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High energy efficiency and high power density aluminum‐air flow battery
International Journal of Energy Research ( IF 4.3 ) Pub Date : 2020-04-28 , DOI: 10.1002/er.5485 Hejing Wen 1 , Zhongsheng Liu 1 , Jia Qiao 2 , Ronghua Chen 1 , Ruijie Zhao 3 , Jianchun Wu 1 , Guanjun Qiao 1 , Jianhong Yang 1
International Journal of Energy Research ( IF 4.3 ) Pub Date : 2020-04-28 , DOI: 10.1002/er.5485 Hejing Wen 1 , Zhongsheng Liu 1 , Jia Qiao 2 , Ronghua Chen 1 , Ruijie Zhao 3 , Jianchun Wu 1 , Guanjun Qiao 1 , Jianhong Yang 1
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Aluminum‐air battery (AAB) is a very promising energy generator for electric vehicles (EVs) due to its high theoretical capacity and energy density, low cost, earth abundance, environmental benignity and rapid refuel. In this study, the practical energy efficiency and power density of AAB are improved by optimizing its factors, such as anode‐cathode distance, operation temperature, electrolyte flow rate and the atmosphere. Under air atmosphere, the peak power density reaches 381 mW cm−2, and the optimum output power density is 258 mW cm−2 with the anode efficiency of 90.9% and energy efficiency of 44.4%; and under pure O2 atmosphere, the peak power density is up to 545 mW cm−2, and the optimum output power density is 430.5 mW cm−2 with the anode efficiency of 94.2% and energy efficiency of 42.6%. These results are promising to constitute a foundation for future development of Al‐air battery systems for EVs.
中文翻译：
高能效和高功率密度铝空气流通电池
铝空气电池（AAB）具有很高的理论容量和能量密度，低成本，大地丰富，环境友好和快速加油的特点，因此是电动汽车（EV）很有前景的能源产生器。在这项研究中，通过优化AAB的因素，例如阳极到阴极的距离，操作温度，电解质流速和大气，可以提高AAB的实际能效和功率密度。在空气气氛下，峰值功率密度达到381 mW cm -2，最佳输出功率密度为258 mW cm -2，阳极效率为90.9％，能量效率为44.4％。在纯O 2气氛下，峰值功率密度高达545 mW cm -2，最佳输出功率密度为430.5 mW cm-2，阳极效率为94.2％，能量效率为42.6％。这些结果有望为电动汽车的铝制电池系统的未来发展奠定基础。
更新日期：2020-04-28
中文翻译：
高能效和高功率密度铝空气流通电池
铝空气电池（AAB）具有很高的理论容量和能量密度，低成本，大地丰富，环境友好和快速加油的特点，因此是电动汽车（EV）很有前景的能源产生器。在这项研究中，通过优化AAB的因素，例如阳极到阴极的距离，操作温度，电解质流速和大气，可以提高AAB的实际能效和功率密度。在空气气氛下，峰值功率密度达到381 mW cm -2，最佳输出功率密度为258 mW cm -2，阳极效率为90.9％，能量效率为44.4％。在纯O 2气氛下，峰值功率密度高达545 mW cm -2，最佳输出功率密度为430.5 mW cm-2，阳极效率为94.2％，能量效率为42.6％。这些结果有望为电动汽车的铝制电池系统的未来发展奠定基础。
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