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Layer by layer synthesis of Sn-Co-C microcomposites and their application in lithium ion batteriesZHOU Xiang-yang(周向阳), ZOU You-lan(邹幽兰), Yang Juan(杨娟), XIE Jing(谢静), WANG Song-can(王松灿)(School... for lithium ion batteries. The self-assembled Sn-Co-C composites with nano-scaled microstructures were prepared via solution method and carbothermal technology. The morphology and physical structure were......
J. Cent. South Univ. (2020) 27: 2606-2613 DOI: https://doi.org/10.1007/s11771-020-4485-9 Simulation of second-order RC equivalent circuit model of lithium battery based on variable resistance...-Verlag GmbH Germany, part of Springer Nature 2020 Abstract: With the rise of the electric vehicle industry, as the power source of electric vehicles, lithium battery has become a research hotspot......
discussed. The results show that the sample doped with magnesium and coated with boron oxide has excellent electrochemical and physical properties. The initial discharge capacity vs lithium anode is 181 mA·h... and an overcharge resistant ability, its thermal decomposition temperature in state of charge rises 12 ℃ compared with the un-doped and uncoated sample. Key words: lithium ion battery; cathode material......
ARTICLE J. Cent. South Univ. (2019) 26: 1481-1492 DOI: https://doi.org/10.1007/s11771-019-4104-9 Facile synthesis of hierarchically structured manganese oxides as anode for lithium-ion batteries... and Technology, Shenzhen 518055, China Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019 Abstract: Developing high-performance lithium ion batteries (LIBs......
Preparation and electrochemical performance of Li2Mn0.5Fe0.5SiO4 cathode material with sol-gel method for lithium ion batteriesHU Chuan-yue(胡传跃), GUO Jun(郭军), WEN Jin(文瑾), PENG Yang-xi(彭秧锡... particles with a geometric mean diameter of 220 nm. The Li2Fe0.5Mn0.5SiO4 sample was used as an electrode material for rechargeable lithium ion batteries, and the electrochemical measurements were......
framworks and its lithium storage properties [J]. Journal of Central South University, 2019, 26(6): 1469-1480. DOI: https://doi.org/10.1007/s11771-019-4103-x. 1 Introduction Metal oxide nanomaterials are one of the most important classes of materials due to their excellent properties and wide applications in lithium ion batteries (LIBs) [1-7]. Among diverse metal oxide nanomaterials, the antimony oxide......
-DSC thermal analysis, contact angle and XPS test. The results show that the mechanical milling process can destroy the organic film on the graphite surface, and lithium cobalt oxide needs further processing. In order to remove the lithium cobalt oxide surface organic material while avoiding the loss of graphite, the heat treatment temperature should not exceed 500 ℃. When calcined at 400 ℃ for 30......
as starting materials. The effects of calcination temperature and refluxing system on the composition and properties of lithium silicate were investigated. The samples were characterized by TGA/DTA, XRD... appearance. Key words: lithium ion batteries; Li2FeSiO4; Li2SiO3; sol-gel method 1 Introduction Among the novel cathode materials for lithium ion batteries, iron-based active materials seem......
). The as-synthesized Ce2Sn2O7 ultrafine nanocubes have been evaluated as electrode materials for pseudo-capacitors and lithium ion batteries. When testing as supercapacitors, a high specific capacitance of 222 F/g at 0.1 A/g and a good cycling stability with a capacitance retention of higher than 86% after 5000 cycle have been achieved. When targeted for anode material for lithium ion batteries......
Preparation and effects of W-doping on electrochemical properties of spinel Li4Ti5O12 as anode material for lithium ion batteryZHANG Xin-long(张新龙), HU Guo-rong(胡国荣), PENG Zhong-dong(彭忠东)(School... is promising as a high rate anode for the lithium-ion batteries.Key words:lithium-ion battery; lithium titanate; anode material; doping......
