中文摘要-国立高雄应用科技大学化学工程与材料工程系.docVIP

中文摘要 本文利用陽極沉積法製備三維多孔結構的含水釕氧化物電極於超級電容器之研究。以二氧化矽微奈米粒子堆疊於鈦片上形成模版，再將含結晶水的氯化釕(RuCl3?xH2O)以定電位的方式氧化成釕氧化物並直接沉積在鈦片基材上，模版移除後經由不同的熱處理溫度來觀察電極材料特性。由掃描式電子顯微鏡(SEM)觀察表面型態、X光繞射儀(XRD)觀察結構上的變化。由循環伏安(CV)、不同掃描速率之影響、可逆性測試以及循環壽命測試其電化學的特性，找出最佳的條件以利於應用在超級電容器上。 本研究成功製備出含有三維多孔結構的釕氧化物電極。經由SEM圖可看出具有多孔的通道，利於質子與電子的進出和傳遞。XRD和EDS證實基材已沉積上釕氧化物，於高溫熱處理下具有結晶繞射峰。電化學性質方面，於150℃熱處理具有最佳的比電容值 507 F/g。但200℃熱處理條件下，雖然其比電容值比150℃熱處理條件下略低，但其循環伏安行為、可逆性測試和循環壽命測試均優於其他熱處理溫度。可逆性測試上，藉由改變不同上限電位，其電流應答快速且可逆性極佳，因此利用陽極沉積法製備的釕氧化物超級電容器的可逆性良好。最後，由循環壽命測試150圈後，電流衰退並不明顯，依然保有不錯的比電容值。 由材料的結構特性和電化學性質來看，具有三維多孔結構的含水釕氧化物電極應用於超級電容器上極具有發展的潛力。 英文摘要 This study is regarding using anodic deposition to prepare three-dimensional (3-D) porous hydrous ruthenium oxide supercapacitors with SiO2 colloidal templates. The templates are made by using SiO2 micro/nano-meter spheres stacking on a titanium foil. The hydrous RuCl3?xH2O is directly electroplated on the titanium foil. By annealing at different temperature to observe the electrochemical characteristics after the templates are removed. To find out the best condition suitable for the supercapacitors, the surface morphology and textural characterization are analyzed through scanning electron microscope (SEM) and X-ray diffraction (XRD), respectively. The electrochemical characterizations are analyzed through cyclic voltammograms, different scan rate, reversibility and cycle life test. This study successfully prepares the ruthenium oxide electrode with 3-D porous textural. The porous turnels, which are good for access and transmission of protons and electrons can been seen through the SEM. The results of XRD and EDS demonstrate the diffraction peak of ruthenium oxide under high temperature treatment. As for electrochemical properties, the best result of specific capacitance is 507 F/g under heat treatment of 150℃. However, although the result of specific capacitance is lower under heat treatment of 200℃, the cyclic voltammograms, reversibility and cycle life test are distinguish then other heat