离子束修饰对电极表面结构和析氢活性的影响  

THE EFFECT OF ION BEAM MODIFICATION ON SURFACE STRUCTURE AND HYDROGEN EVOLUTION ACTIVITY OF ELECTRODE

作　　者：黄桂芳[1] 靳九成[1] 李国希[2] 吴翠兰[2] 王梅丰[2] 史维东[3] 宫泽祥[3] 石环英 

机构地区：[1]湖南大学材料测试中心 [2]湖南大学化学化工学院 [3]大连理工大学 [4]长沙铁道学院

出　　处：《催化学报》1998年第5期459-462,共4页

基　　金：国家自然科学基金

摘　　要：采用离子束对工业纯钛电极进行表面改性，用电化学方法研究了改性电极在Ｈ２ＳＯ４溶液（０５ｍｏｌ／Ｌ）中的析氢活性，用表面能谱分析了电极表面的组分和结构．结果表明：通过离子束修饰在电极表面引入微量的活性元素即可明显改善工业纯钛电极的析氢催化活性；离子束修饰改变了电极表面的组分和相结构，从而达到改性的目的．The technical pure titanium electrode was modified by ion beam technology, the hydrogen evolution activity of the modified electrode in H 2SO 4 solution (0 5 mol/L) was studied by electrochemical method, and the surface composition and structure were analyzed by surface energy spectroscopy. The results show that the hydrogen evolution activity of the technical pure titanium may be improved greatly by ion beam modification which leads into trace active element on the electrode surface. Ion beam modification changes the surface composition and structure of the electrode and results in improvement of hydrogen evolution activity of the electrode.

关 键 词：离子束修饰 析氢活性 钛电极 电催化 表面结构 

分 类 号：O646.54[理学—物理化学] O643.32[理学—化学]