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Monodisperse CoSb nanocrystals as high-performance anode material for Li-ion batteries

Wang, S; He, M; Walter, M; Kravchyk, KV; Kovalenko, MV; (2020) Monodisperse CoSb nanocrystals as high-performance anode material for Li-ion batteries. ChemComm 10.1039/d0cc06222g. Green open access

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Abstract

Towards enhancement of the power density of Li-ion batteries (LIBs), antimony-based intermetallic compounds have recently attracted considerable attention as compelling anode materials owing to their high rate capability as compared to state-of-the-art graphite anodes. Here we report a facile colloidal synthesis of monodisperse CoSb nanocrystals (NCs) as a model intermetallic anode material for LIBs via the reaction between Co NCs and SbCl3 in oleylamine under reducing conditions. We found that ca. 20 nm CoSb NCs exhibit enhanced cycling stability as compared to larger ca. 40 nm CoSb NCs and Sb NCs with size on the order of 20 nm.

Type: Article
Title: Monodisperse CoSb nanocrystals as high-performance anode material for Li-ion batteries
Location: England
Open access status: An open access version is available from UCL Discovery
DOI: 10.1039/d0cc06222g
Publisher version: https://doi.org/10.1039/d0cc06222g
Language: English
Additional information: This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence. See: https://creativecommons.org/licenses/by-nc/3.0/
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Chemistry
URI: https://discovery.ucl.ac.uk/id/eprint/10113639
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