Boron and nitrogen co-doped porous carbon nanotubes webs as a high-performance anode material for lithium ion batteries

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International Journal of Hydrogen Energy, ISSN: 0360-3199, Vol: 41, Issue: 32, Page: 14252-14260

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Zhang, Lijun; Xia, Guanglin; Guo, Zaiping; Li, Xingguo; Sun, Dalin; Yu, Xuebin
Elsevier BV
Energy; Physics and Astronomy
article description
This paper reports the fabrication of porous carbon nanotubes webs with high level of boron (15.05 at.%) and nitrogen (6.71 at.%) co-doping (denote as BN-PCNTs) by using polypyrrole (PPy) nanotubes as the precursor. Instead of using virulent boron hydride, ammonia borane (NH 3 BH 3, denote as AB), a versatile and non-toxic agent, was employed as an effective heteroatoms sources to induce B and N co-doping in mild conditions. Benefiting from the porous nanotube structure and high-level B, N co-doping, the BN-PCNTs exhibit high reversible capacity (∼900 mAh g −1 at a current density of 200 mA g −1 ) with good cycling and rate performances as anode materials in lithium ion batteries.