Preparation of Ni0.6Cu0.4O/NC catalyst and its catalytic performance for hydrogen production from hydrolysis of ammonia borane

Q3 Energy 燃料化学学报 Pub Date : 2024-08-01 DOI:10.1016/S1872-5813(24)60436-6
Rong LI , Youhua ZUO , Junfeng HUA , Siyu HAO , Lixin XU , Mingfu YE , Chao WAN
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Abstract

Ammonia borane (NH3BH3, AB) is an ideal feedstock with high hydrogen storage capacity. In this paper, nitrogen-containing carbon material (Ni0.6Cu0.4O/NC) catalyst was prepared by high-temperature carbonization of Ni/Cu-ZIF precursor under nitrogen atmosphere. The microstructure as well as the composition of the as-prepared catalyst were characterized. In addition, the catalytic performance of the catalyst was tested under reaction conditions. The results showed that the activation energy (Ea) for hydrolysis of AB over Ni0.6Cu0.4O/NC catalyst was 56.8 kJ/mol with TOF value as high as 1572.2 h–1. The hydrogen production could be approximated as a zero-order reaction with respect to the concentration of AB, and a one-order reaction with respect to the amount of catalyst. The catalyst still maintained good activity after ten cycles, indicating the good stability.

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制备 Ni0.6Cu0.4O/NC 催化剂及其在硼烷氨水解制氢中的催化性能
氨硼烷(NH3BH3,AB)是一种理想的原料,具有很高的储氢能力。本文在氮气氛下对 Ni/Cu-ZIF 前驱体进行高温碳化,制备了含氮碳材料(Ni0.6Cu0.4O/NC)催化剂。对制备的催化剂的微观结构和成分进行了表征。此外,还测试了催化剂在反应条件下的催化性能。结果表明,Ni0.6Cu0.4O/NC 催化剂水解 AB 的活化能(Ea)为 56.8 kJ/mol,TOF 值高达 1572.2 h-1。制氢过程可近似认为是一个与 AB 浓度有关的零阶反应和一个与催化剂用量有关的一阶反应。催化剂在十次循环后仍保持良好的活性,这表明催化剂具有良好的稳定性。
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来源期刊
燃料化学学报
燃料化学学报 Chemical Engineering-Chemical Engineering (all)
CiteScore
2.80
自引率
0.00%
发文量
5825
期刊介绍: Journal of Fuel Chemistry and Technology (Ranliao Huaxue Xuebao) is a Chinese Academy of Sciences(CAS) journal started in 1956, sponsored by the Chinese Chemical Society and the Institute of Coal Chemistry, Chinese Academy of Sciences(CAS). The journal is published bimonthly by Science Press in China and widely distributed in about 20 countries. Journal of Fuel Chemistry and Technology publishes reports of both basic and applied research in the chemistry and chemical engineering of many energy sources, including that involved in the nature, processing and utilization of coal, petroleum, oil shale, natural gas, biomass and synfuels, as well as related subjects of increasing interest such as C1 chemistry, pollutions control and new catalytic materials. Types of publications include original research articles, short communications, research notes and reviews. Both domestic and international contributors are welcome. Manuscripts written in Chinese or English will be accepted. Additional English titles, abstracts and key words should be included in Chinese manuscripts. All manuscripts are subject to critical review by the editorial committee, which is composed of about 10 foreign and 50 Chinese experts in fuel science. Journal of Fuel Chemistry and Technology has been a source of primary research work in fuel chemistry as a Chinese core scientific periodical.
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