将LiCoO2粉末分散在异丙醇溶剂中电泳沉积,在铝箔阴极上制备出了LiCoO2薄膜.研究了pH值、悬浮液浓度、外加电压和时间等工艺参数对单位面积膜层质量的影响,初步探讨了Li-CoO2的电泳沉积机理.研究发现:悬浮液中不加HCl时,LiCoO2不能从异丙醇悬浮液中电泳沉积出来;LiCoO2的沉积量随悬浮液的pH值减小而增加,随悬浮液浓度、外加电压的增大和时间的延长呈线性增加.通过SEM分析发现,电泳沉积得到的LiCoO2薄膜不很致密,但作为锂离子电池正极材料使用是完全可以满足要求的.
参考文献
| [1] | 陈晓明,李世普,韩庆荣,周学东,许传波.在非水溶液体系中电泳沉积Ti6Al4V/BG/IIA梯度涂层[J].硅酸盐学报,2001(06):565-568. |
| [2] | Cengiz Kaya .Al_2O_3-Y-TZP/Al_2O_3 functionally graded composites of tubular shape from nano-sols using double-step electrophoretic deposition[J].Journal of the European Ceramic Society,2003(10):1655-1660. |
| [3] | 朱亚彬,周岳亮,熊季午,王淑芳,刘震,张芹,陈正豪,吕惠宾,杨国桢.用电泳法在MgO基底上制备YBCO超导厚膜[J].低温物理学报,2003(z2):440-444. |
| [4] | Zanetti S M;Varela J A;Leite E R et al.SrBi2Ta2O9 ferroelectric thick films prepared by electrophoretic deposition using aqueous suspension[J].Journal of the European Ceramic Society,2004,24:2445-2451. |
| [5] | 卢立柱;胡湖生;谢慧琴 .应用电泳沉积法制备固体电解质(8YSZ)薄膜[J].功能材料,1998,29(06):619-622. |
| [6] | I. Zhitomirsky;L. Gal-Or .Formation of hollow fibers by electrophoretic deposition[J].Materials Letters,1999(1):10-17. |
| [7] | 魏杰;任妮 .电泳沉积MoS2固体润滑膜研究[J].真空与低温,1999,5(02):88-93. |
| [8] | Motohide Matsuda;Osamu Ohara;Kenji Murata .Electrophoretic Fabrication and Cell Performance of Dense Sr- and Mg-Doped LaGaO_3-Based Electrolyte Films[J].Electrochemical and solid-state letters,2003(7):A140-A143. |
| [9] | I. Zhitomirsky .Cathodic electrophoretic deposition of diamond particles[J].Materials Letters,1998(1/2):72-78. |
| [10] | Kiyoshi Kanamura;Atsushi Goto;Young Ho Rho .Electrophoretic fabrication of LiCoO_2 positive electrodes for rechargeable lithium batteries[J].Journal of Power Sources,2001(0):294-297. |
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%