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非晶态MmNi_(5.20)合金薄膜的制备及析氢反应电催化性能的研究 被引量:3

Preparation of Amorphous MmNi_(5.20) Film and Study on Its Electrochemical Property for HER
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摘要 用离子束溅射法制备非晶态MmNi_(5.20)合金薄膜。该非晶态合金薄膜在30wt%KOH,70℃作析氢反应电极。实验结果表明,该电极不但具有良好的析氢电催化活性和电化学稳定性,而且具有很好的抗氢脆和抗粉化能力。交流阻抗分析表明,非晶态MmNi_(5.20)合金电极析氢反应过程主要由电化学反应步骤控制。 Amorphous MmNi_(5,20) alloy films wereprepared by means of ion beam sputtering. The filmelectrodes were investigated in 30wt%KOH solutionat 70 ℃ as cathodes for hydrogen evolution reaction(HER).The results showed that amorphousMmNi_(5.20)film electrodes had excellentelectrochenucal stability and electrocatalysis activityfor HER.In addition the film electrodes had strongresistance to hydrogen embrittlement under long-term electrolysis in 2 00mA·cm ̄(-2). The A.C.impedance analysis indicated that the process of HERon the film electrodes was controlled byelectrochemical reaction step.
出处 《功能材料》 EI CAS CSCD 1994年第6期515-517,共3页 Journal of Functional Materials
基金 国家863高技术探索资助
关键词 非晶态合金 MmNi合金薄膜 制备 催化 析氢反应 amorphous MmNi_(5.20) alloy,electrocatalysis, hydrogen evolutiou reaction
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