Structure and electrochemical characterization of SnOx/Sn@MWCNT composites formed by pulsed ion beam irradiation

Structure and electrochemical characterization of SnOx/Sn@MWCNT composites formed by pulsed ion beam irradiation

Bibliographische Detailangaben
Parent link:	Journal of Alloys and Compounds Vol. 793.— 2019.— [P. 723-731]
Körperschaft:	Национальный исследовательский Томский политехнический университет Инженерная школа новых производственных технологий Отделение материаловедения
Weitere Verfasser:	Korusenko P. М. Petr Mikhaylovich, Nesov S. N. Sergey Nikolaevich, Bolotov V. V. Valery Viktorovich, Povoroznyuk S. N. Sergey Nikolaevich, Stenkin Yu. A. Yury Alexeevich, Pushkarev A. I. Aleksandr Ivanovich, Fedorovskaya E. O. Ekaterina Olegovna, Smirnov D. A. Dmitry Aleksandrovich
Zusammenfassung:	Title screen The influence of irradiation by pulsed ion beam on the morphology, structure, and chemical composition of a composite based on multiwalled carbon nanotubes (MWCNTs) and tin dioxide (SnO2-x@MWCNTs) was investigated. It has been established that irradiation of the composite by pulsed ion beam leads to the formation of Sn/SnOx core-shell nanoparticles, which adhere to the surface of the MWCNTs. The “core” is metallic Sn and the “shell” is amorphous SnOx. A uniform distribution of Sn/SnOx nanoparticles on the surface of the MWCNTs was noted, and the maximal concentration of tin in both volume and surface layer was achieved by triple irradiation with an energy density of 0.5?J/cm2. This composite exhibited good electrochemical performance as an anode material for lithium-ion batteries, delivering 1494?mA?h?g-1 as a first discharge capacity and 634?mA?h?g-1 discharge capacity (72% capacity retention) after 30 cycles of charge/discharge. Режим доступа: по договору с организацией-держателем ресурса
Sprache:	Englisch
Veröffentlicht:	2019
Schlagworte:	электронный ресурс труды учёных ТПУ pulsed ion beam tin-tin oxide core-shell multiwalled carbon nanotubes composite Li-ion batteries ионные пучки оксид олова оболочки нанотрубки
Online-Zugang:	https://doi.org/10.1016/j.jallcom.2019.04.066
Format:	Elektronisch Buchkapitel
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=660826

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