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Ultrafine MoO3 nanoparticles embedded in porous carbon nanofibers as Anode for High Performance Lithium-Ion Batteries

Abstract

Ultrafine MoO3 nanoparticles uniformly embedded in porous carbon nanofibers (PCNFs) anode synthesized by electrospinning are comprehensively investigated. At a carbonization temperature of 750°C, PMMA is decomposed to form a worm-like porous carbon matrix, and ultrafine MoO3 nanoparticles (3-5nm) is uniformly dispersed in carbon nanofibers. Electrochemical tests show that optimized MoO3/PCNFs shows an excellent capacity of 795.8 mAh g-1 after 100 cycles at a current density of 200 mA g-1, and also shows excellent rate performance at a high current density. The excellent performance can be attributed by the MoO3 with ultrafine crystalline particles shorten the transmission path of Li+ and porous carbon nanofibers effectively relieve volume stress caused by Li+ insertion. This work presents a facile and cost-effective approach to synthesis of high-performance electrode materials by nanostructuring and porous design.

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Publication details

The article was received on 30 Sep 2018, accepted on 01 Nov 2018 and first published on 02 Nov 2018


Article type: Research Article
DOI: 10.1039/C8QM00497H
Citation: Mater. Chem. Front., 2018, Accepted Manuscript
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    Ultrafine MoO3 nanoparticles embedded in porous carbon nanofibers as Anode for High Performance Lithium-Ion Batteries

    X. Liu, Y. Liu, X. Yan, J. Lan, Y. Yu and X. Yang, Mater. Chem. Front., 2018, Accepted Manuscript , DOI: 10.1039/C8QM00497H

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