapor deposition of acetylene/liquified petroleum gas on diatom supported Mischmetal based nickel alloy catalyst. The developed multiwalled carbon nanotubes are uniform in diameter and the method of production does not require any process of purification. The multiwalled carbon nanotubes along with the presence of diatom is used as the high capacity anode for the lithium-ion battery. The interaction of lithium ions with both multiwalled carbon nanotubes and diatom increases the specific capacity to 1090 mAh g~(-1) at 0.05 A g~(-1) with cyclic durability of 2000 cycles. This work demonstrates a scalable method for the production of multiwalled carbon nanotubes from a cost-effective catalyst with the benefit of utilizing it as a high capacity anode material for lithium-ion battery.
机译：多壁碳纳米管具有有趣的电化学性能，可用于储能施加。然而，多壁碳纳米管的实际应用受到当前技术提供大规模生产的限制。因此，通过在硅藻基镍基镍合金催化剂上催化化学气体沉积乙炔/液化石油气的催化化学气相沉积获得多壁碳纳米管的大规模生产。开发的多壁碳纳米管直径均匀，生产方法不需要任何纯化过程。多壁碳纳米管以及硅藻的存在用作锂离子电池的高容量阳极。锂离子与多壁碳纳米管和硅藻的相互作用在0.05Ag〜（-1）的循环耐久性的0.05Ag〜（-1）中增加了1090mAhg〜（-1）的比。该工作证明了一种可扩展的方法，用于从经济高效的催化剂生产多壁碳纳米管，其有益于利用它作为锂离子电池的高容量阳极材料。

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