Reduced graphene oxide anchored tin sulfide hierarchical microspheres with superior Li-ion storage performance

时间:2018-05-25作者:浏览量:180


标题

Reduced graphene oxide anchored tin sulfide hierarchical microspheres with superior Li-ion storage performance

作者

作者:Jin, HQ (Jin, Haiquan)[1 ]; Gu, MZ (Gu, Mingzhe)[1 ]; Ji, SM (Ji, Shaomin)[1,4 ]; Xu, XJ (Xu, Xijun)[1 ]; Liu, J (Liu, Jun)[2,3 ]

期刊信息


IONICS


卷:22

期:10

页:1811-1818

DOI:10.1007/s11581-016-1712-3

出版年:OCT 2016

文献类型:Article

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摘要

Tin-based composites are promising high-capacity anode materials for Li-ion batteries, but they usually exhibit poor cycling stability because of their large volume expansion during the Li uptake and release process. We reported a facile solvothermal method to produce nanosheet-assembled SnS microspheres and a rational strategy to improve the electrochemical performance of SnS microspheres by anchoring on reduced graphene oxide (RGO) networks. The as-prepared SnS/RGO nanocomposites were characterized by XRD, SEM, TEM, TGA, and Raman spectra. The electrochemical results show that the SnS/RGO electrode exhibited high reversible capacity and good cycling stability (delivered a capacity of 760 mAh g(-1) after 100 cycles at a current density of 100 mA g(-1)). The superior electrochemical performance can be attributed to the large available surface area, high conductivity, and fast transportation of electrons and Li-ions; these are benefited from the unique hybrid structure and the synergistic effect between SnS and RGO.

关键词

作者关键词:Sulfide; Nanostructures; Chemical synthesis; Electrochemical properties; Energy storage

作者信息

作者信息

通讯作者地址:Ji, SM (通讯作者)

显示更多Xiangtan Univ, Sch Mat Sci & Engn, Key Lab Low Dimens Mat & Applicat Technol, Minist Educ, Xiangtan 411105, Peoples R China.
通讯作者地址:Liu, J (通讯作者)
显示更多South China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510641, Guangdong, Peoples R China.


地址:

显示更多[ 1 ] Xiangtan Univ, Sch Mat Sci & Engn, Key Lab Low Dimens Mat & Applicat Technol, Minist Educ, Xiangtan 411105, Peoples R China
显示更多[ 2 ] South China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510641, Guangdong, Peoples R China
显示更多[ 3 ] South China Univ Technol, Guangdong Prov Key Lab Adv Energy Storage Mat, Guangzhou 510641, Guangdong, Peoples R China
显示更多[ 4 ] Guangdong Univ Technol, Sch Chem Engn & Light Ind, Guangzhou 510006, Guangdong, Peoples R China


电子邮件地址:smji@xtu.edu.cn; msjliu@scut.edu.cn

出版商

研究方向:Chemistry; Electrochemistry; Physics

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