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Cost-effective synthesis of bamboo-structure carbon nanotubes from coal for reversible lithium storage

机译:从煤中经济有效地合成竹结构碳纳米管,用于可逆锂存储

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摘要

Carbon nanotubes (CNTs) with special structures offer great benefits for energy storage applications. Herein, we reported the facile and cost-effective synthesis of bamboo-structure CNTs (B-CNTs) using coal as the precursor through an effective arc discharge process. When evaluated as an anode material for lithium-ion batteries, the B-CNTs afford a high reversible capacity of 450.1 mA?h g?1, even after 100 cycles, as well as excellent rate performance over widely varied current densities, far superior to those of commercially available graphite anodes.
机译:具有特殊结构的碳纳米管(CNT)为储能应用提供了巨大的好处。在本文中,我们报道了通过有效的电弧放电工艺,以煤为前体,以低成本,简便的方式合成竹结构碳纳米管(B-CNT)。当被评估为锂离子电池的负极材料时,即使在100次循环后,B-CNT仍具有450.1 mA?hg ?1 的高可逆容量。在广泛变化的电流密度下具有出色的倍率性能,远优于市售石墨阳极。

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