Highly dispersed Ru nanospecies on N-doped carbon/MXene composite for highly efficient alkaline hydrogen evolution  

作　　者：Minying Wu Xueliang Fan Wenbiao Zhang Bin Chen Tong Ye Qian Zhang Yuanyuan Fang Yajun Wang Yi Tang 

机构地区：[1]Department of Chemistry,Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials,and Laboratory of Advanced Materials,Fudan University,Shanghai 200438,China [2]College of Chemistry&Materials Engineering,Wenzhou University,Wenzhou 325027,China

出　　处：《Chinese Chemical Letters》2024年第4期153-159,共7页中国化学快报（英文版）

基　　金：financially supported by the National Key R&D Program of China (No.2018YFA0209402);the National Natural Science Foundation of China (Nos.22088101, 22175132, 22072028)。

摘　　要：Hydrogen has emerged as a promising environmentally friendly energy source. The development of lowcost, highly active, stable, and easily synthesized catalysts for hydrogen evolution reactions(HER) remains a significant challenge. This study explored the synthesis of nitrogen-doped MXene-based composite catalysts for enhanced HER performance. By thermally decomposing RuCl_(3) coordinated with melamine and formaldehyde resin, we successfully introduced nitrogen-doped carbon(N–C) with highly dispersed ruthenium(Ru) onto the MXene surface. The calcination temperature played a crucial role in controlling the size of Ru nanoparticles(Ru NPs) and the proportion of Ru single-atom(Ru SA), thereby facilitating the synergistic enhancement of HER performance by Ru NPs and Ru SA. The resulting catalyst prepared with a calcination temperature of 600℃, Ti_(3)C_(2)T_x-N/C-Ru-600(TNCR-600), exhibited exceptional HER activity(η10= 17 m V) and stability(160 h) under alkaline conditions. This work presented a simple and effective strategy for synthesizing composite catalysts, offering new insights into the design and regulation of high-performance Ru-based catalysts for hydrogen production.

关 键 词：HER activity Highly dispersed Ru-based catalysts MXene Alkaline condition 

分 类 号：TB332[一般工业技术—材料科学与工程] TQ426[化学工程] TQ116.2