The preparation and performance of a novel spherical spider web-like structure Ru-Ni / Ni foam catalyst for NaBH4 methanolysis

被引：73

作者：

Wang, Fanghui ^{[1
]}

Luo, Yimeng ^{[1
]}

Wang, Yanan ^{[1
]}

Zhu, Hong ^{[1
]}

机构：

[1] Beijing Univ Chem Technol, Sch Sci, State Key Lab Chem Resource Engn, Dept Organ Chem,Inst Modern Catalysis, Beijing 100029, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2019年 / 44卷 / 26期

基金：

中国国家自然科学基金;

关键词：

Sodium borohydride; Methanolysis; Electroless plating; Electroplating; Catalyst; SODIUM-BOROHYDRIDE HYDROLYSIS; HYDROGEN GENERATION; NANOPARTICLES; WATER;

D O I：

10.1016/j.ijhydene.2019.01.123

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this work, a spherical spider web-like structure Ru-Ni/Ni foam catalyst was prepared for hydrogen evaluation from sodium borohydride (NaBH4) by a combination of electroless plating and electroplating. Microstructure, surface morphology, surface area and elemental composition of the Ru-Ni/Ni foam catalyst were analyzed by X-ray Diffraction (XRD), Scanning Electron Microscopy (SEM-EDS and X-ray Photoelectron Spectroscopy (XPS), Brunauere-Emmette-Teller method (BET, AS-1C-VP), respectively. The influences of Ru-Ni with different molar ratios, NaOH concentration, NaBH4 concentration, and solution temperature on the hydrogen production rate were investigated in this paper. The results showed that the Ru-Ni metals were arrayed densely and uniformly on the surface of Ni foam. The average hydrogen production rate is 360 mL min(-1) g(-1) in 20 wt % of NaBH4, 1 wt % of NaOH at 30 degrees C in the presence of the Ru-Ni/Ni foam catalysts. The calculated activation energy was 39.96 kJ mol(-1) for hydrogen production from sodium borohydride using the Ru-Ni/Ni foam catalyst. (C) 2019 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：13185 / 13194

页数：10

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