Design of ultrathin Pt-Mo-Ni nanowire catalysts for ethanol electrooxidation
Mao, JJ; Chen, WX; He, DS; Wan, JW; Pei, JJ; Dong, JC; Wang, Y; An, PF; Jin, Z; Xing, W; Tang, HL; Zhuang, ZB; Liang, X; Huang, Y; Zhou, G; Wang, LY; Wang, DS; Li, YD
2017
发表期刊SCIENCE ADVANCES
ISSN2375-2548
卷号3期号:8页码:-
文章类型期刊论文
摘要Developing cost-effective, active, and durable electrocatalysts is one of the most important issues for the commercialization of fuel cells. Ultrathin Pt-Mo-Ni nanowires (NWs) with a diameter of similar to 2.5 nm and lengths of up to several micro-meters were synthesized via a H-2-assisted solution route (HASR). This catalyst was designed on the basis of the following three points: (i) ultrathin NWs with high numbers of surface atoms can increase the atomic efficiency of Pt and thus decrease the catalyst cost; (ii) the incorporation of Ni can isolate Pt atoms on the surface and produce surface defects, leading to high catalytic activity (the unique structure and superior activity were confirmed by spherical aberration-corrected electron microscopy measurements and ethanol oxidation tests, respectively); and (iii) the incorporation of Mo can stabilize both Ni and Pt atoms, leading to high catalytic stability, which was confirmed by experiments and density functional theory calculations. Furthermore, the developed HASR strategy can be extended to synthesize a series of Pt-Mo-M (M = Fe, Co, Mn, Ru, etc.) NWs. These multimetallic NWs would open up new opportunities for practical fuel cell applications.
关键词Ray-absorption Spectroscopy Oxygen Reduction Reaction Augmented-wave Method Methanol Electrooxidation Electrocatalytic Activity Alloy Nanowires Platinum Nanocrystals Nanoparticles Durability
DOI10.1126/sciadv.1603068
关键词[WOS]RAY-ABSORPTION SPECTROSCOPY ; OXYGEN REDUCTION REACTION ; AUGMENTED-WAVE METHOD ; METHANOL ELECTROOXIDATION ; ELECTROCATALYTIC ACTIVITY ; ALLOY NANOWIRES ; PLATINUM ; NANOCRYSTALS ; NANOPARTICLES ; DURABILITY
收录类别SCI
语种英语
WOS记录号WOS:000411589900071
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28602
专题中科院上海应用物理研究所2011-2018年
推荐引用方式
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Mao, JJ,Chen, WX,He, DS,et al. Design of ultrathin Pt-Mo-Ni nanowire catalysts for ethanol electrooxidation[J]. SCIENCE ADVANCES,2017,3(8):-.
APA Mao, JJ.,Chen, WX.,He, DS.,Wan, JW.,Pei, JJ.,...&Li, YD.(2017).Design of ultrathin Pt-Mo-Ni nanowire catalysts for ethanol electrooxidation.SCIENCE ADVANCES,3(8),-.
MLA Mao, JJ,et al."Design of ultrathin Pt-Mo-Ni nanowire catalysts for ethanol electrooxidation".SCIENCE ADVANCES 3.8(2017):-.
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