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离子注入对钛电极析氢活性的影响 被引量:4

Effect of ion implantation on hydrogen evolution activity of titanium electrode
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摘要 研究了离子注入工艺与注入元素对工业纯钛在硫酸和氢氧化钠溶液中析氢活性的影响 ,测定了工业纯钛及其注入Ni+,W+,Mo+,C+,Nd+等离子后在硫酸溶液和氢氧化钠溶液中的阴极过程动力学参数。结果表明 ,如果选择适当的注入离子和注入工艺 ,可以大大提高工业纯钛的析氢活性。注入的离子对提高工业纯钛析氢活性的影响有W+>Mo+>Ni+>Nd+的规律 ,特别是W+和C+的重叠组合注入对提高析氢活性效果最为明显 ,在硫酸溶液中其Tafel关系中的常数a降低 470mV。 The effects of ion implanted process and elements on the activity of hydrogen evolution of industry titanium were studied. The cathodic dynamic parameters of industry titanium implanted with Ni +, W +, Mo +, C + and Nd + in H 2SO 4 solution and in NaOH solution were obtained. The results show that the activity of hydrogen evolution of industry titanium could be improved greatly by suitable implanted ions and process. Especially, the overlap implantation of W + and C + can greatly improve the catalytic activity of hydrogen evolution, and the constant a of Tafel equation decreases by 470?mV in H 2SO 4 solution. The order of catalysis hydrogen evolution is W +>Mo +>Ni +>Nd +. [
出处 《中国有色金属学报》 EI CAS CSCD 北大核心 2001年第2期315-318,共4页 The Chinese Journal of Nonferrous Metals
关键词 离子注入 析氢活性 钛电极 ion implantation hydrogen evolution activity titanium
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