Multi-layered Pt/Ni nanotube arrays with enhanced catalytic performance for methanol electrooxidation

被引：48

作者：

Ye, Sheng-Hua ^{[1
]}

Feng, Jin-Xian ^{[1
]}

Wang, An-Liang ^{[1
]}

Xu, Han ^{[1
]}

Li, Gao-Ren ^{[1
]}

机构：

[1] Sun Yat Sen Univ, Sch Chem & Chem Engn, KLGHEI Environm & Energy Chem, MOE Lab Bioinorgan & Synthet Chem, Guangzhou 510275, Guangdong, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2015年 / 3卷 / 46期

基金：

中国国家自然科学基金;

关键词：

OXYGEN REDUCTION REACTION; ELECTROCATALYTIC ACTIVITY; ELECTROCHEMICAL SYNTHESIS; OXIDATION REACTIONS; ALLOY NANOCRYSTALS; CORE-SHELL; FUEL-CELLS; NANOPARTICLES; NANOWIRES; MOLECULES;

D O I：

10.1039/c5ta07098h

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Novel Pt/Ni multi-layered nanotube arrays (MLNTAs) are synthesized by template-assisted layer-by-layer electrodeposition. The unique multi-layered structures in nanotube walls provide a new method to study the effects of heterointerfaces and structures on methanol electrooxidation. For the fabricated Pt/Ni MLNTAs, especially Ni@Pt@Ni@Pt NTAs, we observed obvious enhancements in the catalytic activity and durability compared with the monometallic Pt nanotube arrays (NTAs) and many Pt-based catalysts reported in the literature studies. Our synthesis approach presents a strategy to broaden the heterointerfacial and structural effects for harnessing the true catalytic potential of Pt-based electrocatalysts and may lead to wide applications for energy conversion and storage.

引用

页码：23201 / 23206

页数：6

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