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:KBF_4为5:1,温度750℃,阴极电流密度1.5 A·cm~(-2),电解时间3 h.该条件下能得到纯度95%以上的球形非晶态硼粉,电流效率可达到80%以上.KCl-KBF_4-B_2O_3体系熔盐电解得到超细球形硼粉,但电流效率低,产品难以收集,杂质含量较高. 关键词:熔盐电解; 硼粉; KCl-KBF_4体系; KCl-KBF_4-B_2O_3体系; molten salt electrolysis; boron powder; KCl-KBF_4 system; KCl-KBF_4B_2O_3system; [全文内容正在添加中] ......
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Trans. Nonferrous Met. Soc. China 24(2014) 1629-1634 Electrochemical mechanism of electrolysis codeposition of Mg-Sr alloy in mol ten salt Xiu-yun SUN, Gui-min LU, Shu-di FAN National Engineering... in MgCl2-SrCl2-KCl melts with MgCl2 concentrations of 2%, 5% and 10% (mass fraction), respectively. Key words: molten salt electrolysis; Mg-Sr alloy; electrochemical reduction 1 Introduction Sr can be used......
and with low levels of impurities, i.e., less than 60×10-6 sulfur, via DER at 2.5 V for 15 min. Key words: molten salt electrolysis; electro-reduction; copper extraction; copper sulfide; nickel sulfide... with their specifications. The schematic depiction of the experimental setup utilized for the molten salt electrolysis is shown in Fig. 1. Table 1 Materials used in cyclic voltammetry measurements......