Ni0.6Cu0.4O/NC催化剂的制备及其催化氨硼烷水解制氢性能研究OA北大核心CSTPCD
Preparation of Ni0.6Cu0.4O/NC catalyst and its catalytic performance for hydrogen production from hydrolysis of ammonia borane
本研究在氮气气氛下高温碳化Ni/Cu-ZIF前驱体制备了一种含氮炭材料(Ni0.6 Cu0.4 O/NC)催化剂,并采用多种表征方法对所制备催化剂的微观结构以及组成成分进行了研究.此外,通过控制变量法探究了催化剂的催化性能以及变化规律.研究结果表明,Ni0.6 Cu0.4 O/NC催化AB水解制氢的活化能(Ea)为 56.8 kJ/mol,TOF值高达 1572.2 h-1.该催化剂催化AB水解制氢速率对于AB自身浓度可近似看作零级反应,而相对于催化剂的用量可近似看作一级反应.催化剂经过10 次循环后仍然保持良好的催化活性,表明其具有良好的稳定性.
Ammonia borane(NH3 BH3,AB)is an ideal feedstock with high hydrogen storage capacity.In this paper,nitrogen-containing carbon material(Ni0.6 Cu0.4 O/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 were tested under reaction conditions.The results showed that the activation energy(Ea)for hydrolysis of AB over Ni0.6 Cu0.4 O/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.
李蓉;左佑华;花俊峰;郝思雨;许立信;叶明富;万超
安徽工业大学化学与化工学院,安徽马鞍山 243032浙江省环境科技有限公司 浙江杭州 310027安徽工业大学化学与化工学院,安徽马鞍山 243032||安徽工业大学生物膜法水质净化及利用技术教育部工程研究中心,安徽马鞍山 243032||南开大学先进能源材料化学教育部重点实验室,天津 300071安徽工业大学化学与化工学院,安徽马鞍山 243032||南开大学先进能源材料化学教育部重点实验室,天津 300071||常州大学江苏省绿色催化材料与技术重点实验室,江苏常州 213164||浙江大学化学工程与生物工程学院,浙江杭州 310058
化学
含氮炭材料氨硼烷水解制氢
nitrogen-containing carbon materialammonia boranehydrogen hydrolysis
《燃料化学学报（中英文）》 2024 (008)
1184-1192 / 9
The project was supported by the National Natural Science Foundation of China(22108238,U22A20408),Anhui Provincial Natural Science Foundation(1908085QB68),China Postdoctoral Science Foundation(2019M662060,PC2022046,2020T130580),Open Research Funds of Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology(BM2012110),2022,2023 National Undergraduate Innovation and entrepreneurship training program(202210360037,S202310260212),Supported by the Open Project of Engineering Research Center of Biofilm Water Purification and Utilization Technology of Ministry of Education(BWPU2023KF06).国家自然科学基金青年基金(22108238,U22A20408),安徽省自然科学基金青年基金(1908085QB68),中国博士后项目(2019M662060,PC2022046,2020T130580),江苏省绿色催化材料与技术重点实验室(BM2012110),2022,2023年国家级大学生创新创业训练计划项目(202210360037,S202310260212),生物膜法水质净化及利用技术教育部工程研究中心开放基金(BWPU2023KF06)资助
评论