通过阳极氧化铝模板辅助溶胶-凝胶法制备了带有一维纳米阵列结构的LiFePO4薄膜.其中,柠檬酸不仅起到络合剂的作用,还为体系提供了碳源.采用XRD、TEM、SEM等测试手段对试样进行了表征,结果表明,制备的LiFePO4结晶良好.同时考察了不同条件对沉积LiFePO4纳米线的影响,确定了沉积纳米线的优化条件:真空沉积,溶胶浓度为0.25 mol/L,沉积次数为3次,去模板时间为40 min,冷冻干燥.
参考文献
| [1] | Tarascon J M;Armand M .Issues and challenges facing rechargeable lithium batteries[J].Nature,2001,414(6861):359. |
| [2] | Cheng F;Tao Z;Liang J;Chen J .Template-directed materials for rechargeable lithium-ion batteries[J].Chemistry of Materials: A Publication of the American Chemistry Society,2008(3):667-681. |
| [3] | Viswanathan S. Saji;Young-Soo Kim;Tae-Hee Kim .One-dimensional (1D) nanostructured and nanocomposited LiFePO4: its perspective advantages for cathode materials of lithium ion batteries[J].Physical chemistry chemical physics: PCCP,2011(43):19226-19237. |
| [4] | Fei Teng;Sunand Santhanagopalan;Ryan Lemmens .In situ growth of LiFePO4 nanorod arrays under hydrothermal condition[J].Solid state sciences,2010(5):952-955. |
| [5] | Akira Kuwahara;Shiny a Suzuki;Masaru Miyayama .High-rate properties of LiFePO_4/carbon composites as cathode materials for lithium-ion batteries[J].CERAMICS INTERNATIONAL,2008(4):863-866. |
| [6] | Liu Y Y;Cao C B .Enhanced elelctrochemical performance of nano-sized LiFePO4/C synthesized by an ultrasonic-assisted co-precipitation method[J].Electrochimica Acta,2010,55(16):4694. |
| [7] | Chung S Y;Bloking J T;Chiang Y M .Electronically conductive phospho-olivines as lithium storage electrodes[J].Nature Materials,2002,1(02):123. |
| [8] | Yong Lei;Weiping Cai;Gerhard Wilde .Highly ordered nanostructures with tunable size, shape and properties: A new way to surface nano-patterning using ultra-thin alumina masks[J].Progress in materials science,2007(4):465-539. |
| [9] | Hoi-Wei Liang;Shuo Liu;Shu-Hong Yu .Controlled Synthesis of One-Dimensional Inorganic Nanostructures Using Pre-Existing One-Dimensional Nanostructures as Templates[J].Advanced Materials,2010(35):3925-3937. |
| [10] | Martin C R .Nanomaterials-A membrane-based synthetic approach[J].Science,1994,266(5193):1961. |
| [11] | Zheng Miao;Dongsheng Xu;Jianhua Ouyang;Guolin Guo;Xinsheng Zhao;Youqi Tang .Electrochemically Induced Sol-Gel Preparation of Single-Crystalline TiO_2 Nanowires[J].Nano letters,2002(7):717-720. |
| [12] | Lemine, OM .Microstructural characterisation of alpha-Fe2O3 nanoparticles using, XRD line profiles analysis, FE-SEM and FT-IR[J].Superlattices and microstructures,2009(6):576-582. |
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%