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金属-空气电池能量密度大、成本低、无污染、可循环利用,是新能源汽车领域技术发展的重要方向.离子液体具有高的热稳定性、宽的电化学窗口、可以忽略的蒸气压、易于循环利用、无毒等优点,成为金属-空气电池研究中崭新的液体介质.将离子液体作为电解液应用于金属-空气电池体系,有望解决传统溶液体系存在的能量转化效率低、电解液干涸等技术难题,是一种极具研究价值的绿色新工艺.常见的金属负极有锂、锌、镁、铝、钠和硅.本文综述了离子液体作为电解液在这6种金属-空气电池中的应用研究进展和面临的挑战,并对其未来的发展方向进行了展望.
Metal-air battery is an important technology in the field of new energy vehicles because of its high energy density, low cost, no pollution and recyclable.Ionic liquid has high thermal stability, wide electrochemical window, negligible vapor pressure, Easy to recycle, non-toxic, and become a brand new liquid medium in the research of metal-air battery.Ionic liquid as electrolyte in metal-air battery system is expected to solve the problems of low energy conversion efficiency and electrolyte dry-up in traditional solution system Such as lithium, zinc, magnesium, aluminum, sodium and silicon.It is reviewed that the ionic liquid as the electrolyte in these 6 kinds of metal-air batteries The application research progress and the challenge that it faces, and has carried on the forecast to its future development direction.