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High Capacity and Excellent Stability of Lithium Ion Battery Anode Using Interface-Controlled Binder-Free Multiwall Carbon Nanotubes Grown on Copper

descriptionPublicationkeyboard_double_arrow_right Article , Journal 04 May 2010Publisher:American Chemical Society (ACS)Journal:ACS Nano, volume 4, pages 3,440-3,446 (issn: 1936-0851, eissn: 1936-086X,

Authors: Sung-Woo Oh; Sungjin Cho; Rajarshi Banerjee; Wonbong Choi; Wonbong Choi; Jun Y. Hwang; Yang-Kook Sun; +1 Authors

doi: 10.1021/nn100400r

pmid: 20441185

High Capacity and Excellent Stability of Lithium Ion Battery Anode Using Interface-Controlled Binder-Free Multiwall Carbon Nanotubes Grown on Copper

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Abstract

We present a novel binder-free multiwall carbon nanotube (MWCNT) structure as an anode in Li ion batteries. The interface-controlled MWCNT structure, synthesized through a two-step process of catalyst deposition and chemical vapor deposition (CVD) and directly grown on a copper current collector, showed very high specific capacity, almost three times as that of graphite, excellent rate capability even at a charging/discharging rate of 3 C, and no capacity degradation up to 50 cycles. Significantly enhanced properties of this anode could be related to high Li ion intercalation on the carbon nanotube walls, strong bonding with the substrate, and excellent conductivity.

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Keywords

Nanotubes, Carbon, Equipment Design, Lithium, Equipment Failure Analysis, Electric Power Supplies, Energy Transfer, Materials Testing, Nanotechnology, Particle Size, Electrodes, Copper

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	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	187
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	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 1%