运用循环伏安法研究了不同条件下锰离子在金属钛基底上的电化学行为,结合X射线衍射仪(XRD)和扫描电镜(SEM)对电解产物表征,探讨了温度、电压、硫酸浓度对电解产物的组分、形貌和颗粒尺寸的影响,结果表明硫酸浓度较温度对电沉积二氧化锰氧化电流起峰电位的影响更为显著,改变反应条件可控制纳米MnO2晶体结构、形貌和颗粒大小.
参考文献
| [1] | Scott R.Segal;Sang Hyun Park;Steven L.Suib .Thin films of octahedral molecular sieves of manganese oxide[J].Chemistry of Materials,1997(1):98-104. |
| [2] | 夏熙.二氧化锰及相关锰氧化物的晶体结构、制备及放电性能（1）[J].电池,2004(06):411-414. |
| [3] | Hill L I;Verbaere A;Guyomard D .Nanofibrous α-,β-,γ-and α-,γ-manganese dioxides prepared by the hydrothermal-electrochemical technique I.synthesis and characterization[J].Journal of the Electrochemical Society,2003,150:D135-D148. |
| [4] | Y. L. Cao;H. X. Yang;X. P. Ai;L. F. Xiao .The mechanism of oxygen reduction on MnO_2-catalyzed air cathode in alkaline solution[J].Journal of Electroanalytical Chemistry: An International Journal Devoted to All Aspects of Electrode Kinetics, Interfacial Structure, Properties of Electrolytes, Colloid and Biological Electrochemistry,2003(0):127-134. |
| [5] | 李娟;李清文;夏熙 .纳米MnO2粉体的固相合成及其电化学性能(III)固相氧化还原反应合成纳米α-MnO2 的性能[J].应用化学,1999,16:103-105. |
| [6] | Shen Y F;Zerger R P;DeGuzman R N et al.Manganese oxide octahedral molecular sieves:preparation,characterization,and applications[J].Science,1993,260:511-515. |
| [7] | Feng Q;Kanoh H;Ooi K.Manganese oxide porous crystal[J].Journal of Materials Chemistry,1999(09):319-333. |
| [8] | S. Nijjer;J. Thonstad;G. M. Haarberg .Oxidation of manganese(II) and reduction of manganese dioxide in sulphuric acid[J].Electrochimica Acta,2000(2/3):395-399. |
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%