One-pot synthesis of nitrogen and sulfur co-doped graphene supported MoS2 as high performance anode materials for lithium-ion batteries

One-pot synthesis of nitrogen and sulfur co-doped graphene supported MoS2 as high performance anode materials for lithium-ion batteries
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一锅法合成氮硫共掺杂石墨烯负载MoS2作为高性能锂离子电池负极材料

DOI:
10.1016/j.electacta.2015.01.193
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发表时间:
2015-09
影响因子:
6.6
通讯作者:
Shuangyin Wang
Shuangyin Wang
中科院分区:
材料科学2区
文献类型:
--
作者:
Qiuhong Liu;Zhenjun Wu;Zhaoling Ma;Shuo Dou;Jianghong Wu;Li Tao;Xin Wang;Canbing Ouyang;Anli Shen;Shuangyin Wang

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采用一锅热退火法制备了氮硫共掺杂石墨烯负载的MoS 2(MoS 2/NS-G)纳米片。采用扫描电子显微镜(SEM)、透射电子显微镜(TEM)、X射线光电子能谱(XPS)、拉曼光谱和电化学技术对样品进行了表征。在150 mA/g的电流密度下,MoS 2/NS-G的可逆容量约为1200 mAh/g,在锂离子电池中具有良好的稳定性。结果表明,N和S共掺杂石墨烯可以显著提高锂离子电池负极材料MoS 2的耐久性。
Nitrogen and sulfur co-doped graphene supported MoS2(MoS2/NS-G) nanosheets were prepared through a one-pot thermal annealing method. The as prepared samples were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), Raman spectra and electrochemical techniques. The MoS2/NS-G shows high reversible capacity about 1200 mAh/g at current density of 150 mA/g and excellent stability in Li-ion batteries. It was demonstrated the co-doping of graphene by N and S could significantly enhance the durability of MoS2as anode materials for Li-ion batteries.
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