Affiliation:
1. College of Science Henan Agricultural University 95 Wenhua Road Zhengzhou 450002 P. R. China
2. Research Center of Green Catalysis College of Chemistry School of Physics and Microelectronics Zhengzhou University 100 Science Road Zhengzhou 450001 P. R. China
3. College of Chemistry and Chemical Engineering Henan Key Laboratory of Coal Green Conversion Henan Polytechnic University 2001 Century Avenue Jiaozuo 454000 P. R. China
4. Institute of Chemical Industry of Forest Products CAF National Engineering Lab for Biomass Chemical Utilization Key and Open Lab on Forest Chemical Engineering SFA 16 Suojinwucun Nanjing 210042 P. R. China
5. ISM UMR CNRS N° 5255 Univ. Bordeaux Talence Cedex 33405 France
Abstract
AbstractAmmonia borane (AB), a liquid hydrogen storage material, has attracted increasing attention for hydrogen utilization because of its high hydrogen content. However, the slow kinetics of AB hydrolysis and the indefinite catalytic mechanism remain significant problems for its large‐scale practical application. Thus, the development of efficient AB hydrolysis catalysts and the determination of their catalytic mechanisms are significant and urgent. A summary of the preparation process and structural characteristics of various supported catalysts is presented in this paper, including graphite, metal‐organic frameworks (MOFs), metal oxides, carbon nitride (CN), molybdenum carbide (MoC), carbon nanotubes (CNTs), boron nitride (h‐BN), zeolites, carbon dots (CDs), and metal carbide and nitride (MXene). In addition, the relationship between the electronic structure and catalytic performance is discussed to ascertain the actual active sites in the catalytic process. The mechanism of AB hydrolysis catalysis is systematically discussed, and possible catalytic paths are summarized to provide theoretical considerations for the designing of efficient AB hydrolysis catalysts. Furthermore, three methods for stimulating AB from dehydrogenation by‐products and the design of possible hydrogen product‐regeneration systems are summarized. Finally, the remaining challenges and future research directions for the effective development of AB catalysts are discussed.
Funder
National Natural Science Foundation of China
Subject
General Physics and Astronomy,General Engineering,Biochemistry, Genetics and Molecular Biology (miscellaneous),General Materials Science,General Chemical Engineering,Medicine (miscellaneous)
Cited by
17 articles.
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