马富丽,顾颖,王婷,张毓琪,王立鹏,周晓光,田春贵

• 1:东北林业大学化学化工与资源利用学院
• 2:黑龙江大学无机功能材料化学教育部重点实验室

摘要(Abstract)：

开发高活性非贵金属催化剂应用于析氢反应对于推动能源结构转化具有重要作用。利用钴氧化物对泡沫镍(Nickel foam, NF)上生长的W基氧化物纳米线(WO_x/NF)进行修饰使其发生重构得到Co-W氧化物纳米片前驱体，在氨气气氛下煅烧前驱体制备了Co修饰的氮化钨(Tungsten nitride, WN)多孔异质结纳米片。结构重构使前/后过渡金属均匀分布且结构稳定，多孔二维纳米片提供了丰富的活性位点，有效促进了质荷传递效率，异质结能够调节活性位点的电子结构，优化中间体的吸附能，加快反应动力学。因此，Co-WN-600/NF多孔纳米片表现出良好的电催化析氢活性和稳定性，在10 mA·cm~(-2)电流密度下析氢过电位仅37 mV,能维持40 h电流密度基本无衰减，且大电流密度下性能优于市售Pt/C催化剂。

关键词(KeyWords)： 析氢反应;结构重构;纳米片;异质结

Abstract:

Keywords:

基金项目(Foundation): 黑龙江省自然科学基金资助项目(LH2024B002)

作者(Author): 马富丽,顾颖,王婷,张毓琪,王立鹏,周晓光,田春贵

DOI: 10.13482/j.issn1001-7011.2025.05.120

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