Double‐Solvent Induced Ultrafine Ruthenium Nanoparticles on Porous Carbon for Highly Efficient Hydrogen Evolution Reaction | Zendy

Zhang Zitao | Zendy; Gao Song | Zendy; Liang Zibin | Zendy; Zhang Kexin | Zendy; Guo Huichuan | Zendy; Tang Yanqun | Zendy; Qiu Tianjie | Zendy; Tabassum Hassina | Zendy; Shi Jinming | Zendy; Meng Wei | Zendy; Zou Ruqiang | Zendy

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Double‐Solvent Induced Ultrafine Ruthenium Nanoparticles on Porous Carbon for Highly Efficient Hydrogen Evolution Reaction

Author(s) -

Zhang Zitao,

Gao Song,

Liang Zibin,

Zhang Kexin,

Guo Huichuan,

Tang Yanqun,

Qiu Tianjie,

Tabassum Hassina,

Shi Jinming,

Meng Wei,

Zou Ruqiang

Publication year - 2020

Publication title -

chemcatchem

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.497

H-Index - 106

eISSN - 1867-3899

pISSN - 1867-3880

DOI - 10.1002/cctc.202000067

Subject(s) - electrocatalyst , overpotential , ruthenium , catalysis , materials science , nanoparticle , carbon fibers , solvent , chemical engineering , platinum , pyrolysis , inorganic chemistry , composite number , nanotechnology , chemistry , electrochemistry , organic chemistry , composite material , electrode , engineering

For hydrogen evolution reaction (HER) in alkaline solution, the state‐of‐the‐art platinum(Pt)‐based electrocatalysts showed a bunch of drawbacks including high cost, poor durability and scarcity, making it essential to develop Pt‐free electrocatalysts. In this work, we employed a double‐solvent approach to prepare a ruthenium(Ru)‐dispersed metal‐organic framework composite, which was further pyrolyzed to obtain a novel Ru/C electrocatalyst with a Ru loading of 2.7 wt %. The target electrocatalyst showed ultrahigh activity for HER in 1 M KOH that outperformed commercial Pt/C catalyst (20 wt %) with an overpotential of 27 mV @ 25 mA cm −2 and 86 mV @ 100 mA cm −2 . This work not only provides a promising electrocatalyst for highly efficient HER in alkaline solution, but also offers a double‐solvent strategy for the fabrication of various metal/carbon composites with uniform distribution of ultrafine metal nanoparticles.

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