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采用水热法合成了纯MoS2及MoS2/有序介孔碳复合材料(MoS2/OMC).X射线衍射(XRD)、透射电子显微镜(TEM)、扫描电子显微镜(SEM)及循环伏安曲线(CV)等分别用来表征样品的结构、形貌及电化学性能.实验结果表明,以钼酸钠和硫脲分别为钼、硫源合成的MoS2/OMC复合材料的性能较纯MoS2有明显提升.MoS2/OMC复合材料的首次放电容量达到1247 mAh/g,第二、三次的放电容量分别为948 mAh/g、894 mAh/g,容量保持率为94%.二、三次充、放电曲线的近乎重合及高倍率下的高放电容量,亦表明该复合电极有极佳的循环稳定性及良好的可逆性.

参考文献

[1] H. S. S. Ramakrishna Matte;A. Gomathi;Arun K. Manna .MoS2 and WS2 Analogues of Graphene[J].Angewandte Chemie,2010(24):4059-4062.
[2] Yafei Li;Zhen Zhou;Shengbai Zhang;Zhongfang Chen .MoS2 Nanoribbons: High Stability and Unusual Electronic and Magnetic Properties[J].Journal of the American Chemical Society,2008(49):16739-16744.
[3] Kibsgaard J;Lauritsen JV;Laegsgaard E;Clausen BS;Topsoe H;Besenbacher F .Cluster-support interactions and morphology of MoS2 nanoclusters in a graphite-supported hydrotreating model catalyst[J].Journal of the American Chemical Society,2006(42):13950-13958.
[4] Wang, Z.;Li, H.;Liu, Z.;Shi, Z.;Lu, J.;Suenaga, K.;Joung, S.-K.;Okazaki, T.;Gu, Z.;Zhou, J.;Gao, Z.;Li, G.;Sanvito, S.;Wang, E.;Iijima, S. .Mixed low-dimensional nanomaterial: 2D ultranarrow MoS_2 inorganic nanoribbons encapsulated in quasi-1D carbon nanotubes[J].Journal of the American Chemical Society,2010(39):13840-13847.
[5] Py M A;Haering R R .Structural destabilization induced by lithium intercalation in MoS2 and related compounds[J].Canadian J Phys,1983,61(01):76.
[6] Imanishi N;Kanamura K;Takehara Z .Synthesis of MoS2 thin film by chemical vapor deposition method and discharge characteristics as a cathode of the lithium secondary battery[J].Journal of the Electrochemical Society,1992,139(08):2082.
[7] Bonneau P R;Jarvis R F;Kaner R B .Rapid solid-state synthesis of materials from molybdenum disulphide to refractories[J].NATURE,1991,349:510.
[8] Feng CQ;Huang LF;Guo ZP;Liu HK .Synthesis of tungsten disulfide (WS2) nanoflakes for lithium ion battery application[J].Electrochemistry communications,2007(1):119-122.
[9] Synthesis of molybdenum disulfide (MoS_2) for lithium ion battery applications[J].Materials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization,2009(9):1867-1870.
[10] Li H;Li W J;Ma L et al.Electrochemical lithiation/delithiation performances of 3D flowerlike MoS2 powders prepared by ionic liquid assisted hydrothermal route[J].Journal of Alloys and Compounds,2009,471:442.
[11] R. TENNE .Inorganic nanotubes and fullerene-like nanoparticles[J].Nature nanotechnology,2006(2):103-111.
[12] Zak A.;Feldman Y.;Lyakhovitskaya V.;Leitus G.;Popovitz-Biro R. Wachtel E.;Cohen H.;Reich S.;Tenne R. .Alkali metal intercalated fullerene-like MS2 (M = W, Mo) nanoparticles and their properties[J].Journal of the American Chemical Society,2002(17):4747-4758.
[13] Hwang, H.;Kim, H.;Cho, J. .MoS_2 nanoplates consisting of disordered graphene-like layers for high rate lithium battery anode materials[J].Nano letters,2011(11):4826-4830.
[14] Xu L;Ding Y S;Chen C H et al.3D flowerlike α-nickel hydroxide with enhanced electrochemical activity synthesized by microwave-assisted hydrothermal method[J].CHEMISTRY OF MATERIALS,2007,20(01):308.
[15] Mulhern P J .Lithium intercalation in crystalline LixMoS2[J].Canadian J Phys,1989,67(11):1049.
[16] Fang X;Yu X;Liao S et al.Lithium storage performance in ordered mesoporous MoS2 electrode material[J].Microporous and Mesoporous Materials,2012,151:418.
[17] Miki Y;Nakazato D;Ikuta H et al.Amorphous MoS2 as the cathode of lithium secondary batteries[J].Journal of Power Sources,1995,54(02):508.
[18] Peng Guo;Huaihe Song;Xiaohong Chen .Electrochemical performance of graphene nanosheets as anode material for lithium-ion batteries[J].Electrochemistry communications,2009(6):1320-1324.
[19] Liu H;Wang GX;Wang JZ;Wexler D .Magnetite/carbon core-shell nanorods as anode materials for lithium-ion batteries[J].Electrochemistry communications,2008(12):1879-1882.
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