孙新滢,时航,郎兴友,蒋青

• 1:汽车材料教育部重点实验室
• 2:吉林大学材料科学与工程学院

摘要(Abstract)：

开发高效、稳定的电催化剂用于电化学水分解制氢至关重要。通过合金化和脱合金化法制备了纳米多孔NiFeCoTi高熵合金电极，并对其碱性析氢反应性能进行了研究。结果表明：该电极具有柱状纳米多孔结构，能够促进电催化反应过程中的电子传递和质量运输，表面的NiFeCoTi高熵合金可以提供双功能的电催化活性位点，促进水的解离和氢中间体的吸附/结合。在1 M KOH电解液中，纳米多孔NiFeCoTi电极在～111 mV的过电位下就能够达到400 mA/cm~2的电流密度，具有较低的Tafel斜率和优异的长期稳定性。

关键词(KeyWords)： 高熵合金;电催化剂;纳米多孔金属;析氢反应

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(52201217,52271217,52130101)

作者(Author): 孙新滢,时航,郎兴友,蒋青

DOI: 10.13289/j.issn.1009-6264.2023-0510

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