Journal of Energy Chemistry

Journal of Energy Chemistry ›› 2023, Vol. 86 ›› Issue (11): 518-535.DOI: 10.1016/j.jechem.2023.07.027

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Hydrogel-based catalysts for hydrogen generation by the hydrolysis of B-H compounds under external physical fields

Chunling Qina, Wenliu Wua, Hassanien Gomaaa, Shuai Wua, Cuihua Ana,*, Qibo Denga,c,*, Ning Hua,b,*   

  1. aKey Laboratory of Hebei Province on Scale-span Intelligent Equipment Technology, School of Mechanical Engineering, and School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300401, China;
    bState Key Laboratory of Reliability and Intelligence Electrical Equipment, Hebei University of Technology, Tianjin 300130, China;
    cAdvanced Equipment Research Institute Co., Ltd. Of HEBUT, Tianjin 300401, China
  • Received:2023-06-11 Revised:2023-07-16 Accepted:2023-07-23 Online:2023-11-15 Published:2023-11-07
  • Contact: *E-mail addresses: ancuihua@hebut.edu.cn (C. An), qibodeng@hebut.edu.cn (Q. Deng), ninghu@hebut.edu.cn (N. Hu).
  • About author:Chunling Qin obtained her doctoral degree from Tohoku University in Japan in 2003. From 2003 to 2010, she successively worked as a postdoctoral researcher, full-time researcher, and assistant professor at the Institute for Materials Research at Tohoku University, Japan Science and Technology Agency, and Advanced Institute for Materials Research at Tohoku University. She is currently a professor at Hebei University of Technology. Her current research direction is new energy materials.
    Wenliu Wu obtained his B.S. in 2022 from Hebei University of Technology, China, and he is now studying for a master's degree at School of Materials Science and Engineering, Hebei University of Technology. His current research interests focus on hydrogel-based catalysts and their applications in electrocatalysis.
    Cuihua An is currently an associate professor at the Hebei University of Technology. She received her PhD degree from Nankai University in 2015. Her research focuses on the design and synthesis of nano/micromaterials for electrocatalysis and the related electrochemical reaction mechanisms.
    Qibo Deng received his bachelor's (2007) and master's degrees (2009) in Solid Mechanics at the Beijing Institute of Technology, China and then received his PhD degree in Material Physics and Technology at the Hamburg University of Technology, Germany in 2014. He is currently working as a full professor at the Hebei University of Technology, China. His research focuses on the electrocapillary coupling of surface mechanics and electrochemistry at the solid-liquid interface, as well as the surface-mechanics-induced improvement of electrochemical properties of the electrode materials. He received the International Association of Advanced Materials (IAAM) Scientist Medal in the year 2019. He has been honored with the Fellow of the IAAM and Vebleo Fellow.
    Ning Hu is a professor, doctoral supervisor, and national-level talent. He currently serves as the Vice President at Hebei University of Technology. He has led over 10 research projects. He has published more than 460 academic journal papers (including over 350 SCI papers) in Chinese, Japanese, and English. He has long been dedicated to research work in various areas such as solid mechanics, computational materials science, and the evaluation of physical properties of structures and materials in terms of force, heat, and electricity.

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Abstract: Hydrogen is a popular clean high-energy-density fuel. However, its utilization is limited by the challenges toward low-cost hydrogen production and safe hydrogen storage. Fortunately, these issues can be addressed using promising hydrogen storage materials such as B-H compounds. Hydrogen stored in B-H compounds can be released by hydrolysis at room temperature, which requires catalysts to increase the rate of the reaction. Recently, several effective approaches have been developed for hydrogen generation by catalyzing the hydrolysis of B-H compounds. This review summarizes the existing research on the use of nanoparticles loaded on hydrogels as catalysts for the hydrolysis of B-H compounds. First, the factors affecting the hydrolysis rate, such as temperature, pH, reactant concentration, and type of nano particles, were investigated. Further, the preparation methods (in situ reduction, one-pot method, template adsorption, etc.) for the hydrogel catalysts and the types of loaded catalysts were determined. Additionally, the hydrogel catalysts that can respond to magnetic fields, ultrasound fields, optical fields, and other physical fields are introduced. Finally, the issues and future developments of hydrogel-based catalysts are discussed. This review can inspire deeper investigations and provide guidance for the study of hydrogel catalysts in the field of hydrogen production via hydrolysis.

Key words: Hydrogel, Nanoparticle catalyst, B-H compounds, Hydrolysis reaction, External physical field