Cited by 217Electrocatalysts for Energy ConversionMXene and MAX Phase MaterialsHydrogen Storage and Materials

Anchoring sub-nanometer Pt clusters on crumpled paper-like MXene enables high hydrogen evolution mass activity

Wu, Yucai, Wei, Wei, Yu, Ruohan, Xia, Lixue, Hong, Xufeng, Zhu, Jiexin, Li, Jiantao, Lv, Lei +4 more·2022·Advanced Functional Materials

Abstract

Platinum (Pt)‐based electrocatalysts are the benchmark catalysts for hydrogen evolution reaction (HER); however, they are limited by the scarcity and high price. Introducing an adequate substrate to disperse and anchor Pt‐based species is a feasible pathway to improve the utilization efficiency. Herein, a quick and continuous spray drying route is proposed to fabricate 3D crumpled Ti3C2Tx MXene loaded with sub‐nanometer platinum clusters (Pt/MXene). The 3D crumpled structure inhibits the restacking of layered MXene nanosheets and guarantees the fully exposure of Pt clusters. The as‐prepared catalyst exhibits excellent HER performances comparable to commercial Pt/C, including a low overpotential of 34 mV to reach a current density of 10 mA cm−2, a superior mass activity (1847 mA mgPt−1), a small Tafel slope (29.7 mV dec−1), and a high turnover frequency (10.66 H2 s−1). The improved activity of Pt/MXene can be attributed to the charge transfer from Pt clusters to MXene, which weakens the hydrogen adsorption, as evidenced by the density functional theory calculations. The present contribution proposes a novel strategy to anchor low‐mass‐loading sub‐nanometer precious metal clusters on crumpled MXene with fully exposed active sites for catalysis.

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Crossref · 10.1002/adfm.202110910

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  • The surface terminals (Ti-OH or Ti-O) of Ti3C2Tx interact with the Pt species and optimize the electronic states of Pt, which can effectively modulate the catalytic activity.

    “Moreover, the surface terminals (TieOH or TieO) of the Ti3C2Tx interact with the Pt species, and optimize the electronic states of Pt, which can effectively modulate the catalytic activity [19].”

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Authors
Wu, Y., Wei, W., Yu, R., Xia, L., Hong, X., Zhu, J., Li, J., Lv, L., Chen, W., Zhao, Y., Zhou, L., & Mai, L.
Affiliations
Wuhan University of Technology (CN)
Corresponding author
  • Zhao, Yan
  • Zhou, Liang
  • Mai, Liqiang
Venue
Advanced Functional Materials
Publisher
Wiley
Published
2022-01-13
Volume
32
Issue
17
ISSN
  • 1616-301X (ISSN-L)
  • 1616-3028
OpenAlex
W4205719490
Cited by
217
References
0
Citations by year
2026: 22 · 2025: 54 · 2024: 54 · 2023: 60 · 2022: 27
FWCI
8.78
Type
journal article
Language
en
Open access
closed
Locations
Advanced Functional Materials (publishedVersion)
Funders
  • National Key Research and Development Program of China (2020YFA0715004)
  • National Natural Science Foundation of China (51832004)
  • Fundamental Research Funds for the Central Universities (2020III 004GX, 202010497004)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
  • Physical Sciences › Materials Science › Materials Chemistry › MXene and MAX Phase Materials
  • Physical Sciences › Materials Science › Materials Chemistry › Hydrogen Storage and Materials
Keywords
hydrogen evolution reaction, platinum clusters, Ti3C2Tx MXene, spray drying, electrocatalysts, mass activity, charge transfer, hydrogen adsorption, MXene restacking, noble metal catalysts

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