One-dimensional Rhodium-nickel Alloy Assemblies with Nano-dendrite Subunits for Alkaline Methanol Oxidation

• 作者: Yue Zhao Yachong Liu Boqiang Miao Yu Ding Pujun Jin Yu Chen
• 来源期刊: 结构化学
• 年，卷（期）: 2022,（4）
• 页码范围: 40-45
• 页数: 6页
• 语种: 英文
• DOI: 10.14102/j.cnki.0254-5861.2022-0019

摘要

The noble metal rhodium(Rh)nanostructures have wide applications in catalysis and electrocataly-sis.In this work,a series of RhNi alloy nanostructures with different Rh/Ni atomic ratios can be synthesized by one-step wet chemical method.By adjusting RhⅢ/NiⅡ feed ratio,high-quality one-dimensional Rh1Ni1 alloy nanodendrite assemblies(Rh1Ni1-NDs-As)can be synthesized selectively.Electrochemical measurements show that the introduction of Ni can enhance the electroactivity of Rh nanomaterials for methanol oxidation reaction(MOR)in alkaline media.For potential practical application,Rh1Ni1-NDs-As reveals improved electroactivity and durability for MOR compared to commercial Rh nanoparticle due to the particular morphology,Ni-doping,high electrochemical active area,and excellent anti-poison ability.Considering the facial synthesis and high electro-activity/durability,Rh1Ni1-NDs-As may be promising anode catalysts in direct methanol fuel cells.