Cited by 130Electrocatalysts for Energy ConversionCO2 Reduction Techniques and CatalystsHydrogen Storage and Materials

The DOI matches its Crossref record; 63 of the 63 references it cites were found in a registry or an index.

Triple Interface Optimization of Ru‐based Electrocatalyst with Enhanced Activity and Stability for Hydrogen Evolution Reaction

Open access
Li, Guozheng, Sun, Tong, Niu, Hua‐Jie, Yan, Yu, Liu, Tong, Jiang, Sisi, Yang, Qinglin, Zhou, Wei, Guo, Lin·2023·Advanced Functional Materials

Abstract

A challenging task is to promote Ru atom economy and simultaneously alleviate Ru dissolution during the hydrogen evolution reaction (HER) process. Herein, Ru nanograins (≈1.7 nm in size) uniformly grown on 1 T‐MoS 2 lace‐decorated Ti 3 C 2 T x MXene sheets (Ru@1 T‐MoS 2‐MXene) are successfully synthesized with three types of interfaces (Ru/MoS 2, Ru/MXene, and MoS 2/MXene). It gives high mass activity of 0.79 mA µg Ru−1 at an overpotential of 100 mV, which is ≈36 times that of Ru NPs. It also has a much smaller Ru dissolution rate (9 ng h−1), accounting for 22% of the rate for Ru NPs. Electrochemical tests, scanning electrochemical microscopy measurements combined with DFT calculations disclose the role of triple interface optimization in improved activity and stability. First, 2D MoS 2 and MXene can well disperse and stabilize Ru grains, giving larger electrochemical active area. Then, Ru/MoS 2 interfaces weakening H* adsorption energy and Ru/MXene interfaces enhancing electrical conductivity, can efficiently improve the activity. Next, MoS 2/MXene interfaces can protect MXene sheet edges from oxidation and keep 1 T‐MoS 2 phase stability during the long‐term catalytic process. Meanwhile, Ru@1 T‐MoS 2‐MXene also displays superior activity and stability in neutral and alkaline media. This work provides a multiple‐interface optimization route to develop high‐efficiency and durable pH‐universal Ru‐based HER electrocatalysts.

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Metadata

Authors
Li, G., Sun, T., Niu, H., Yan, Y., Liu, T., Jiang, S., Yang, Q., Zhou, W., & Guo, L.
Affiliations
  • School of Chemistry Beijing Advanced Innovation Center for Biomedical Engineering Beihang University Beijing 100191 China
  • Qingdao University (CN)
  • Beihang University (CN)
Corresponding author
Zhou, Wei
Venue
Advanced Functional Materials
Publisher
Wiley
Published
2023-01-17
Volume
33
Issue
13
ISSN
  • 1616-301X (ISSN-L)
  • 1616-3028
OpenAlex
W4319836484
Cited by
130
References
63
Citations by year
2026: 18 · 2025: 41 · 2024: 46 · 2023: 25
FWCI
6.20
Type
journal article
Language
en
Open access
Locations
Advanced Functional Materials (publishedVersion)
Funders
National Natural Science Foundation of China (52172176, 51972011)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › CO2 Reduction Techniques and Catalysts
  • Physical Sciences › Materials Science › Materials Chemistry › Hydrogen Storage and Materials
Keywords
hydrogen evolution reaction, ruthenium electrocatalysts, 1T-MoS2, MXene, Ti3C2Tx, H* adsorption energy, edge protection, pH-universal catalysis, alkaline electrocatalysis, mass activity

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