本文用高分辨计算机像模拟(EMS)绘制晶体结构的方法,以锂离子电极材料 LixCoO2 为例,在 LiCoO2[001]和[100]晶向上计算绘制了一系列高分辨模拟像,并对照解释 Li0.70CoO2 高分辨实验像,研究结果表明通过 EMS,有利于在增加对复杂晶体结构的直观认识的基础上指导实验,达到提高材料性能的目的.
参考文献
| [1] | Van D D .High-resolution and Energy-filtered TEM of the Interface between Hematite and Ilmernite Exsohtion Lamella[J].Journal of Microscopy,1980,119:141-145. |
| [2] | Van D D;Coene W .Characterization of Nanophase Material[J].ULTRAMICROSCOPY,1984,15:29-33. |
| [3] | Wang Y M;Hu T B;Wen H et al.The Crystal Structures of Wollastonite and Pectolit[J].Philosophical Magazine Letters,1990,61:29-32. |
| [4] | Du K;Wang Y M .Epitactic Nucleation of Spinel in Aluminosilicate Gels and Its Effect on Mullite Crystallization[J].Philosophical Magazine Letters,1998,A77:217-222. |
| [5] | Stadelmann P A .Ultramicroscopy,EMS-A Software Package for Electron Diffraction Analysis and HREM Image Simulation in Materials Science[J].ULTRAMICROSCOPY,1987,21(02):131-136. |
| [6] | Stadelmann P A .Image Calculation Techniques[J].Journal of Microscopy,1995,134:210-220. |
| [7] | 闫时建,田文怀,其鲁.不同温度下合成的LiCoO2的晶体结构[J].无机化学学报,2006(02):211-216. |
| [8] | 韩志华 .一维纳米材料的制备与表征[D].北京:北京科技大学,2005. |
| [9] | Gummow R J;Thackeray M M;David W I F et al.Structure and Electrochemistry of Lithium Cobalt Oxide Synthesized at 400℃[J].Materials Research Bulletin,1992,27:327-337. |
| [10] | Gummow R J;Liles D C;Thackeray M M et al.A Reinvestigation of Lithium Cobalt Oxides with Neutron-diffraction Data[J].Materials Research Bulletin,1993,28:1177-1184. |
| [11] | Jaephil C;Byungwoo P .Preparation and Electrochemical/Thermal Properties of LiNi0.74Co0 26O2 Cathode Material[J].Journal of Power Sources,2001,89:235-239. |
| [12] | Whitfield PS.;Davidson IJ. .Microwave synthesis of Li1.025Mn1.975O4 and Li1+xMn2-xO4-yFy (x = 0.05, 0.15; y = 0.05, 0.1)[J].Journal of the Electrochemical Society,2000(12):4476-4484. |
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%