High performance aluminum-air battery for sustainable power generation |
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| Affiliation: | 1. Lee Kong Chian Faculty of Engineering and Science, UTAR, Kajang, 43000, Malaysia;2. Nanomaterial Unit, School of Engineering and Built Environment, Edinburgh Napier University, Edinburgh, EH10 5DT, UK;3. Department of Aeronautics and Astronautics, National Cheng Kung University, Tainan 701, Taiwan;4. Research Center for Smart Sustainable Circular Economy, Tunghai University, Taichung 407, Taiwan;5. Department of Mechanical Engineering, National Chin-Yi University of Technology, Taichung 411, Taiwan;1. Thermal and Environmental Engineering Institute, School of Mechanical Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, China;2. Shanghai Engineering Research Center of Multi-source Solid Wastes Co-processing and Energy Utilization, Shanghai 201804, China;1. Department of Energy Science & Engineering, Indian Institute of Technology Bombay, Mumbai, India;2. Clean Energy Technologies Research Institute, Process Systems Engineering, Faculty of Engineering and Applied Science, University of Regina, 3737 Wascana Parkway, Regina, SK, Canada;3. Faculty of Science and Engineering, Laboratory of Energy Technology, Åbo Akademi University, Rantakatu 2, 65101, Vaasa, Finland;1. Sonochemical Research Center, Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran;2. Environmental Chemistry Research Center, Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran;1. Department of Chemical and Process Engineering, University of Canterbury, Christchurch, 8041, New Zealand;2. School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo, China;3. Henan Centre for Outstanding Overseas Scientists, Zhengzhou University, Zhengzhou, China;1. College of Chemical Engineering, Zhejiang University of Technology, No.18 Chaowang Road, Hangzhou, Zhejiang, 310014, PR China;2. Key Laboratory of Advanced Fuel Cells and Electrolyzers Technology of Zhejiang Province, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, PR China;1. PG and Research Department of Chemistry, Thiagarajar College Madurai-09, affiliated to Madurai Kamaraj University, Madurai-21, Tamil Nadu, India;3. Battery Research Center of Green Energy, Ming Chi University of Technology, New Taipei City 24301 Taiwan, ROC;4. Department of Chemistry, Thiagarajar College of Engineering, Madurai 625015, Tamil Nadu, India;5. Department of Chemistry, D.K.M College for Women (Autonomous), Vellore, Tamil Nadu, India;6. Department of Chemistry, Gandhigram Rural Institute, Dindigul 624302, Tamil Nadu, India |
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| Abstract: | Metal-air battery is receiving vast attention due to its promising capabilities as an energy storage system for the post lithium-ion era. The electricity is generated through oxidation and reduction reaction within the anode and cathode. Among various types of metal-air battery, aluminum-air battery is the most attractive candidate due to its high energy density and environmentally friendly. In this study, a novel polypropylene-based dual electrolyte aluminum-air battery is developed. Polypropylene pads are used as a medium to absorb the electrolyte, isolate the anode and cathode, control the hydrogen generation in the parasitic reaction. Potassium hydroxide is used as anolyte and sulfuric acid is used as catholyte. Parametric study is conducted to investigate the effect of electrolyte concentration and polypropylene separator thickness on the performance of the battery. The results show that the dual-electrolyte system can boost the open circuit voltage to 2.2 V as compared to the single electrolyte system for 5 M of anolyte while maintaining specific discharge capacity of about 1390.92 mAh.g?1. The maximum peak power density has improved dramatically from 100 mW.cm?2 to 350 mW cm?2 for the dual electrolyte system. |
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| Keywords: | Metal-air battery Aluminum-air battery Hydrogen generation Energy storage system Dual-electrolyte system |
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