采用电沉积工艺制备超级电容器用钽基(RuO2/SnO2)·nH2O复合薄膜,研究了初始沉积液中Sn2+与Ru3+浓度比以及热处理对制备(RuO2/SnO2)·nH2O复合薄膜性能的影响.借助扫描电镜、X射线衍射仪、红外光谱对薄膜的形貌和物相进行分析,用循环伏安法(CV)对该复合薄膜电容特性进行了测量.结果表明,以沉积液中Sn2+与Ru3+浓度比为2:1时电沉积出的样品,在温度为300℃、热处理2.5h后所制备出的复合电极薄膜材料的比电容达到385F/g.
参考文献
| [1] | Zheng JP.;Jow TR.;Cygan PJ. .HYDROUS RUTHENIUM OXIDE AS AN ELECTRODE MATERIAL FOR ELECTROCHEMICAL CAPACITORS[J].Journal of the Electrochemical Society,1995(8):2699-2703. |
| [2] | Zhitomirsky I .Electrrolytic TiO2-RuO2 deposits[J].Journal of Materials Science,1999,34:2441. |
| [3] | Subramanian V;Hall S C;Smith P H et al.Mesoporous anhydrous RuO2 as a supercapactior electrode material[J].Solid State Ionics,2004,175(1-4):511. |
| [4] | Conway B E.Electrochemical supercapacitors scientific fundamentals and technological applications[M].Germany:Springer,1999 |
| [5] | Park S E;Kim H M;Kim K B et al.RuO2 thin film fabrication with plasma-enhanced chemical vapor deposition[J].Thin Solid Films,1990,341:52. |
| [6] | Kalakodimi Rajendra Prasad;Norio Miura .Electrochemical synthesis and characterization of nanostructured tin oxide for electrochemical redox supercapacitors[J].Electrochemistry communications,2004(8):849-852. |
| [7] | 甘卫平,覃政辉,刘泓,师响.电沉积液初始pH值对电沉积制备钽基RuO2·nH2O薄膜的影响[J].材料导报,2008(05):143-145. |
| [8] | 甘卫平,黎小辉,欧定斌,覃政辉.退火温度对钽基RuO2·nH2O电沉积薄膜电容性能的影响[J].中南大学学报（自然科学版）,2006(04):660-664. |
| [9] | 欧定斌,甘卫平,何捍卫,张伟,黎晓辉.电流密度对电沉积制备钽基RuO2·nH2O薄膜形貌的影响[J].材料导报,2006(03):144-145,151. |
| [10] | Wang Chenching;Hu Chichang .Electrochemical and textural characterization of binary Ru-Sn oxides synthesized under mild hydrothermal conditions for supercapacitors[J].Electrochimica Acta,2005,50:2573. |
| [11] | Perry D L;Philips S L.Handbook of inorganic compounds[M].New Y0rk:CRC Press,1995:4170. |
| [12] | Berger F;Formm M;Chambaudet A et al.Tin dioxidebased gas sensors for SO2 detection:a chemical interp retation of increase in sensitivity obtained after a primary detection[J].Sensors and Actuators B:Chemical,1997,45(03):175. |
| [13] | Zheng J P;Xin Y .Characterization of RuO2@xH2O with various water contents[J].Journal of Power Sources,2002,110(07):86. |
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