A Facile Synthesis of MoS2/g-C3N4 Composite as an Anode Material with Improved Lithium Storage Capacity

The demand for well-designed nanostructured composites with enhanced electrochemical performance for lithium-ion batteries electrode materials has been emerging. In order to improve the electrochemical performance of MoS2-based anode materials, MoS2 nano...

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Main Authors:	Ha Tran Huu, Xuan Dieu Nguyen Thi, Kim Nguyen Van, Sung Jin Kim, Vien Vo
Format:	Article
Language:	English
Published:	MDPI AG 2019-05-01
Series:	Materials
Subjects:	MoS<sub>2</sub> g-C<sub>3</sub>N<sub>4</sub> MoS<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> composite anode materials lithium-ion battery
Online Access:	https://www.mdpi.com/1996-1944/12/11/1730

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spelling	doaj-eb896c2f7b964199a455e1673f1d6a172020-11-25T00:49:16ZengMDPI AGMaterials1996-19442019-05-011211173010.3390/ma12111730ma12111730A Facile Synthesis of MoS<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> Composite as an Anode Material with Improved Lithium Storage CapacityHa Tran Huu0Xuan Dieu Nguyen Thi1Kim Nguyen Van2Sung Jin Kim3Vien Vo4Department of Chemistry, Quy Nhon University, 170 An Duong Vuong, Quy Nhon 55100, VietnamDepartment of Chemistry and Nano Science, Ewha Womans University, Seoul 120-750, KoreaDepartment of Chemistry, Quy Nhon University, 170 An Duong Vuong, Quy Nhon 55100, VietnamDepartment of Chemistry and Nano Science, Ewha Womans University, Seoul 120-750, KoreaDepartment of Chemistry, Quy Nhon University, 170 An Duong Vuong, Quy Nhon 55100, VietnamThe demand for well-designed nanostructured composites with enhanced electrochemical performance for lithium-ion batteries electrode materials has been emerging. In order to improve the electrochemical performance of MoS<sub>2</sub>-based anode materials, MoS<sub>2</sub> nanosheets integrated with g-C<sub>3</sub>N<sub>4</sub> (MoS<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> composite) was synthesized by a facile heating treatment from the precursors of thiourea and sodium molybdate at 550 °C under N<sub>2</sub> gas flow. The structure and composition of MoS<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> were confirmed by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, infrared spectroscopy, X-ray photoelectron spectroscopy, thermogravimetric analysis and elemental analysis. The lithium storage capability of the MoS<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> composite was evaluated, indicating high capacity and stable cycling performance at 1 C (A·g<sup>−1</sup>) with a reversible capacity of 1204 mA·h·g<sup>−1</sup> for 200 cycles. This result is believed the role of g-C<sub>3</sub>N<sub>4</sub> as a supporting material to accommodate the volume change and improve charge transport for nanostructured MoS<sub>2</sub>. Additionally, the contribution of the pseudocapacitive effect was also calculated to further clarify the enhancement in Li-ion storage performance of the composite.https://www.mdpi.com/1996-1944/12/11/1730MoS<sub>2</sub>g-C<sub>3</sub>N<sub>4</sub>MoS<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> compositeanode materialslithium-ion battery
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Ha Tran Huu Xuan Dieu Nguyen Thi Kim Nguyen Van Sung Jin Kim Vien Vo
spellingShingle	Ha Tran Huu Xuan Dieu Nguyen Thi Kim Nguyen Van Sung Jin Kim Vien Vo A Facile Synthesis of MoS<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> Composite as an Anode Material with Improved Lithium Storage Capacity Materials MoS<sub>2</sub> g-C<sub>3</sub>N<sub>4</sub> MoS<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> composite anode materials lithium-ion battery
author_facet	Ha Tran Huu Xuan Dieu Nguyen Thi Kim Nguyen Van Sung Jin Kim Vien Vo
author_sort	Ha Tran Huu
title	A Facile Synthesis of MoS<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> Composite as an Anode Material with Improved Lithium Storage Capacity
title_short	A Facile Synthesis of MoS<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> Composite as an Anode Material with Improved Lithium Storage Capacity
title_full	A Facile Synthesis of MoS<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> Composite as an Anode Material with Improved Lithium Storage Capacity
title_fullStr	A Facile Synthesis of MoS<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> Composite as an Anode Material with Improved Lithium Storage Capacity
title_full_unstemmed	A Facile Synthesis of MoS<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> Composite as an Anode Material with Improved Lithium Storage Capacity
title_sort	facile synthesis of mos<sub>2</sub>/g-c<sub>3</sub>n<sub>4</sub> composite as an anode material with improved lithium storage capacity
publisher	MDPI AG
series	Materials
issn	1996-1944
publishDate	2019-05-01
description	The demand for well-designed nanostructured composites with enhanced electrochemical performance for lithium-ion batteries electrode materials has been emerging. In order to improve the electrochemical performance of MoS<sub>2</sub>-based anode materials, MoS<sub>2</sub> nanosheets integrated with g-C<sub>3</sub>N<sub>4</sub> (MoS<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> composite) was synthesized by a facile heating treatment from the precursors of thiourea and sodium molybdate at 550 °C under N<sub>2</sub> gas flow. The structure and composition of MoS<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> were confirmed by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, infrared spectroscopy, X-ray photoelectron spectroscopy, thermogravimetric analysis and elemental analysis. The lithium storage capability of the MoS<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> composite was evaluated, indicating high capacity and stable cycling performance at 1 C (A·g<sup>−1</sup>) with a reversible capacity of 1204 mA·h·g<sup>−1</sup> for 200 cycles. This result is believed the role of g-C<sub>3</sub>N<sub>4</sub> as a supporting material to accommodate the volume change and improve charge transport for nanostructured MoS<sub>2</sub>. Additionally, the contribution of the pseudocapacitive effect was also calculated to further clarify the enhancement in Li-ion storage performance of the composite.
topic	MoS<sub>2</sub> g-C<sub>3</sub>N<sub>4</sub> MoS<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> composite anode materials lithium-ion battery
url	https://www.mdpi.com/1996-1944/12/11/1730
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_version_	1725251991588831232

A Facile Synthesis of MoS<sub>2</sub>/g-C<sub>3</sub>N<sub>4</sub> Composite as an Anode Material with Improved Lithium Storage Capacity

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