应用化学2012，Vol.29Issue(1)：95-99,5.DOI:10.3724/SP.J.1095.2012.00052
大孔炭载Ir催化剂对氨氧化的电催化性能
Electrocatalytic Performance of Ir Catalyst Supported on Macroporous Carbon for Ammonia Oxidation
摘要
Abstract
Macroporous carbon supported Ir (Ir/MC) and Vulcan XC-72 carbon supported Ir (Ir/XC ) catalysts were prepared respectively. Based on the characterization of the catalysts using the energy dispersive spectroscopy, X-ray diffraction spectroscopy and Raman spectroscopy, the electrocatalytic performances of the two catalysts for the ammonia oxidation were investigated. It was found that the peak current density of the ammonia oxidation at the Ir/MC catalyst electrode is 38. 7% larger than that at the Ir/XC catalyst electrode and the electrocatalytic stability of the Ir/MC catalyst is better than that of the Ir/XC catalyst. Because the average size and the relative crystallinity of the Ir particles in the Ir/MC catalyst is similar to that in the Ir/XC catalyst, the above results can be attributed to the larger pore size and porosity as well as the higher conductivity due to the high graphitization extent of MC.关键词
氨氧化/大孔炭载铱催化剂/电催化性能/电流型电化学传感器Key words
ammonia oxidation/ macroporous carbon supported Ir catalyst/ electrocatalytic performance/ current type of electrochemical sensor分类
化学化工引用本文复制引用
李林儒,陈冲,徐斌,曹高萍,杨裕生,陆天虹..大孔炭载Ir催化剂对氨氧化的电催化性能[J].应用化学,2012,29(1):95-99,5.基金项目
RAE工程技术中心传感器研发部和江苏高校优势学科建设工程资助项目 （）
