Co/multi-walled carbon nanotubes as highly efficient catalytic nanoreactor for hydrogen production from formic acid |
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| Affiliation: | 1. Boreskov Institute of Catalysis, SB RAS, Lavrentieva 5, Novosibirsk, 630090, Russia;2. Novosibirsk State University, Pirogova 2, Novosibirsk, 630090, Russia;1. Henan University of Engineering, 1 Xianghe Road, Zhengzhou 451191, PR China;2. School of Chemical Engineering, Zhengzhou University, 100 Kexue Road, Zhengzhou 450001, PR China;3. State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 North Three-ring East Road, Beijing 100029, PR China;1. State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China;2. University of Science and Technology of China, Hefei, 230026, China;3. Laboratory of Advanced Power Sources, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China;4. Jilin Province Key Laboratory of Low Carbon Chemical Power Sources, Changchun, 130022, China;1. College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, 610068, China;2. University of Michigan-Shanghai Jiao Tong University Joint Institute, Shanghai Jiao Tong University, Shanghai, 200240, China;3. College of Materials and Chemistry and Chemical Engineering, Chengdu University of Technology, Chengdu, 610059, Sichuan, China;1. Key Laboratory of Special Functional Materials for Ecological Environment and Information (Hebei University of Technology), Ministry of Education, Tianjin, 300130, China;2. Institute of Power Source and Ecomaterials Science, Hebei University of Technology, Tianjin, 300130, China;3. Manufacturing Innovation Center for Solid Waste Resource Utilization and Ecological Development (Hebei University of Technology), Hebei Province, Tianjin, 300130, China;1. Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai, 200433, PR China;2. State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, PR China;3. Beijing National Laboratory for Molecular Sciences and State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, PR China |
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| Abstract: | Formic acid is well-recognized as safe and convenient hydrogen carrier. Development of active and cost-effective catalysts for formic acid to hydrogen conversion is important problem of hydrogen energy field. Herein, we report on new Co catalysts supported on oxidized multi-walled carbon nanotubes (MWCNTs), which demonstrate high efficiency in the gas-phase formic acid decomposition affording molecular hydrogen. Various parameters of the catalysts, Co loading, MWCNTs structure, and nanotubes treatment conditions, have been investigated in terms of their influence on the catalytic properties. The catalysts morphology has been characterized with a set of physicochemical methods. It is found that the catalytic activity of Co particles depends on their electronic state and location on the support. Co species located inside the MWCNTs channels are less active than Co species stabilized on the outer surface. An increase in the content of Co nanoparticles on the MWCNT outer surface leads to a higher catalytic activity. |
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| Keywords: | Co catalyst Multi-walled carbon nanotubes Hydrogen production Formic acid |
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