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Insertion/removal kinetics of lithium ion in spinel LiCuxMn2-xO4 ZENG Rong-hua(曾荣华), LI Wei-shan(李伟善), L? Dong-sheng(吕东生), HUANG Qi-ming(黄启明), ZHAO Ling-zhi(赵灵智) School of Chemistry...; Abstract: The insertion/removal processes of lithium ion in spinel lithium manganese oxide(LiMn2O4......
Microstructure and electrochemical performances of LiF-coated spinel LiMn2O4 BAI Ying(白 莹)1, 2, WU Chuan(吴 川)1, 2, WU Feng(吴 锋)1, 2 1. School of Chemical Engineering... 2007 Abstract: LiF-coated LiMn2O4 samples were prepared via a chemical method. X-ray diffraction (XRD) patterns show that the bare LiMn2O4 and the LiF-coated LiMn2O4 samples are all spinel structure......
. Key words: powder metallurgy; Al-Cu-Mg alloy; spinel structure; liquid phase sintering 1 Introduction Aluminum alloy is one of the most common lightweight alloys used in various engineering structures... the oxide on the metal-oxide interface, transforming to MgAl2O4 spinel structure [8-14]. MgAl2O4 spinel structure (3.59 g/cm3) exhibits lower density than the aluminum oxide Al2O3 (3.9 g/cm3......
Synthesis technology of spinel AlON WEI Chun-cheng(魏春城), TIAN Gui-shan(田贵山) School of Material Science and Engineering, Shandong University of Technology, Zibo 255049, China Received 15 July... ceramics and other multiphase ceramics exist in the form of Al5O6N, whose solid-solution zone is 33.4%(mole fraction) AlN belonging to spinel structures. The average grain size of high-purity AlON......
Preparation and characterization of spinel LiMn2O4 nanorods as lithium-ion battery cathodes CHEN Ze-hua(陈泽华) , HUANG Ke-long(黄可龙), LIU Su-qin(刘素琴), WANG Hai-yan(王海燕) School of Chemistry... with a capacity retention ratio of 86.2% after 100 cycles. Battery cyclic studies reveal that the prepared LiMn2O4 nanorods have high capacity with a first discharge capacity of 128.7 mA?h/g. Key words: spinel......
University of Science and Technology, Harbin 150040, China) Abstract:Mn-Zn spinel ferrites were synthesized by sol-gel method. Effects of calcined temperature on structure and particle size of MnZnFe2O4 were investigated by X-ray diffraction (XRD) and scanning electron microscopy (SEM). XRD patterns indicate that the ultra fine Mn-Zn ferrite exhibits a spinel crystal structure. SEM images show......
Synthesis and characterization of multidoped lithium manganese oxide spinel LiCo0.02La0.01Mn1.97O3.98Cl0.02 ZHANG Na(张 娜), TANG Zhi-yuan(唐致远), HUANG Qing-hua(黄庆华), LU Xing-he(卢星河) School...; Abstract: Multidoped spinel LiCo0.02La0.01Mn1.97O3.98Cl0.02 was synthesized by solid-state method......
; 文献标识码: A Compatibilities of electrolytes with spinel LiMn2O4 and LiCoO2 YIN Du... active materials spinel LiMn2O4 and LiCoO2 were studied. The structures and properties of the spinel LiMn2O4 and LiCoO2 prepared were detected by XRD. The oxidation potentials of the above electrolytes......
), LIU Ye-xiang(刘业翔) (School of Metallurgical Science and Engineering,Central South University, Changsha 410083, China) Abstract: Spinel LiMn2O4-xYx (Y=F, Cl, Br) compounds were prepared by solid-state... excellent electrochemical charge-discharge performance, with high initial capacity of 143mAh/g and nearly no capacity loss after 116 cycles. Key words: spinel LiMn2O4-xYx; lattice constant; cathode......
