论文部分内容阅读
低成本、高活性和稳定性的氧还原电催化剂一直是燃料电池的研究热点。近年来掺氮对纳米碳及其复合电催化剂性能的显著影响引起广泛关注,为燃料电池催化剂的研究开辟了新的领域,且已有突破性成果。本文综述了纳米碳掺氮的方法、非Pt的掺氮纳米碳及其复合电催化剂的最新研究进展,并介绍了影响其氧还原电催化活性的因素和掺氮的作用机理,最后发展趋势、应用前景做出了展望。
Low cost, high activity and stability of oxygen reduction electrocatalysts have been the research focus of fuel cells. In recent years, the significant influence of nitrogen on the performance of nano-carbon and its composite electrocatalysts has drawn wide attention. It opens up new fields for the research of fuel cell catalysts and has achieved breakthrough results. In this paper, the recent progress in the research on N-doped carbon nanomaterials, non-Pt doped N-doped carbon nanoparticles and their composite electrocatalysts are reviewed. The factors influencing the electrocatalytic activity of oxygen reduction and the mechanism of nitrogen addition are introduced. Finally, Prospects for the future application.