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Method of reducing spent oxide nuclear fuel into nuclear-fuel metal using LiCl-Li2O salt, cathode electrode assembly used in the method, and reduction device including the assembly
Method of reducing spent oxide nuclear fuel into nuclear-fuel metal using LiCl-Li2O salt, cathode electrode assembly used in the method, and reduction device including the assembly
Disclosed are a method of reducing spent oxides nuclear fuel to nuclear-fuel metal, in which metal oxides are reduced to metals using an electrochemical reduction device with LiCl—Li2O salt as an electrolyte, a cathode electrode assembly used in the method, and a reduction device including the cathode electrode assembly. The method is advantageous in that the process of reducing the spent oxide nuclear fuel to the nuclear-fuel metal and another process of recovering Li are united to simplify the whole processes, direct use of high oxidative Li metals is excluded to secure safety, and conversion efficiency of the spent oxide nuclear fuel is 99% or more.
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机译:公开了一种将乏氧化物核燃料还原为核燃料金属的方法,其中使用具有LiCl 2 Li 2 O盐作为电解质,阴极的电化学还原装置将金属氧化物还原为金属。该方法中使用的组件,以及包括阴极组件的还原装置。该方法的优点在于,将废氧化物核燃料还原为核燃料金属的过程与另一种回收锂的过程相结合以简化整个过程,排除了直接使用高氧化锂金属以确保安全性,并进行了转化废氧化物核燃料的效率为99%或更高。
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