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commercial fruition. Distinguishing from other secondary batteries, vanadium ions with various valences stored in electrolyte are employed as active species in positive and negative half-cells, which..., Qt and Qm are constant-phase elements corresponding to diffusion capacitance of vanadium ions and electric double- layer capacitance between electrode/electrolyte surface, separately. Nyquist plots......
.ysxb.1004.0609.2021-36485 YANG Ya-dong, ZHANG Yi-min, TANG Li, et al. Performance optimization of electrolyte based on sulfate-chloride mixed acid for vanadium redox flow battery[J]. The Chinese Journal of Nonferrous Metals...浓度及氯离子浓度应分别低于2.2,2.75和6.2 mol/L. 图2 不同钒浓度,硫酸根浓度及氯离子浓度的V(Ⅳ)电解液的电导率及黏度 Fig. 2 Conductivity and viscosity of V(Ⅳ) electrolyte with different vanadium concentration(a), sulfate concentration......
as the cathode and the anode, respectively; a molten CaCl2-NaCl salt was used as the electrolyte. Then, V2O5 was directly reduced to metal vanadium by the Fray-Farthing-Chen (FFC) method at 873 K to realize...Direct electrochemical reduction of solid vanadium oxide to metal vanadium at low temperature in molten CaCl2-NaClZhuo-fei Cai, Zhi-mei Zhang, Zhan-cheng Guo, and Hui-qing Tang State Key Laboratory......
of diverse vanadium ions at modified graphite felt electrode in sulphuric solution LI Xiao-gang(李晓刚)1, HUANG Ke-long(黄可龙)1, LIU Su-qin(刘素琴)1, CHEN Li-quan(陈立泉)1, 2 (1. School of Chemistry and Chemical...% sulphuric acid for 5 h and then kept at 450 ℃ for 2 h was evaluated for their electrochemical performance as electrodes of vanadium redox battery (VRB). Structure and characteristic of treated PAN-based......
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mechanisms of vanadium-lithium oxide cathodes for thermal cell LI Zhi-you, CAO Du-meng, ZHOU Ke-chao (State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China) Abstract: Thermal battery potential cathode materials, LiV3O8, γ-LiV2O5 and VO2, were synthesized and discharged at a current density of 100 mA/cm2, with an anode of Li-B alloy and electrolyte of LiCl......
Characteristics of graphite felt electrode electrochemically oxidized for vanadium redox battery application LI Xiao-gang(李晓刚)1, HUANG Ke-long(黄可龙)1, LIU Su-qin(刘素琴)1, TAN Ning(谭 宁)1, CHEN Li... as electrode for vanadium redox battery was investigated with FT-IR, SEM, XPS, BET, cyclic voltammetry and testing VRB system, respectively. The results show that the molar ratio of O to C increases from 0.085......
An overview of amphoteric ion exchange membranes for vanadium redox flow batteriesLei Liu1,Chao Wang1,Zhenfeng He2,Rajib Das3,4,Binbin Dong5,Xiaofeng Xie6,Zhanhu Guo31. College of Materials Science... Technology, (Zhengzhou University)6. Institute of Nuclear and New Energy Technology, Tsinghua University摘 要:Vanadium redox flow battery(VRB),as the most......
Recovery of vanadium from black shale LI Cun-xiong(李存兄), WEI Chang(魏 昶), DENG Zhi-gan(邓志敢), LI Min-ting(李旻廷), LI Xing-bin(李兴彬), FAN Gang(樊 刚) College of Metallurgical and Energy Engineering... ____________________________________________________________________________________________ Abstract: The recovery of vanadium from a black shale from Guizhou Province of China was performed using a three-step process, which consists of a leaching step in the H2SO4-HF-NaClO system......
; Electric-oxidation extraction of molybdenite concentrate in alkaline NaCl electrolyte CAO Zhan-fang(曹占芳), ZHONG Hong(钟宏), LIU Guang-yi(刘广义), FU Jian-gang(符剑刚), WEN Zhen-qian(闻振乾),WANG...; Abstract: The dissolution of molybdenite concentrate in NaCl electrolyte was investigated. The results......
