Efficient Contact between H2O and N-Coordinate Ru Nanoparticles in Three-Dimensionally Ordered Macro/Mesoporous Carbon Boosting Alkaline HER

被引：15
|
作者：
Luo, Jiaqing [1 ,2 ]
Liu, Chunyu [1 ,2 ]
Zhang, Ruolin [5 ]
Sun, Yuanqing [1 ,2 ,4 ]
Xu, Hua [5 ]
Hu, Qingying [1 ,2 ]
Zhang, Manxue [1 ,2 ]
Li, Jun [6 ]
Li, Zhenxing [1 ,2 ]
Song, Weiyu [1 ,2 ]
Wei, Yuechang [1 ,2 ,4 ]
Liu, Jian [1 ,2 ,3 ]
机构：
[1] China Univ Petr, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
[2] China Univ Petr, Beijing Key Lab Oil & Gas Opt Detect Technol, Beijing 102249, Peoples R China
[3] China Univ Petr Beijing Karamay, Lab Heavy Oil Karamay, Karamay 834000, Xinjiang, Peoples R China
[4] China Univ Petr, Coll Sci, Basic Res Ctr Energy Interdisciplinary, Beijing 102249, Peoples R China
[5] PetroChina Co Ltd, Petrochem Res Inst, Beijing 102206, Peoples R China
[6] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China
来源：
CHINESE JOURNAL OF CHEMISTRY | 2024年 / 42卷 / 02期
基金：
中国国家自然科学基金;
关键词：
3DOMMC; Hydrogen evolution reaction; Electrocatalysis; Solid-liquid contact; Energy conversion; HYDROGEN EVOLUTION REACTION;
D O I：
10.1002/cjoc.202300414
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this study, a novel approach is proposed to achieve the uniformly dispersed Ru nanoparticles with N coordination loaded on three-dimensionally ordered macro/mesoporous carbon (3DOMMC) through simultaneous pyrolysis of Ru3+ and cyanamide on 3DOMMC. In an alkaline medium, the synthesized catalysts exhibit exceptional hydrogen evolution reaction (HER) performance. Specifically, Ru-N/3DOMMC demonstrates a significantly low overpotential of 13.8 mV to achieve a current density of 10 mA<middle dot>cm(-2), and it exhibits a mass activity 17.5 times higher than that of commercial Pt/C. The outstanding performance could be attributed to the ultrahigh Ru dispersion and more efficient contact between active sites and reactant, which derived from the large specific surface area and interconnective three-dimensionally macro/mesopores of 3DOMMC.
引用
收藏
页码：164 / 170
页数：7
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