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    题名 作者 年代 出处 被引量
1Electrochemical processing of spent nuclear fuels:An overview of oxide reduction in pyroprocessing technology显示文摘The electrochemical reduction process has been used to reduce spent oxide fuel to a metallic form using pyroprocessing technology for a closed fuel cycle in combination with a metal-fuel fast reactor.In the electrochemical reduction process,oxides fuels are loaded at the cathode basket in molten Li_2O–LiCl salt and electrochemically reduced to the metal form.Various approaches based on thermodynamic calculations and experimental studies have been used to understand the electrode reaction and efficiently treat spent fuels.The factors that affect the speed of the electrochemical reduction have been determined to optimize the process and scale-up the electrolysis cell.In addition,demonstrations of the integrated series of processes(electrorefining and salt distillation) with the electrochemical reduction have been conducted to realize the oxide fuel cycle.This overview provides insight into the current status of and issues related to the electrochemical processing of spent nuclear fuels.Eun-Young Choi Sang Mun Jeong 2015Progress in Natural Science:Materials International2015,25,6:9
2Environmental and energy gains from using molten magnesium–sodium–potassium chlorides for electro-metallisation of refractory metal oxides显示文摘The molten eutectic mixture of magnesium,sodium and potassium chlorides(Mg Cl2–Na Cl–KCl) has inappreciable solubility for oxide ions,and can help disengage a carbon anode from the oxide ions generated at a metal oxide cathode,and effectively avoid carbon dioxide formation.This 'disengaging strategy' was successfully demonstrated in electro-reduction of solid oxides of zirconium and tantalum.It has led to significantly higher current efficiency(93%),and lower energy consumption(1.4 k W h kg 1) in electrolysis of tantalum oxide to tantalum metal compared to the conventional electrolysis in molten calcium chloride(e.g.78% and 2.4 k W h/kg-Ta).Wei Li Yating Yuan Xianbo Jin Hualin Chen George Z.Chen 2015Progress in Natural Science:Materials International2015,25,6:2
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