The aluminum-air reserve battery-a power supply for prolonged emergencies

Conference Proceedings., Eleventh International Telecommunications Energy Conference Pub Date : 1989-10-15 DOI:10.1109/INTLEC.1989.88327

W. O'callaghan, N. Fitzpatrick, K. Peters

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引用次数: 10

Abstract

An aluminum-air battery has been developed that can be stored for extended periods in the reserve condition and will provide over 360 Wh/Kg (>350 Wh/dm/sup 3/) when discharged at a power output in the 1 kW range. Its rated power is developed within 30 minutes of activation. In combination with a sealed rechargeable lead-acid battery, the aluminum-air battery provides an emergency power supply that will function automatically for several days. The lead-acid battery supplies the power during mains outages lasting a few hours, with the aluminum-air battery taking over if the emergency is protracted. The exceptionally high energy density for this battery owes much to the development of a highly efficient aluminum anode alloy and to an electrolyte lifetime. A low-cost proprietary cathode makes this battery an economical attractive source of extended power supply. The described combination of rechargeable and reserve batteries is thought to be especially suitable as a source of emergency power for telecommunications systems to cover short or extended power failures.<>

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铝-空气储备电池-一个电源供应，为长期紧急情况

已经开发出一种铝空气电池，可以在备用条件下长时间储存，当放电功率在1kw范围内时，将提供超过360 Wh/Kg (>350 Wh/dm/sup /)。它的额定功率在激活后30分钟内开发。与密封的可充电铅酸电池结合使用，铝空气电池可提供可自动运行数天的应急电源。在停电持续几个小时的情况下，铅酸电池提供电力，如果紧急情况持续很长时间，铝空气电池就会接管。这种电池异常高的能量密度在很大程度上归功于高效铝阳极合金的发展和电解质的使用寿命。低成本的专有阴极使这种电池成为一种具有经济吸引力的扩展电源。所描述的可充电电池和备用电池的组合被认为特别适合作为电信系统的应急电源，以覆盖短时间或长时间的电源故障。

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Conference Proceedings., Eleventh International Telecommunications Energy Conference

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