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作者:

Ren, Dayong (Ren, Dayong.) | Jiang, Daiyan (Jiang, Daiyan.) | Huang, Yueshuang (Huang, Yueshuang.) | Jin, Yuhon (Jin, Yuhon.) | Zeng, Chuitao (Zeng, Chuitao.) | Zhou, Kailing (Zhou, Kailing.) | Wang, Hao (Wang, Hao.) (学者:汪浩)

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EI Scopus SCIE

摘要:

Designing low-content and high-activity Pt-based catalysts with the high durability for the electrochemical hydrogen production remains a challenge. In this study, a ternary metal phosphide (NiCoP) with 1D nanowire (NW) and 2D nanosheet (NS) morphologies incorporating Pt clusters (denoted as Pt cluster -NiCoP@NF NWs and Pt cluster - NiCoP@NF NSs, respectively) was prepared using a hydrothermal -phosphorization -electrodeposition method. Based on the "tip effect " of NWs and a high electrochemical surface area, the as-prepared Pt cluster - NiCoP@NF NWs display better hydrogen evolution reaction (HER) performance, with a low overpotential of 65 mV at a high current density of 100 mA cm -2 and a low Tafel slope of 38.86 mV dec -1 , than the Pt cluster - NiC - oP@NF NSs, with an overportential of 95 mV at 42.53 mV dec -1 . This indicates that the NiCoP NW-based support exhibits faster HER kinetics. The mass activity (11.47 A mgPt - 1 ) of the Pt cluster -NiCoP@NF NWs is higher than that of commercial Pt/C catalysts. Significantly, the Pt cluster -NiCoP@NF NWs display excellent cyclic stability with negligible losses for 5000 cycles and 30-h tests at a high current of 500 mA cm - 2 .

关键词:

Tip effect Pt nanoclusters Metal-support interaction Ternary metal phosphide Hydrogen evolution reaction

作者机构:

  • [ 1 ] [Ren, Dayong]Beijing Univ Technol, Fac Mat & Mfg, Inst Adv Energy Mat & Devices, Key Lab New Funct Mat,Minist Educ, Beijing 100124, Peoples R China
  • [ 2 ] [Jiang, Daiyan]Beijing Univ Technol, Fac Mat & Mfg, Inst Adv Energy Mat & Devices, Key Lab New Funct Mat,Minist Educ, Beijing 100124, Peoples R China
  • [ 3 ] [Huang, Yueshuang]Beijing Univ Technol, Fac Mat & Mfg, Inst Adv Energy Mat & Devices, Key Lab New Funct Mat,Minist Educ, Beijing 100124, Peoples R China
  • [ 4 ] [Jin, Yuhon]Beijing Univ Technol, Fac Mat & Mfg, Inst Adv Energy Mat & Devices, Key Lab New Funct Mat,Minist Educ, Beijing 100124, Peoples R China
  • [ 5 ] [Zeng, Chuitao]Beijing Univ Technol, Fac Mat & Mfg, Inst Adv Energy Mat & Devices, Key Lab New Funct Mat,Minist Educ, Beijing 100124, Peoples R China
  • [ 6 ] [Zhou, Kailing]Beijing Univ Technol, Fac Mat & Mfg, Inst Adv Energy Mat & Devices, Key Lab New Funct Mat,Minist Educ, Beijing 100124, Peoples R China
  • [ 7 ] [Wang, Hao]Beijing Univ Technol, Fac Mat & Mfg, Inst Adv Energy Mat & Devices, Key Lab New Funct Mat,Minist Educ, Beijing 100124, Peoples R China

通讯作者信息:

  • [Jin, Yuhon]Beijing Univ Technol, Fac Mat & Mfg, Inst Adv Energy Mat & Devices, Key Lab New Funct Mat,Minist Educ, Beijing 100124, Peoples R China;;[Wang, Hao]Beijing Univ Technol, Fac Mat & Mfg, Inst Adv Energy Mat & Devices, Key Lab New Funct Mat,Minist Educ, Beijing 100124, Peoples R China;;

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来源 :

JOURNAL OF COLLOID AND INTERFACE SCIENCE

ISSN: 0021-9797

年份: 2024

卷: 665

页码: 510-517

9 . 9 0 0

JCR@2022

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SCOPUS被引频次: 2

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