以水热法合成的单分散碳球和三价铁盐为原料,通过水解反应和热还原得到碳球/Fe3O4“海胆”状复合材料.复合材料的结构和形貌特征通过SEM、EDS和XRD等进行表征,并通过充放电测试研究了复合材料作为锂离子电池负极材料的电化学性能.由于Fe3O4和球状碳材料各自独特的结构和优异的性能,二者之间的相互协同作用为复合材料提供了更多的储锂位点,提高了材料的电化学性能.用制得的复合物做为负极材料装配的扣式锂离子电池在电流密度为0.1A·g-1时的首次可逆放电比容量可达986 mAh·g-1,显示出优良的容量特性,但材料的倍率性能仍有待提高.
参考文献
| [1] | Jiehua Liu;Xue-Wei Liu.Two-Dimensional Nanoarchitectures for Lithium Storage[J].Advanced Materials,201230(30):4097-4111. |
| [2] | Xifei Li;Xiangbo Meng;Jian Liu;Dongsheng Geng;Yong Zhang,;Mohammad Norouzi Banis;Yongliang Li;Jinli Yang;Ruying Li;Xueliang Sun;Mei Cai;Mark W. Verbrugge.Tin Oxide with Controlled Morphology and Crystallinity by Atomic Layer Deposition onto Graphene Nanosheets for Enhanced Lithium Storage[J].Advanced functional materials,20128(8):1647-1654. |
| [3] | Peter G. Bruce;Bruno Scrosati;Jean-Marie Tarascon.Nanomaterials for Rechargeable Lithium Batteries[J].Angewandte Chemie,200816(16):2930-2946. |
| [4] | Cakan RD;Titirici MM;Antonietti M;Cui GL;Maier J;Hu YS.Hydrothermal carbon spheres containing silicon nanoparticles: synthesis and lithium storage performance[J].Chemical communications,200832(32):3759-3761. |
| [5] | Roy, Poulomi;Srivastava, Suneel Kumar.Nanostructured anode materials for lithium ion batteries[J].Journal of Materials Chemistry, A. Materials for energy and sustainability,20156(6):2454-2484. |
| [6] | Q.Q Xiong;Y. Lu;X.L. Wang.Improved electrochemical performance of porous Fe_3O_4/carbon core/shell nanorods as an anode for lithium-ion batteries[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2012:219-225. |
| [7] | Ma, Fei-Xiang;Hu, Han;Bin Wu, Hao;Xu, Cheng-Yan;Xu, Zhichuan;Zhen, Liang;Lou, Xiong Wen (David).Formation of Uniform Fe3O4 Hollow Spheres Organized by Ultrathin Nanosheets and Their Excellent Lithium Storage Properties[J].Advanced Materials,201527(27):4097-4101. |
| [8] | Jing-San Xu;Ying-Jie Zhu.Monodisperse Fe3O4 and γ-Fe2O3 Magnetic Mesoporous Microspheres as Anode Materials for Lithium-Ion Batteries[J].ACS applied materials & interfaces,20129(9):4752-4757. |
| [9] | Deshmukh, A.A.;Mhlanga, S.D.;Coville, N.J..Carbon spheres[J].Materials Science & Engineering, R. Reports: A Review Journal,20101/2(1/2):1-28. |
| [10] | Ting Zhu;Jun Song Chen;Xiong Wen (David) Lou.Glucose-Assisted One-Pot Synthesis of FeOOH Nanorods and Their Transformation to Fe3O4@Carbon Nanorods for Application in Lithium Ion Batteries[J].The journal of physical chemistry, C. Nanomaterials and interfaces,201119(19):9814-9820. |
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%