石墨烯负载镍钯铂三金属纳米颗粒的制备和应用
首发时间:2017-04-28
摘要:本文利用硼氢化钠做还原剂,将直径约10纳米的Ni、Pd、Pt三金属合金纳米颗粒成功分散在还原石墨烯上。并用TEM,XRD, XPS等手段对复合物进行了表征。然后将上述复合物用于碱性乙醇电化学氧化的电催化剂,使用循环伏安法和计时安培分析法考察了电化学反应的活性及催化剂的稳定性。结果显示该三金属复合物的催化活性高,稳定性好,将这种催化剂应用于直接乙醇燃料电池拥有非常广阔的前景。
For information in English, please click here
preparation of graphene supported NiPdPt nanoparticles and its application
Abstract:Trimetallic NiPdPt alloy nanoclusters with diameter of about 10 nm are successfully dispersed on the reduced graphene oxide by using NaBH4 as reductant. The composites were characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). The prepared composite is used as electrocatalyst for ethanol electrooxidation in alkaline solution. Cyclic voltammetry and chronoamperometry are used to investigate the electrochemical activity and stability of the catalyst. The result shows that the as-prepared catalyst has high activity and good stability, which indicates that It is a promising catalyst for direct ethanol fuel cell applications in the future.
Keywords: Graphene Trimetallic nanoclusters Ethanol electroxidation reaction
论文图表:
引用
No.4727209119485814****
同行评议
共计0人参与
勘误表
石墨烯负载镍钯铂三金属纳米颗粒的制备和应用
评论
全部评论0/1000