以钼酸钠(Na2MoO4·2H2O)、硫脲(NH2CSNH2)、CTAB为原料,利用水热法合成了MoS2/C球状纳米花复合材料.通过XRD、SEM、TEM、TG等分析测试方法,研究了不同CTAB添加量对MoS2/C复合材料的微观结构、表面形貌的影响规律,结果显示,有部分无定形碳嵌入了MoS2层间,并抑制了MoS2(002)面的堆积.电化学测试表明:与纯MoS2相比,MoS2/C复合材料具有更好的电化学性能,当加入0.025 g CTAB时首次放电比容量达到730 mAh/g,在100 mA/g的电流密度下经过100次循环比容量稳定在415 mAh/g.在此基础上讨论了MoS2/C球状纳米花复合材料的可能生长机理以及对材料电化学性能的影响规律.
参考文献
| [1] | Rapoport L;Fleischer N;Tenne R.Applications of WS2 (MoS2) inorganic nanotubes and fullerene-like nanoparticles for solid lubrication and for structural nanocomposites[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,200518(18):1782-1788. |
| [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] | Uttam Kumar Sen;Sagar Mitra.High-Rate and High-Energy-Density Lithium-Ion Battery Anode Containing 2D MoS2 Nanowall and Cellulose Binder[J].ACS applied materials & interfaces,20134(4):1240-1247. |
| [4] | Shyamal K. Das;Rajesh Mallavajula;Navaneedhakrishnan Jayaprakash.Self-assembled MoS2-carbon nanostructures: influence of nanostructuring and carbon on lithium battery performance[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,201226(26):12988-12992. |
| [5] | Qiang Wang;Jinghong Li.Facilitated Lithium Storage in MoS2 Overlayers Supported on Coaxial Carbon Nanotubes[J].The journal of physical chemistry, C. Nanomaterials and interfaces,20074(4):1675-1682. |
| [6] | Chaofeng Zhang;Zhiyu Wang;Zaiping Guo.Synthesis of MoS2-C One-Dimensional Nanostructures with Improved Lithium Storage Properties[J].ACS applied materials & interfaces,20127(7):3765-3768. |
| [7] | Kun Chang;Weixiang Chen;Lin Ma.Graphene-like MoS_2/amorphous carbon composites with high capacity and excellent stability as anode materials for lithium ion batteries[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,201117(17):6251-6257. |
| [8] | 王臻 .类石墨烯MoS2/石墨烯复合纳米材料的合成及其电化学储锂性能的研究[D].浙江大学,2013. |
| [9] | Park, S.-K.;Yu, S.-H.;Woo, S.;Quan, B.;Lee, D.-C.;Kim, M.K.;Sung, Y.-E.;Piao, Y..A simple L-cysteine-assisted method for the growth of MoS_2 nanosheets on carbon nanotubes for high-performance lithium ion batteries[J].Dalton transactions: An international journal of inorganic chemistry,20137(7):2399-2405. |
| [10] | Xiaoming Sun;Yadong Li.Colloidal Carbon spheres and Their Core/Shell Structures with Noble-Metal Nanoparticles[J].Angewandte Chemie,20045(5):597-601. |
| [11] | 田野;何俣;尚静;朱永法.水热法合成MOS2层状材料及其结构表征[J].化学学报,2004(18):1807-1810. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%