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首页> 外文期刊>Journal of Materials Chemistry, A. Materials for energy and sustainability >Engineering one-dimensional and hierarchical PtFe alloy assemblies towards durable methanol electrooxidation
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Engineering one-dimensional and hierarchical PtFe alloy assemblies towards durable methanol electrooxidation

机译：工程一维和等级和等级PTFE合金组件朝向耐用的甲醇电氧化

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摘要

The development of highly effective and robust alloy electrocatalysts is urgently needed for the commercialization of direct methanol fuel cells. In this work, one-dimensional PtFe alloy nanostructures were synthesized by a facile one-pot synthesis method for durable and efficient methanol oxidation. The formation of such hierarchical alloy architectures was derived from the different reduction thermodynamics of metal precursors. Benefiting from the structure and composition advantages, the synthesized PtFe alloy electrocatalyst showed specific and mass activities of 5.26 mA cm(Pt)(-2) and 1.65 A mg(Pt)(-1), respectively. Moreover, the novel catalyst exhibited an improved stability compared with the benchmark commercial PtRu/C and Pt/C catalysts. This work not only provides a promising stable Pt alloy catalyst candidate but more importantly represents a superior path to design active and durable alloys integrated with well-defined microstructures and desired morphologies for future practical energy conversion technologies.
机译：直接甲醇燃料电池的商业化迫切需要高效和强大的合金电催化剂的发展。在这项工作中，通过耐用和有效的甲醇氧化，通过容易的单罐合成方法合成一维PTFE合金纳米结构。这种等级合金架构的形成源自金属前体的不同减少热力学。受益于结构和组成优势，合成的PTFE合金电催化剂分别显示出5.26 mA cm（ - 2）和1.65A（ - 1）的特异性和质量活性。此外，与基准商业PTRU / C和PT / C催化剂相比，新型催化剂表现出改善的稳定性。这项工作不仅提供了有希望的稳定的Pt合金催化剂候选者，但更重要的是表示与未经定义的微观结构和所需形态集成的活性和耐用合金的优异路径，以及未来的实际能量转换技术。

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    Wang Lijuan; Tian Xin Long; Xu Yangyang; Zaman Shahid; Qi Kai; Liu Hongfang; Xia Bao Yu;

  • 作者单位

    Huazhong Univ Sci &

    Technol Key Lab Mat Chem Energy Convers &

    Storage Minist Educ Key Lab Mat Chem &

    Serv Failure Sch Chem &

    Chem Engn Wuhan Natl Lab Optoelect 1037 Luoyu Rd Wuhan 430074 Peoples R China;

    Huazhong Univ Sci &

    Technol Key Lab Mat Chem Energy Convers &

    Storage Minist Educ Key Lab Mat Chem &

    Serv Failure Sch Chem &

    Chem Engn Wuhan Natl Lab Optoelect 1037 Luoyu Rd Wuhan 430074 Peoples R China;

    Huazhong Univ Sci &

    Technol Key Lab Mat Chem Energy Convers &

    Storage Minist Educ Key Lab Mat Chem &

    Serv Failure Sch Chem &

    Chem Engn Wuhan Natl Lab Optoelect 1037 Luoyu Rd Wuhan 430074 Peoples R China;

    Huazhong Univ Sci &

    Technol Key Lab Mat Chem Energy Convers &

    Storage Minist Educ Key Lab Mat Chem &

    Serv Failure Sch Chem &

    Chem Engn Wuhan Natl Lab Optoelect 1037 Luoyu Rd Wuhan 430074 Peoples R China;

    Huazhong Univ Sci &

    Technol Key Lab Mat Chem Energy Convers &

    Storage Minist Educ Key Lab Mat Chem &

    Serv Failure Sch Chem &

    Chem Engn Wuhan Natl Lab Optoelect 1037 Luoyu Rd Wuhan 430074 Peoples R China;

    Huazhong Univ Sci &

    Technol Key Lab Mat Chem Energy Convers &

    Storage Minist Educ Key Lab Mat Chem &

    Serv Failure Sch Chem &

    Chem Engn Wuhan Natl Lab Optoelect 1037 Luoyu Rd Wuhan 430074 Peoples R China;

    Huazhong Univ Sci &

    Technol Key Lab Mat Chem Energy Convers &

    Storage Minist Educ Key Lab Mat Chem &

    Serv Failure Sch Chem &

    Chem Engn Wuhan Natl Lab Optoelect 1037 Luoyu Rd Wuhan 430074 Peoples R China;

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  • 正文语种 eng
  • 中图分类 工程材料学;
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