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Effect of sintering time on the electrochemical properties of spinel LiMn2O4 synthesized by solid-state reactionTao Li~(1,2)Weihua Qiu~(1)Renhua Zhao~(1)Hui Xia~(3)Hailei Zhao~(1)Jingjing Liu~(1) (1... diffraction(XRD)patterns of the prepared samples are identified as the spinel structure with a space group of Fd(?)m.The lattice parameters almost remain the same as the sin- tering periods increase.The......
Preparation of spherical spinel LiCr0.04Mn1.96O4 cathode materials based on the slurry spray drying methodJIANG Qinglai, HU Guorong, PENG Zhongdong, DU Ke, CAO Yanbing, and TANG Daichun School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China摘 要:Regular spherical chromium doped spinel lithium manganese oxides......
KINETIC STUDY OF SPINEL LiMn2O4 SYNTHESIZED BY SOLID REACTION WITH SOFT-CHEMICAL METHOD C.Q. Xu1,Y.C.Zhai1,Y.W.Tian1,Z.Q. Huang1,Z.J. Guo1 (1.School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China) Abstract:The differential thermal analysis (DTA) curves were measured at different heating rates in flow-ing air for studying the synthesis of the spinel LiMn2O4......
Promotional effects of samarium on Co3O4 spinel for CO and CH4 oxidation徐香兰,韩红,刘建军,刘文明,李文龙,王翔Institute of Applied Chemistry,Department of Chemistry,Nanchang University摘 要:A series of Co3O4 spinel catalysts modified by Sm were prepared by co-precipitation method and tested for CH4 and CO oxidation.The addition of a small amount of Sm into Co3O4 led......
Promotional effects of samarium on Co3O4 spinel for CO and CH4 oxidation徐香兰,韩红,刘建军,刘文明,李文龙,王翔Institute of Applied Chemistry,Department of Chemistry,Nanchang University摘 要:A series of Co3O4 spinel catalysts modified by Sm were prepared by co-precipitation method and tested for CH4 and CO oxidation.The addition of a small amount of Sm into Co3O4 led......
Defect and Performance Analysis of Spinel LiLa0.01Mn1.99O4 Synthesized at Different Temperatures for Lithium Ion Battery伊廷锋,胡信国,霍慧彬摘 要:The spinel LiLa0.01Mn1.99O4 cathode materials were prepared by adipic acid-assisted sol-gel method at 400~900 ℃ in air. The effect of synthesis temperature on defect of LiLa0.01Mn1.99O4 was investigated by using X-ray......
Preparation and Microstructure of Spinel Zinc Ferrite ZnFe2O4 by Co-precipitation Method任平Department of Energy Sources and Environment Engineering,Shanghai University of Electric Power摘 要:Spinel zinc ferrites ZnFe2O4, prepared by co-precipitation method using the zinc nitrate Zn(NO3)2·6H2O and ferric nitrate Fe(NO3)3·2H2O as the raw materials, were......
Ag-NiFe2O4金属陶瓷性能研究 席锦会1,刘宜汉1,姚广春1,张淑婷1 (1.东北大学,材料与冶金学院,辽宁,沈阳,110004) 摘要:为改善铝电解惰性阳极用NiFe2O4尖晶石材料存在的不足,制备了不同金属Ag含量的Ag-NiFe2O4金属陶瓷,利用扫描电子显微镜观察显微组织,由X射线衍射分析化学成分,研究了Ag-NiFe2O4试样的体积密度,热震性,导电率以及腐蚀速率,并与纯NiFe2O4尖晶石对比,分析了其性能差异的原因.试验结果表明,金属的Ag加入显著改善了抗热震性,含10%Ag试样的导电能力比纯NiFe2O4尖晶石提高了30%,综合考虑Ag含量为15%试样性能最好. 关键词:NiFe2O4尖晶石; 金属陶瓷; 性能; 显微结构; [全文内容正在添加中] ......
Electrochemical properties of spinel compound LiNi0.5Mn1.2Ti0.3O4 as cathode materials for lithium ion batteriesLIU Guoqiang,GUO Qingshan,LI Xiaoxia,and WU Qiuyang School of Materials and Metallurgy,Northeastern University,Shenyang 110004,China摘 要:The electrochemical properties of spinel compound LiNi0.5Mn1.2Ti0.3O4 were investigated in this study.The......
Synthesis and characterization of spinel Li1.05Cr0.1Mn1.9O4-zFz as cathode materials for lithium-ion batteriesYan-bin Chen~(1,2,3)),Yang Hu~(1,2)),Fang Lian~(1)),and Qing-guo Liu~(1)) 1) School...(SSCV) techniques.The results show that the pure spinel phase indexed to Fd3m can be obtained when z=0, 0.05,and 0.1.The substitution of F for O with z≤0.1 contributes to the increase of initial......