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High-temperature creep properties of uranium dioxide pellet GAO Jia-cheng(高家诚), WANG Liang-fen(王良芬), WANG Yong(王 勇), WU Shu-fang(吴曙芳) College of Materials Science and Engineering, Chongqing...; Abstract: High-temperature creep properties of sintered uranium dioxide pellets with two grain sizes (9.0 μm and 23.8 μm) were studied......
氢还原法制备低相变温度掺钨VO2薄膜李敏娇1,张述林2,丁秀敏2,罗祎2,熊苗2(1.四川省自贡市四川理工学院 化学与制药工程学院2.四川理工学院 材料与化学工程学院,四川自贡 643000)摘 要:在钒溶胶中掺入适量聚钨酸溶胶,采用浸渍提拉法在载玻片上涂膜,涂片薄膜在氢气氛围中,在400℃温度下还原3h,制得掺钨VO2薄膜.金相显微镜观察到薄膜呈VO2的特征绿色;X荧光光谱分析得出薄膜中W,V的含量分别为3.212%和64.97%.电阻-温度曲线测试表明,VO2薄膜的相变温度为40.5℃,热滞回线宽度为ΔT=......
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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......
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Leaching of vanadium, sodium, and silicon from molten V?Ti-bearing slag obtained from low-grade vanadium-bearing titanomagnetiteYuan-yuan Zhu1,2,3,Ling-yun Yi2,3,Wei Zhao2,3,De-sheng Chen2,3,Hong-xin... of vanadium, sodium, and silicon from molten vanadium-titanium-bearing(V-Ti-bearing) slag obtained from low-grade vanadium-bearing titanomagnetite was investigated systematically. The results show......
(LVO) and vanadium dioxide (VO2) as thermal battery cathode material[C]//Attewell A, Keily T. Power Sources 15. Research and Development in Non-Mechanical Electrical Power Sources. The 19th International... 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......
硅质石煤钒矿无污染氧化剂氧化-酸浸法提钒工艺研究孙德四1,孙剑奇1,张贤珍1(1.江西省九江市九江学院化学化工学院江西省鄱阳湖生态经济研究中心)摘 要:通过单因素条件试验确定了"氧化剂氧化-硫酸浸出提钒工艺"的最优工艺参数.试验结果表明,在氧化剂二氧化锰用量为5%,硫酸浓度为40%,浸出温度为90℃,矿物粒度-74μm,浸出时间为9h,液固比为2.5∶1的条件下,钒的浸出率可达72.4%.比起传统的钠化焙烧工艺高出10%以上.关键词:硅质石煤钒矿; 氧化剂; 酸浸出; 提钒......
Vanadium extraction and dephosphorization from V-bearing hot metal with fluxes containing CaOWANG Yan-nan(王艳南)1, 2, SONG Wen-chen(宋文臣)1, 2, LI Hong(李宏)1, 2(1. State Key Laboratory of Advanced...)Abstract:Extracting vanadium and removing phosphorus simultaneously by adding CaO containing materials to V-bearing hot metal were investigated under the condition of simulating the process of vanadium......