Premium
Uniformly Dispersed Ru Nanoparticles Constructed by In Situ Confined Polymerization of Ionic Liquids for the Electrocatalytic Hydrogen Evolution Reaction
Author(s) -
Zhang YongYa,
Zhang Nan,
Peng Peng,
Wang Rui,
Jin Yan,
Lv YaKun,
Wang Xin,
Wei Wei,
Zang ShuangQuan
Publication year - 2021
Publication title -
small methods
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 4.66
H-Index - 46
ISSN - 2366-9608
DOI - 10.1002/smtd.202100505
Subject(s) - tafel equation , overpotential , ionic liquid , catalysis , materials science , chemical engineering , nanoparticle , water splitting , polymerization , hydrogen , lamellar structure , carbon fibers , nanotechnology , inorganic chemistry , chemistry , electrode , electrochemistry , organic chemistry , composite number , polymer , composite material , photocatalysis , engineering
Design and development of cost‐effective electrocatalysts with high efficiency and stability for scalable and sustainable hydrogen production through water splitting is still challenging. Herein, with the aid of divinyl functionalized ionic liquids, uniformly distributed Ru nanoparticles (NPs) on nitrogen‐doped carbon frameworks are obtained via an in situ confined polymerization strategy. Attributed to the unique lamellar structure and confinement effect of carbon supports, the optimized homo‐PIL‐Ru/C‐600 (with Ru 10 wt%) catalyst exhibits superior catalytic efficiency for the hydrogen evolution reaction with the overpotential of only 16 mV at a current density of 10 mA cm −2 and the corresponding Tafel slope of only 42 mV dec −1 . Moreover, the performance can be well reserved even after 10 000 cycles, demonstrating excellent stability and promising potentials for industrial application. This work not only provides a facile approach for the preparation of highly efficient Ru‐based catalysts, but also guides the synthesis of other highly dispersed metallic NPs for special applications.