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RuCo Alloy Nanoparticles Embedded into N-Doped Carbon for High Efficiency Hydrogen Evolution Electrocatalyst

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  • Cheng Wang

    (Science and Technology on Surface Physics and Chemistry Laboratory, Jiangyou 621908, China
    State Key Laboratory of Electroanalytical Chemistry, Laboratory of Advanced Power Sources, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China)

  • Yibo Wang

    (State Key Laboratory of Electroanalytical Chemistry, Laboratory of Advanced Power Sources, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China)

  • Zhaoping Shi

    (State Key Laboratory of Electroanalytical Chemistry, Laboratory of Advanced Power Sources, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China)

  • Wenhua Luo

    (Science and Technology on Surface Physics and Chemistry Laboratory, Jiangyou 621908, China
    Institute of Materials, China Academy of Engineering Physics, Jiangyou 621907, China)

  • Junjie Ge

    (State Key Laboratory of Electroanalytical Chemistry, Laboratory of Advanced Power Sources, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China)

  • Wei Xing

    (State Key Laboratory of Electroanalytical Chemistry, Laboratory of Advanced Power Sources, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China)

  • Ge Sang

    (Science and Technology on Surface Physics and Chemistry Laboratory, Jiangyou 621908, China
    Institute of Materials, China Academy of Engineering Physics, Jiangyou 621907, China)

  • Changpeng Liu

    (State Key Laboratory of Electroanalytical Chemistry, Laboratory of Advanced Power Sources, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China)

Abstract

For large-scale and sustainable water electrolysis, it is of great significance to develop cheap and efficient electrocatalysts that can replace platinum. Currently, it is difficult for most catalysts to combine high activity and stability. To solve this problem, we use cobalt to regulate the electronic structure of ruthenium to achieve high activity, and use carbon matrix to protect alloy nanoparticles to achieve high stability. Herein, based on the zeolitic imidazolate frameworks (ZIFs), a novel hybrid composed of RuCo alloy nano-particles and N-doped carbon was prepared via a facile pyrolysis-displacement-sintering strategy. Due to the unique porous structure and multi-component synergy, the optimal RuCo500@NC750 material in both acidic and alkaline media exhibited eminent HER catalytic activity. Notably, the 3-RuCo500@NC750 obtained a current density of 10 mA cm −2 at 22 mV and 31 mV in 0.5 M H 2 SO 4 and 1.0 M KOH, respectively, comparable to that of the reference Pt/C catalyst. Furthermore, the Tafel slopes of the catalyst are 52 mV Dec −1 and 47 mV Dec −1 , respectively, under acid and alkali conditions, and the catalyst has good stability, indicating that it has broad application prospects in practical electrolytic systems. This work contributes to understanding the role of carbon-supported polymetallic alloy in the electrocatalytic hydrogen evolution process, and provides some inspiration for the development of a high efficiency hydrogen evolution catalyst.

Suggested Citation

  • Cheng Wang & Yibo Wang & Zhaoping Shi & Wenhua Luo & Junjie Ge & Wei Xing & Ge Sang & Changpeng Liu, 2022. "RuCo Alloy Nanoparticles Embedded into N-Doped Carbon for High Efficiency Hydrogen Evolution Electrocatalyst," Energies, MDPI, vol. 15(8), pages 1-13, April.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:8:p:2908-:d:794719
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    References listed on IDEAS

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    1. João Brito & João Restivo & Juliana P. S. Sousa & Natalia C. M. Spera & D. S. Falcão & Amadeu Rocha & A. M. F. R. Pinto & Manuel Fernando R. Pereira & Olívia Salomé G. P. Soares, 2022. "Implementation of Transition Metal Phosphides as Pt-Free Catalysts for PEM Water Electrolysis," Energies, MDPI, vol. 15(5), pages 1-18, March.
    2. Omnia Samy & Amine El Moutaouakil, 2021. "A Review on MoS 2 Energy Applications: Recent Developments and Challenges," Energies, MDPI, vol. 14(15), pages 1-20, July.
    3. Zuraya Angeles-Olvera & Alfonso Crespo-Yapur & Oliver Rodríguez & Jorge L. Cholula-Díaz & Luz María Martínez & Marcelo Videa, 2022. "Nickel-Based Electrocatalysts for Water Electrolysis," Energies, MDPI, vol. 15(5), pages 1-35, February.
    4. Zhaoyan Luo & Hao Zhang & Yuqi Yang & Xian Wang & Yang Li & Zhao Jin & Zheng Jiang & Changpeng Liu & Wei Xing & Junjie Ge, 2020. "Reactant friendly hydrogen evolution interface based on di-anionic MoS2 surface," Nature Communications, Nature, vol. 11(1), pages 1-9, December.
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    Cited by:

    1. Wenxian Liu & Zhengguang Qin & Xiaojing Dai & Shibo Meng & Xinxin Niu & Wenhui Shi & Fangfang Wu & Xiehong Cao, 2023. "Coupling of NiFe Layered Double Hydroxides with Sulfides for Highly Efficient Urea Electrolysis and Hydrogen Evolution," Energies, MDPI, vol. 16(3), pages 1-10, January.

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