Hydrothermal Synthesis of Molybdenum Disulfide for Lithium Ion Battery Applications

›› 2010, Vol. 18 ›› Issue (6): 910-913.

Hydrothermal Synthesis of Molybdenum Disulfide for Lithium Ion Battery Applications

王石泉^1,2, 李国华³, 杜国栋⁴, 江雪娅², 冯传启², 郭再平⁴, KIM Seung-Joo⁵

1. Institue of NT-IT Fusion Technology, Ajou University, Suwon 443-749, Korea;
2. Department of Chemistry, Hubei University, Wuhan 430062, China;
3. State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang University of Technol-ogy, Hangzhou 310032, China;
4. Institute for Superconducting and Electronic Materials, University of Wollongong, Northfield Avenue, Wollon-gong, NSW 2522, Australia;
5. Division of Energy Systems Research, Ajou University, Suwon 443-749, Korea

收稿日期:2010-06-21 修回日期:2010-11-20 出版日期:2010-12-28 发布日期:2010-12-28
通讯作者: KIM Seung-Joo, E-mail: sjookim@ajou.ac.kr
基金资助:
Supported partially by the State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology,Zhejiang University of Technology;Priority Research Centers Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education,Science and Technology (2009-0094047)

Hydrothermal Synthesis of Molybdenum Disulfide for Lithium Ion Battery Applications

WANG Shiquan^1,2, LI Guohua³, DU Guodong⁴, JIANG Xueya², FENG Chuanqi², GUO Zaiping⁴, KIM Seung-Joo⁵

1. Institue of NT-IT Fusion Technology, Ajou University, Suwon 443-749, Korea;
2. Department of Chemistry, Hubei University, Wuhan 430062, China;
3. State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang University of Technol-ogy, Hangzhou 310032, China;
4. Institute for Superconducting and Electronic Materials, University of Wollongong, Northfield Avenue, Wollon-gong, NSW 2522, Australia;
5. Division of Energy Systems Research, Ajou University, Suwon 443-749, Korea

Received:2010-06-21 Revised:2010-11-20 Online:2010-12-28 Published:2010-12-28
Supported by:
Supported partially by the State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology,Zhejiang University of Technology;Priority Research Centers Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education,Science and Technology (2009-0094047)

摘要/Abstract

摘要： Molybdenum disulfide nanoflakes were synthesized by a simple hydrothermal process using sodium molybdate and thiourea as reactants at a relatively low temperature. X-ray diffraction(XRD) and transmission elec-tron microscopy(TEM) indicate that the samples have the structure of 2H-MoS₂ and the morphology of nanoflakes with the average thickness around 5-10 nm. The results of electrochemical properties indicate that the morphology and size of MoS₂ particles have effects on their capacity when they are used as the anode for lithium ion battery. The as-prepared MoS₂ samples have high reversible discharge capacity up to 994.6 mA·h·g^-1 for the MoS₂-1 elec-trode and 930.1 mA·h·g^-1 for the MoS₂-2 electrode and show excellent cycling performances. The MoS₂-1 electrode has a better cycling stability than the MoS₂-2 electrode due to their difference in the uniformity of the samples.

关键词: molybdenum disulfide, chemical synthesis, electrochemical property, electrode material

Abstract: Molybdenum disulfide nanoflakes were synthesized by a simple hydrothermal process using sodium molybdate and thiourea as reactants at a relatively low temperature. X-ray diffraction(XRD) and transmission elec-tron microscopy(TEM) indicate that the samples have the structure of 2H-MoS₂ and the morphology of nanoflakes with the average thickness around 5-10 nm. The results of electrochemical properties indicate that the morphology and size of MoS₂ particles have effects on their capacity when they are used as the anode for lithium ion battery. The as-prepared MoS₂ samples have high reversible discharge capacity up to 994.6 mA·h·g^-1 for the MoS₂-1 elec-trode and 930.1 mA·h·g^-1 for the MoS₂-2 electrode and show excellent cycling performances. The MoS₂-1 electrode has a better cycling stability than the MoS₂-2 electrode due to their difference in the uniformity of the samples.

Key words: molybdenum disulfide, chemical synthesis, electrochemical property, electrode material

王石泉, 李国华, 杜国栋, 江雪娅, 冯传启, 郭再平, KIM Seung-Joo. Hydrothermal Synthesis of Molybdenum Disulfide for Lithium Ion Battery Applications[J]. , 2010, 18(6): 910-913.

WANG Shiquan, LI Guohua, DU Guodong, JIANG Xueya, FENG Chuanqi, GUO Zaiping, KIM Seung-Joo. Hydrothermal Synthesis of Molybdenum Disulfide for Lithium Ion Battery Applications[J]. , 2010, 18(6): 910-913.

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Hydrothermal Synthesis of Molybdenum Disulfide for Lithium Ion Battery Applications

Hydrothermal Synthesis of Molybdenum Disulfide for Lithium Ion Battery Applications

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