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Electro-deoxidation of V2O3 in molten CaCl2-NaCl-CaOShu-lan Wang,Shi-chao Li,Long-fei Wan,and Chuan-hua Wang School of Science,Northeastern University,Shenyang 110004,China摘 要:The electro-deoxidation of V2O3 precursors was studied.Experiments were carried out with a two-terminal electrochemical cell,which was comprised of a molten electrolyte of CaCl2......
Improve titanate reduction by electro-deoxidation of Ca3Ti2O7 precursor in molten CaCl2Dong Wang1,2,3,4,Sheng Pang4,Chun-yue Zhou4,Yan Peng4,Zhi Wang1,3,4,Xu-zhong Gong1,3,41. Key Laboratory of Green... and Chemical Engineering, University of Chinese Academy of Sciences摘 要:The low O2- diffusion rate in the electro-deoxidation of titanium containing compounds......
Reaction mechanism of preparation of titanium by electro-deoxidation in molten salt WANG Bin, LIU Kui-ren, CHEN Jian-she School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China Received 30 October 2010; accepted 27 May 2011 Abstract: The electro-deoxidation of TiO2 was investigated in molten CaCl2. Back electromotive force measurements, constant voltage......
Effect of TiO2 cathode performance on preparation of Ti by electro-deoxidation DU Ji-hong(杜继红)1,XI Zheng-ping(奚正平)1,LI Qing-yu(李晴宇)1, XU Qian(许茜)2,TANG Yong(唐勇)1, 2,LI Zheng-xian(李争显)1 1... et al show that using CaTiO3 as raw material to prepare Ti by molten electro-deoxidation has higher electrolytic efficiency. Fig.5 SEM images of TiO2 pellets with various contents of CaO after......
熔盐电脱氧制备金属铌的研究谢大海1,王兴庆1,陈发允1(1.上海市上海大学材料科学与工程学院)摘 要:采用熔盐电脱氧法,以熔融的CaCl2-NaCl为电解质,经粉末压制烧结后的Nb2O5为阴极,石墨为阳极,电解制备了金属铌.并研究了压制压力,烧结温度,电解时间等因素对Nb2O5阴极电脱氧的影响.实验分析表明:阴极脱氧过程是由Nb2O5→NbO2→NbO→Nb且由阴极表面到内部逐步进行的,在适宜条件下可以得到纯度为99.5%以上的金属铌.关键词:熔盐电脱氧制备; 金属铌; Nb2O5; 压制烧结......
; accepted 4 May 2012 Abstract: CeCo5 alloy was prepared from the mixture of cobalt oxide (Co3O4) and cerium oxide (CeO2) powders by electro-deoxidation in molten calcium chloride. The effects of the cell voltage and sintering temperature on the electrolysis process were reported. The electro-deoxidation mechanism was investigated by potentiodynamic polarization using a molybdenum cavity electrode......
Trans. Nonferrous Met. Soc. China 24(2014) 2883-2889 Preparation of ZrMn2 hydrogen storage alloy by electro-deoxidation in molten calcium chloride Lei DAI1,2, Shuo WANG1, Ling WANG1, Yao YU 1, Guang... ZrMn2 alloy through the electro-deoxidation of the mixed oxide pellets at 3.1 V for 12 h in 900 °C CaCl2 melt. The X-ray diffraction (XRD) and cyclic voltammetry analysis suggested that the electro......
110004, China) Abstract: The method of electro-deoxidation was used to reduce solid Nb2O5 to niobium in a CaCl2-NaCl melt at 800℃. The sintered Nb2O5 pellets acted as the cathode, while graphite... that the electrochemical activation of the cathode can be enhanced after being sintered at 1200℃ for 12h. The rate of electro-deoxidation for Nb2O5 is varied during electrolysis, and the rate at the beginning......
WANG Bo, CHEN Chao-yi, LI Jun-qi, et al. Effect of cathode modification on electro-deoxidation process of waste slag containing titanium[J]. The Chinese Journal of Nonferrous Metals, 2021, 31(2): 470-478.... Progress in main influence factors for electrolysis efficiency of electro-deoxidation[J]. Chinese Journal of Rare Metals, 2011, 35(2): 301-307. [15] WANG Feng, ZHANG Jin-qiang, DING Xing, et al. Metal......
of calcium oxide[J]. JOM, 2018, 70(4): 575-580. [19] SHI Ruimeng, BAO Longfei, ZHANG Bo. Preparation of Ti-Fe alloy from titanium concentrate by electro-deoxidization in CaCl2[J]. Advanced Materials......