物理化学学报2012，Vol.28Issue(1)：85-89,5.DOI:10.3866/PKU.WHXB201111153
交替微波加热法对制备氧还原催化剂性能的影响
Effect of Intermittent Microwave Heating on the Performance of Catalysts for Oxygen Reduction Reaction
摘要
Abstract
The influence of intermittent microwave heating (IMH) on the physicochemical and electrochemical properties of platinum loaded on multi-walled carbon nanotubes (Pt/MWCNTs) was investigated.X-ray diffraction results revealed that the crystal size of Pt particles hardly increased for smaller numbers of pulse repetitions,but became much larger as the number of pulse repetitions increased.Cyclic voltammetry (CV) and rotating disk electrode (RDE) results showed that the Pt/MWCNTs catalysts prepared by IMH in a repeated pulse form of 5s-on/5s-off for 20 pulse repetitions possessed the largest electrochemical surface area.An onset potential of approximately 1.0 V (vs RHE) was observed for the oxygen reduction reaction in oxygen-saturated 0.5 mol· L-1 H2SO4 aqueous solutions.The IMH method is simple,economical,and can potentially be scaled up for the mass production of nanomaterials.关键词
催化剂/交替微波加热法/旋转圆盘电极/氧还原反应/多壁碳纳米管Key words
Catalyst/Intermittent microwave heating method/Rotating disk electrode/Oxygen reduction reaction/Multi-walled carbon nanotube分类
化学化工引用本文复制引用
尹诗斌,罗林,荆胜羽,朱强强,强颖怀..交替微波加热法对制备氧还原催化剂性能的影响[J].物理化学学报,2012,28(1):85-89,5.基金项目
The project was supported by the National Natural Science Foundation of China (21106178),Postdoctoral Science Foundation of China (20110491480),Scientific Research Foundation of Xuzhou,China (XJ11B009),Polysilicon and Photovoltaic Energy Technology of Xuzhou,China (6AT102092),Open Fund of the State Key Laboratory of Advanced Technology for Materials Synthesis and Processing (Wuhan University of Technology) (2012-KF-13),and Scientific Research Foundation for Yong Teachers of the China University of Mining and Technology,China (2011QNA21,2009A026).国家自然科学基金(21106178),中国博士后基金(20110491480),徐州科技项目(XJ11B009),徐州多晶硅与光伏能源技术专项(6AT102092),材料复合新技术国家重点实验室(武汉理工大学)开放基金(2012-KF-13)和中国矿业大学青年基金(2011QNA21,2009A026)资助 （21106178）
