纳米MnO_2在碳棒上的固载  

Immobilization of Nano-MnO_2 on Carbon Rod

作　　者：韩洪春[1] 陈震[1,2] 郑曦[1] 陈晓[1] 陈日耀[1] 

机构地区：[1]福建师范大学化学与材料学院,福建福州350108 [2]宁德师范高等专科学校化学系,福建宁德352100

出　　处：《福建师范大学学报（自然科学版）》2010年第5期53-56,62,共5页Journal of Fujian Normal University：Natural Science Edition

基　　金：福建省自然科学基金资助项目(D0710009);福建省发展和改革委员会资助项目(2008762)

摘　　要：用电解法制备了纳米MnO2颗粒.以聚乙烯吡咯烷酮(PVP)与纳米MnO2颗粒作为前驱体,以无水乙醇为溶剂,在超声波震荡下制得纳米MnO2均匀分散的黄绿色PVP溶胶.以电纺丝技术制得PVP/MnO2纤维和PVP/MnO2纤维充分缠绕的碳电极.氮气保护下,于550℃马弗炉中处理,得到固载良好的纳米MnO2电极.用扫描电子显微镜(SEM)、透射电子显微镜(TEM)、X射线衍射(XRD)、红外吸收光谱(FT-IR)等测试手段对超细纤维进行了表征.Nano-MnO2 particles were prepared by electrolysis technique.The yellow-green PVP/MnO2 sol were obtained under the condition of ultrasonic vibration using polyvinylpyrrolidone（PVP） and nano-MnO2 particles as precursors,and anhydrous ethanol as solvent.The PVP/MnO2 fibers were tightly wrapped on the carbon rod by electrospinning technique,and then sintered in a muffle furnace at 550 ℃ under the protection of N2.Thus,the nano-MnO2 immobilized electrode was obtained.Ultra-fine fibers were characterized by the use of scanning electron microscopy（SEM）,transmission electron microscopy（TEM）,X-ray diffraction（XRD） and infrared absorption spectroscopy（FT-IR）.

关 键 词：静电纺丝 固载 碳棒 纳米MNO2 碳纤维 

分 类 号：O643[理学—物理化学]