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Preparation of copper nanoparticles by chemical reduction method using potassium borohydride ZHANG Qiu-li(张秋利)1, YANG Zhi-mao(杨志懋)2, DING Bing-jun(丁秉钧)2, LAN Xin-zhe(兰新哲)1, GUO Ying-juan(郭莹娟)1... by chemical reduction method using potassium borohydride as reducing agent. The effects of reactant ratio, concentration of CuSO4, reaction temperature, and dispersant on the size of product and conversion......
Article ID: 1003-6326(2005)06-1361-06 Preparation of hyperthermal lithium complex grease MAO Da-heng(毛大恒), FENG Hao(俸 颢), SUN Xiao-ya(孙晓亚) (School of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China) Abstract: Using 12-hydroxystearate, nonan-edioic acid and lithium hydroxide as thickener, refined mineral oil and synthetic oil......
J. Cent. South Univ. Technol. (2008) 15: 830-834 DOI: 10.1007/s11771-008-0153-1 Structure characterization and electrochemical properties of new lithium salt LiODFB for electrolyte of lithium ion...: Lithium difluoro(axalato)borate (LiODFB) was synthesized in dimethyl carbonate (DMC) solvent and purified by the method of solventing-out crystallization. The structure characterization of the purified......
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ARTICLE J. Cent. South Univ. (2019) 26: 304-311 DOI: https://doi.org/10.1007/s11771-019-4002-1 Equilibrium concentration of lithium ion in sodium aluminate solution HUANG Wen-qiang(黄文强), LIU Gui... University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019 Abstract: Excess lithium in alumina is significantly bad for aluminum reduction. In this study, the concentration......
Preparation and characterization of lithium hexafluorophosphate for lithium-ion battery electrolyte LIU Jian-wen(刘建文), LI Xin-hai(李新海), WANG Zhi-xing(王志兴), GUO Hua-jun(郭华军), PENG Wen... preparation method for lithium hexafluorophosphate (LiPF6) was introduced. Phosphorus pentafluoride (PF5) was first prepared using CaF2 and P2O5 at 280 ℃ for 3 h. LiPF6 was synthesized in acetonitrile......
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......
to the eminent enhancement of dehydrogenation kinetics of LiBH4. Key words: hydrogen storage materials; hydrogen storage properties; lithium borohydride; activated charcoal; melt infiltration 1.... Figure 8 shows the XRD patterns of dehydrogenated and rehydrogenated LiBH4/AC-MI. It is clear that LiBH4 is restored after rehydrogenation; however, some diffraction peaks for lithium borohydride still......
Preparation and characteristics of Li2FeSiO4/C composite for cathode of lithium ion batteries GUO Hua-jun(郭华军), XIANG Kai-xiong(向楷雄), CAO Xuan(曹 璇), LI Xin-hai(李新海), WANG Zhi-xing(王志兴), LI Li...: A Li2FeSiO4/C composite cathode for lithium ion batteries was synthesized at 650 ℃ by solid-state reaction. The effects of carbon sources and carbon content on the properties of the Li2FeSiO4/C composites were......
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... capacity at 180th cycle. Key words: lithium ion batteries; LiMn2O4; lithium manganese oxide spinel; multidoped; electrochemical properties ......
