Improving performance of proton ceramic electrolysis cell perovskite anode by Zn doping |
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| Affiliation: | 1. Basic Science Department, Preparatory Year, University of Ha''il, 1560, Hail, Kingdom of Saudi Arabia;2. Department of Physics, Hazara University, Mansehra, KP (21120), Pakistan;3. Chemistry Department, Faculty of Science, Al-Azhar University, 11884, Egypt;4. Department of Petrochemical, Egyptian Petroleum Research Institute, Cairo, Egypt;5. Department of Chemical Engineering, College of Engineering, University of Ha''il, 1560, Hail, Kingdom of Saudi Arabia;6. Department of Physics, SBASSE, Lahore University of Management Sciences, Lahore, 54792, Pakistan;1. Materials Engineering Department, Ponta Grossa State University, Av. Gal. Carlos Cavalcanti, 4748, 84030-900, Ponta Grossa, PR, Brazil;2. Mechanical Engineering Institute, Federal University of Itajubá. Av. BPS, 1303, 37500-903, Itajubá, MG, Brazil;1. Innovative Functional Materials Research Institute, Department of Materials and Chemistry, National Institute of Advanced Industrial Science and Technology (AIST), 4-205 Sakurazaka, Moriyama-ku, Nagoya, Aichi, 463-8560, Japan;2. Energy Transformation Research Laboratory, Central Research Institute of Electric Power Industry (CRIEPI), 2-6-1 Nagasaka, Yokosuka, Kanagawa, 240-0916, Japan;1. School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, China;2. National Key Laboratory of Science and Technology on Materials under Shock and Impact, Beijing, 100081, China;3. School of Materials and Physics, China University of Mining and Technology, Xuzhou, 221116, China;4. School of Mechanical Engineering, Dongguan University of Technology, Dongguan, 523808, China;1. School of Resource Environment and Safety Engineering, University of South China, Hengyang, 421001, China;2. College of Mechanical and Electrical Engineering, Hebei Agricultural University, Baoding, Hebei, 071001, China;1. Department of Inorganic Chemistry, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovicova 6, 842 15 Bratislava, Slovakia;2. College of Electronics and Information Engineering, Shenzhen University, Shenzhen, Guangdong Province 518000, China;3. Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, Niezapominajek 8, PL-30239 Krakow Poland;4. School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, PR China;5. Institute of Applied Electrodynamics and Telecommunications, Faculty of Physics, Vilnius University, Sauletekio al. 3, Vilnius LT-10257, Lithuania;6. Hydrogen Energy Laboratory, Ural Federal University, 620002, Yekaterinburg, Russia;7. AGH University of Science and Technology, Faculty of Materials Science and Ceramics, Department of Ceramics and Refractories, al. A. Mickiewicza 30, 30-059, Krakow, Poland |
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| Abstract: | As an important renewable energy, hydrogen energy becomes an important part of the future energy system. Proton ceramic electrolysis cell (PCEC) enables the efficient, clean, large-scale preparation of hydrogen, which is a new type of energy conversion device, attracting the attention of many researchers. Sr2Fe1.4Zn0.1Mo0.5O6-δ (SFZM) anode materials were developed to investigate the effect of B-site doping of Zn on the electrochemical properties of the Sr2Fe1.5Mo0.5O6-δ (SFM) materials. The results reveal that the doping of Zn increases the concentration of oxygen vacancies and improves the electrocatalytic activity, which in turn improves the performance of the material. A current density of 408 mA cm?2 has been achieved at 1.3 V when the SFZM-based single cell was operated in an electrolysis mode (50% H2O in air) at 600 °C, higher than SFM-based single cells (286 mA cm?2 at 1.3 V). In addition, the SFZM-based single cell exhibited good durability in a stability test at an electrolysis current density of 408 mA cm?2. This work confirms that SFZM is a promising material for proton ceramic electrolysis cell anode. |
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| Keywords: | PCEC Steam electrolysis Perovskite material |
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