One-step synthesis of CuCo2O4-Sm0.2Ce0.8O1.9 nanofibers as high performance composite cathodes of intermediate-temperature solid oxide fuel cells |
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| Affiliation: | 1. College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China;2. Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China;3. Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada;1. College of Mechanical Engineering, Guangxi University, Nanning, PR China;2. School of Mechanical Engineering, Southeast University, Nanjing, PR China;1. College of Chemistry and Pharmaceutical Engineering, Engineering Technology Research Center of Henan Province for Solar Catalysis, Nanyang Normal University, Nanyang, 473061, China;2. College of Science, Henan Agricultural University, Zhengzhou 450001, China;3. School of Materials Science and Engineering, Nanling Campus, Jilin University, No. 5988 Renmin Street, Changchun 130025, China;1. School of Physics and Electronic Engineering, Xinyang Normal University, Xinyang 464000, PR China;2. Key Laboratory of Microelectronics and Energy of Henan Province, Xinyang Normal University, Xinyang 464000, PR China;3. College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471022, PR China;4. Department of Physics and Electronic Science, Hunan University of Science and Technology, Xiangtan 411201, PR China;1. College of Environmental Science and Engineering, Nankai University, Tianjin 300350, PR China;2. Research Center of Cleaner Production, Nankai University, Tianjin 300350, PR China;3. Lund University, Lund 22100, Sweden;4. School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, PR China;5. Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin 300350, PR China;1. Program of Physics, Faculty of Science, Ubon Ratchathani Rajabhat University, Ubon Ratchathani 34000, Thailand;2. Program of Chemistry, Faculty of Science, Ubon Ratchathani Rajabhat University, Ubon Ratchathani 34000, Thailand;3. Functional Nanomaterials and Electrospinning Research Laboratory, Faculty of Science, Ubon Ratchathani Rajabhat University, Ubon Ratchathani 34000, Thailand;1. School of Chemical Engineering and Technology, Harbin Institute of Technology, 92 West Dazhi Street, Harbin 150001, China;2. College of Materials Science and Engineering, Qiqihar University, No.42, Wenhua Street, Qiqihar 161006, China |
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| Abstract: | One-dimensional nanostructured CuCo2O4-Sm0.2Ce0.8O1.9 (SDC) nanofibers are prepared by the electrospinning method and one step sintering as a cathode with low polarization resistance for intermediate temperature solid oxide fuel cells (IT-SOFC). The CuCo2O4-SDC nanofibers cathodes form a porous network structure and have large triple-phase boundaries. Correspondingly, the electrochemical performance of the CuCo2O4-SDC nanofibers composite cathodes shows significantly improve, achieving the polarization resistance of 0.061 Ω cm2 and the maximum power densities of 976 mW·cm?2 at 750 °C. Thus, these results suggest that CuCo2O4-SDC nanofiber could be a highly active cathode material for IT-SOFCs. |
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| Keywords: | Composite cathode Nanofibers Solid oxide fuel cells Electrospinning |
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