自然科学研究

Ni基多孔材料作为析氢与氢氧化双功能催化可行性分析

阿更兄 (巴音郭楞职业技术学院石油化工学院), 刘丽 (新疆大学化工学院), 任铁真 (巴音郭楞职业技术学院石油化工学院;新疆大学化工学院)

摘要


资源枯竭与环境保护促使氢能广泛应用成为迫切需求,设计合成高效非贵金属电催化剂材料是拓展以氢气为中心的电催化反应体系规模化应用的前提。电催化材料中高效活性位点对反应中间产物的吸附与活化,以及自身电子传输和质量传输效率,是决定电催化体系活性的核心因素。具有析氢和氢氧化双功能的非贵金属催化剂设计对于碱性氢-氧燃料电池的实际应用具有重要意义。通过总结不同金属异质界面对氢氧化反应的电催化活性和选择性的影响规律,分析氢和氢氧化机理,可以为开发新型高效催化剂提供理论指导。文中综述了Ni基多孔材料在析氢与氢氧化反应中的应用,并探讨了其作为双功能催化剂的可行性。研究发现,通过调控Ni基材料的孔隙结构和表面特性,可以显著提高其电催化性能。此外,文中还对Ni基多孔材料的稳定性及其在实际应用中的潜力进行了评估,为未来催化剂的设计和优化提供了新的思路。

关键词


氢能;氢氧化;析氢;机理;Ni基催化剂

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参考


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DOI: https://doi.org/10.33142/nsr.v1i3.14920

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