氮掺杂碳壳包覆Ru/Co-MOF-74催化硼氢化钠水解制氢性能研究

doi:10.11896/cldb.25040130

材料导报

2026, Vol. 40

Issue (9): 25040130-8 https://doi.org/10.11896/cldb.25040130

无机非金属及其复合材料

氮掺杂碳壳包覆Ru/Co-MOF-74催化硼氢化钠水解制氢性能研究

王艺洁, 孙立贤^*, 徐芬^*, 彭璇, 王合会, 赵仲贤, 苏彦铭

桂林电子科技大学材料科学与工程学院广西信息材料重点实验室暨广西新能源材料结构与性能协同创新中心,广西桂林 541004

Nitrogen-doped Carbon Shell-encapsulated Ru/Co-MOF-74 Catalyst for Enhanced Hydrogen Production via Sodium Borohydride Hydrolysis

WANG Yijie, SUN Lixian^*, XU Fen^*, PENG Xuan, WANG Hehui, ZHAO Zhongxian, SU Yanming

Guangxi Key Laboratory of Information Materials & Guangxi Collaborative Innovation Center for Structure and Properties for New Energy and Materials, School of Material Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, Guangxi, China

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摘要氢能具有零碳排放特性,是解决化石燃料依赖和环境污染问题的重要途径。硼氢化钠(NaBH₄)具有含氢量高(10.8%)、化学性质稳定等优点,成为储氢材料的研究热点,在便携式燃料电池或应急氢源中展现出巨大的潜力。然而NaBH₄室温下自水解反应缓慢,因此需开发高效催化剂以提高制氢效率。本工作采用溶剂热法合成金属有机框架Co-MOF-74并负载Ru纳米颗粒,进一步利用聚多巴胺碳化包覆策略构建核壳结构的Ru/Co-MOF-74-NC复合催化剂,其独特的结构设计与Ru-Co协同效应显著提升了NaBH₄水解制氢性能。结果表明,在303 K及Ru/Co-MOF-74-NC的催化作用下,NaBH₄水解制氢速率为6 354.2 mL·min^-1·g^-1,活化能降至32.1 kJ·mol^-1。另外,碳壳包覆有效抑制了Ru金属的团聚与流失,增强了催化稳定性,催化剂在8次复用后保持其初始活性的79.3%。本工作对于新型制氢材料催化剂的研制具有重要意义。

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	王艺洁
	孙立贤
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	彭璇
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	赵仲贤
	苏彦铭

关键词: NaBH₄ 催化剂 Co-MOF-74 钌协同效应制氢

Abstract: Hydrogen energy, with its zero-carbon emissions, is a critical solution to address fossil fuel dependence and environmental pollution. Sodium borohydride (NaBH₄), renowned for its high hydrogen content (10.8%) and chemical stability, offers a promising approach for hydrogen storage and transportation, particularly for portable fuel cells and emergency hydrogen sources. However, its sluggish room-temperature hydrolysis reaction necessitates the development of efficient catalysts to enhance hydrogen generation rate (HGR). In this study, a nitrogen-doped carbon-coated Ru/Co-MOF-74 composite catalyst (Ru/Co-MOF-74-NC) was synthesized via a solvothermal method combined with polydopamine-derived carbon coating. This core-shell structure, coupled with Ru-Co synergistic effects and nitrogen-doped carbon encapsulation, significantly improved the catalytic performance of NaBH₄ hydrolysis. The results showed that under the catalytic action of Ru/Co-MOF-74-NC at 303 K, the HGR reached 6 354.2 mL·min^-1·g^-1, with the activation energy reduced to 32.1 kJ·mol^-1 due to the synergistic interaction between Ru and Co. Notably, the nitrogen-doped carbon layer effectively suppressed Ru nanoparticle agglomeration and leaching, enhancing catalytic stability. After 8 cycles, the catalyst retained 79.3% of its initial activity, demonstrating its robustness for practical applications. This work provides a novel strategy for designing high-performance catalysts for hydrogen storage systems.

Key words: sodium borohydride catalyst Co-MOF-74 ruthenium synergistic effect hydrogen generation

收稿日期: 2026-05-10 出版日期: 2026-05-10 发布日期: 2026-05-18

ZTFLH:

TB34

基金资助: 国家自然科学基金(52461032;52271205;U20A20237;52371218;52101245);广西科技研发基金(AA19182014);广西重点研发计划(桂科AB23075142;AB21220027;2021AB17045);广西科技重大专项(桂科AA24206022);桂林市科学技术研究开发项目(20210102-4);广西电子信息材料构效关系重点实验室基金(231006-Z);南宁市邕江计划(2021007);广西植物功能物质与资源持续利用重点实验室(FPRU2022-4);广西八桂学者基金;漓江学者基金;南宁市钙基纳米材料创新联合体;桂林市一类人才项目;南宁A类人才项目;广西新能源材料结构与性能协同创新中心;中德合作项目(GZ1528)

通讯作者: ^*孙立贤,博士,桂林电子科技大学材料科学与工程学院教授、博/硕士研究生导师。目前主要从事制/储氢材料、相变储热材料、超级电容器电极材料、传感材料、机器学习等方面的研究。sunlx@guet.edu.cn
徐芬,博士,桂林电子科技大学材料科学与工程学院教授、博/硕士研究生导师。目前主要从事制/储氢材料、相变储热材料、超级电容器电极材料、传感材料等方面的研究。xufen@guet.edu.cn

作者简介: 王艺洁,桂林电子科技大学材料科学与工程学院硕士研究生,在孙立贤教授、徐芬教授的指导下研究硼氢化钠水解制氢。

引用本文:

王艺洁, 孙立贤, 徐芬, 彭璇, 王合会, 赵仲贤, 苏彦铭. 氮掺杂碳壳包覆Ru/Co-MOF-74催化硼氢化钠水解制氢性能研究[J]. 材料导报, 2026, 40(9): 25040130-8.
WANG Yijie, SUN Lixian, XU Fen, PENG Xuan, WANG Hehui, ZHAO Zhongxian, SU Yanming. Nitrogen-doped Carbon Shell-encapsulated Ru/Co-MOF-74 Catalyst for Enhanced Hydrogen Production via Sodium Borohydride Hydrolysis. Materials Reports, 2026, 40(9): 25040130-8.

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https://www.mater-rep.com/CN/10.11896/cldb.25040130 或 https://www.mater-rep.com/CN/Y2026/V40/I9/25040130

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