钾对镍—钴复合氧化物催化剂表面状态及电子性能的影响

Effect of Adding K + on Surface State and Electron Property of Ni Co Complex Oxides

用Ｘ光电子能谱研究了镍—钴复合氧化物催化剂添加助剂Ｋ＋后的结构及表面组成，并结合电导率的测定结果与反应性能相关联，考察了它们之间的关系．研究表明：助剂Ｋ＋的掺入对镍—钴尖晶石复合氧化物的电子性能、表面状态均有影响，能使电子激活能降低，元素结合能减小，氧化反应活性增高．

In this paper,the structure and surface component of adding K + on Ni Co complex oxides were investigated by XPS,electric conductivity technology. The result showed that the effect of surface component and electron property of Ni Co complex oxides were quite obvious after adding K +. It was found that the catalytic oxidation activity of Ni Co complex oxides was increased and the element binding energy was decreased with the additive K +.