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Nano Research 2017, 10(10): 3324-3332 https://doi.org/10.1007/s12274-017-1545-z
Research Article | Issue | Published: 27 May 2017

Trimetallic PtRhNi alloy nanoassemblies as highly active electrocatalyst for ethanol electrooxidation

Show Author's Information Huimin Liu1,  Jiahui Li2,  Lijuan Wang3,  Yawen Tang2( ),  Bao Yu Xia3,4( ),  Yu Chen1( )
Key Laboratory of Macromolecular Science of Shaanxi ProvinceShaanxi Key Laboratory for Advanced Energy DevicesShaanxi Engineering Lab for Advanced Energy TechnologySchool of Materials Science and EngineeringShaanxi Normal University, 620 Changan RoadXi'an710062China
Jiangsu Key Laboratory of New Power BatteriesJiangsu Collaborative Innovation Center of Biomedical Functional MaterialsSchool of Chemistry and Materials ScienceNanjing Normal University, 1 Wenyuan RoadNanjing210023China
A key laboratory of Material Chemistry for Energy Conversion and StorageMinistry of EducationHubei Key Laboratory of Material Chemistry and Service FailureSchool of Chemistry and Chemical EngineeringWuhan National Laboratory for OptoelectronicsHuazhong University of Science and Technology (HUST), 1037 Luoyu RoadWuhan430074China
Shenzhen Institute of Huazhong University of Science and Technology, 9 Yuexing RoadShenzhen518000China
Keywords:
electrocatalysis, ethanol oxidation reaction, cyanogel, activity, trimetallic alloy
Cite this article:
Liu H, Li J, Wang L, et al. Trimetallic PtRhNi alloy nanoassemblies as highly active electrocatalyst for ethanol electrooxidation. Nano Research, 2017, 10(10): 3324-3332. https://doi.org/10.1007/s12274-017-1545-z
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Abstract Electronic supplementary material About this article

Although nanostructures based on noble metal alloys are widely utilized in (electro)catalysis, their low-temperature synthesis remains an enormous challenge due to the different Nernst equilibrium potentials of metal precursors. Herein, we describe the successful synthesis of trimetallic PtRhNi alloy nanoassemblies (PtRhNi-ANAs) with tunable Pt/Rh ratios using a simple mixed cyanogel reduction method and provide a detailed characterization of their chemical composition, morphology, and structure. Additionally, the electrochemical properties of PtRhNi-ANAs are examined by cyclic voltammetry, revealing composition-dependent electrocatalytic activity in the ethanol oxidation reaction (EOR). Compared to a commercial Pt black electrocatalyst, optimized Pt3Rh1Ni2-ANAs display remarkably enhanced EOR electrocatalytic performance in alkaline media.

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Acknowledgements

Publication history

Received: 22 January 2017
Revised: 16 February 2017
Accepted: 18 February 2017
Published: 27 May 2017
Issue date: October 2017

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© Tsinghua University Press and Springer-Verlag Berlin Heidelberg 2017

Acknowledgements

Acknowledgements

We acknowledge financial support by the National Natural Science Foundation of China (Nos. 21473111 and 21376122), Fundamental Research Funds for the Central Universities (No. GK201602002), Innovation Foundation of Shenzhen Government (No. JCYJ20160408173202143), the Joint Fund of Energy Storage of Qingdao (No. 20160012), and the Fundamental Research Funds of Huazhong University of Science and Technology (Nos. 3004013109 and 0118013089). We acknowledge the support of Analytical and Testing Center of Huazhong University of Science and Technology for SEM and XPS measurements.

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