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ELECTRIC FUEL ZINC-AIR SYSTEM: ZINC REGENERATION UPDATE

机译：电燃油锌空气系统：锌再生更新

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摘要

Electric Fuel has developed a high specific energy refuelable zinc-air battery for electric vehicles in which discharged zinc plates are rapidly replaced with charged plates using mechanized means. The discharged plates after removal from the battery are recycled to charged plates in an alkaline zinc electrowinning process at a local site. The system is being tested for use in fleet operation in a number of demonstration programs, and regeneration pilot plants have been built in Israel, Italy and Germany. A larger regeneration plant producing 250 kg/hr of zinc designed to serve a 150 vehicle fleet is scheduled for construction in Sweden. The paper describes and updates the regeneration process with particular emphasis on improvements in the anode material used in the zinc electrowinning cell. Selection of anode materials having a low overvoltage for oxygen evolution, that are stable with time in the alkaline electrolyte, provide lower electrowinning cell operating voltages, increasing the overall system energy efficiency of the battery.
机译：电动燃料公司已经开发出一种用于电动汽车的高比能可加油的锌空气电池，该电池中已放电的锌板通过机械方式迅速地被充电板所取代。从电池中取出后，放电后的极板将通过碱性锌电解沉积工艺在本地回收到充电的极板上。该系统已经在许多示范项目中进行了车队运营的测试，以色列，意大利和德国已经建立了再生试点工厂。瑞典计划建设一个较大的再生工厂，生产250千克/小时的锌，旨在为150辆车提供服务。该论文描述并更新了再生过程，特别着重于改进用于锌电解沉积电池的阳极材料。具有较低的用于氧气释放的过电压的阳极材料的选择在碱性电解质中随时间稳定，从而提供较低的电解沉积电池工作电压，从而提高了电池的整体系统能效。

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