借助机械球磨法,成功地利用层状硫化物MoS2对膨胀石墨实现了有效剥离,得到石墨烯与MoS2的复合材料.球磨处理后,元素C均匀地分散在复合材料中.MoS2与膨胀石墨的质量比越高,得到的复合材料中具有石墨烯特征的石墨就越多,但相应的石墨烯的缺陷也越多.优化后的复合材料用作锂离子电池负极材料时显示出良好的电池性能,在小倍率0.1 Ah/g电流密度下充放电循环70次后,电池容量仍保持在～570 mAh/g;在大倍率1A/g电流密度下充放电循环55次后,电池容量仍能保持在～450 mAh/g.
参考文献
| [1] | Liwen Ji;Zhan Lin;Mataz Alcoutlabi;Xiangwu Zhang.Recent developments in nanostructured anode materials for rechargeable lithium-ion batteries[J].Energy & environmental science: EES,20118(8):2682-2699. |
| [2] | Tyler Stephenson;Zhi Li;Brian Olsen;David Mitlin.Lithium ion battery applications of molybdenum disulfide (MoS_2) nanocomposites[J].Energy & environmental science: EES,20141(1):209-231. |
| [3] | Chang, K.;Chen, W..L -Cysteine-assisted synthesis of layered MoS_2/graphene composites with excellent electrochemical performances for lithium ion batteries[J].ACS nano,20116(6):4720-4728. |
| [4] | Chenyang Zhao;Junhua Kong;Xiayin Yao.Thin MoS2 Nanoflakes Encapsulated in Carbon Nanofibers as High-Performance Anodes for Lithium-Ion Batteries[J].ACS applied materials & interfaces,20149(9):6392-6398. |
| [5] | McCreary, Kathleen M.;Hanbicki, Aubrey T.;Robinson, Jeremy T.;Cobas, Enrique;Culbertson, James C.;Friedman, Adam L.;Jernigan, Glenn G.;Jonker, Berend T..Large-Area Synthesis of Continuous and Uniform MoS2 Monolayer Films on Graphene[J].Advanced functional materials,201441(41):6449-6454. |
| [6] | Jing, Yu;Ortiz-Quiles, Edwin O.;Cabrera, Carlos R.;Chen, Zhongfang;Zhou, Zhen.Layer-by-Layer Hybrids of MoS2 and Reduced Graphene Oxide for Lithium Ion Batteries[J].Electrochimica Acta,2014:392-400. |
| [7] | Radisavljevic, B.;Radenovic, A.;Brivio, J.;Giacometti, V.;Kis, A..Single-layer MoS2 transistors[J].Nature nanotechnology,20113(3):147-150. |
| [8] | Tianquan Lin;Yufeng Tang;Yaoming Wang;Hui Bi;Zhanqiang Liu;Fuqiang Huang;Xiaoming Xie;Mianheng Jiang.Scotch-tape-like exfoliation of graphite assisted with elemental sulfur and graphene-sulfur composites for high-performance lithium-sulfur batteries[J].Energy & environmental science: EES,20134(4):1283-1290. |
| [9] | 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,200849(49):16739-16744. |
| [10] | 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,201039(39):13840-13847. |
| [11] | Shubin Yang;Xinliang Feng;Linjie Zhi;Qian Cao;Joachim Maier;Klaus Muellen.Nanographene-Constructed Hollow Carbon Spheres and Their Favorable Electroactivity with Respect to Lithium Storage[J].Advanced Materials,20107(7):838-842. |
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