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cathode; compatibility; electrochemical performance 20世纪90年代中期,锂离子电池在航天航空和军事领域的应用对其低温性能提出了更高的要求.为了提高低温下锂离子电池的功率和比能量密度,人们开始着手低温电解液的研究[1-3],针对的电池正极材料以LiCoO2,LiNiCoO2和LiMn2O4为主.1997年GOODENOUGH的课题组[4]报道了橄榄石结... containing ester cosolvents for improved low temperature performance[J]. Journal of the Electrochemical Society A, 2010, 157(12): 1361-1374. [8] SMART M C, RATNAKUMAR B V, AMINE K. Improved wide......
synthesized by a simple solid-state method. The effects of Na+ doping on the crystalline structure and electrochemical performance of LiNi0.5Mn1.5O4 cathode material were systematically investigated...: cathode material; LiNi0.5Mn1.5O4; Na+ doping; electrochemical performance 1 Introduction Lithium ion batteries (LIBs) have great potentials to be applied as large-scale power source for electric......
, and the grain size goes up with increasing amount of doping Ti. Li(Mn1/3Ni1/3Co1/3)0.9Ti0.1O2 was confirmed as having the optimum electrochemical performance, whose first discharge capacity can reach 215mA·h/g at current rate of 20mA/g in voltage range from 2.5 to 4.6V. Key words: Li(Mn1/3Ni1/3Co1/3)0.9Ti0.1O2; Li-ion battery; doping; electrochemical performance 商品化的锂离子电池正极材料LiCoO2因钴资源有限......
electrochemical performance for spherical Ni(OH)2 PENG Mei-xun1,2,3, SHEN Xiang-qian2,4, WANG Ling-sen1 (1. School of Geoscience and Environmental Engineering, Central South University, Changsha 410083... and galvanostatic charge and discharge technologies were used to study microstructures and thermal decomposition characteristics of spherical Ni(OH)2 and their effects on the electrochemical performance using......
addition on microstructure and electrochemical performance of AP65 magnesium alloy HU Cheng-wang1, WANG Ri-chu1, PENG Chao-qun1, FENG Yan1, WANG Nai-guang1, 2 (1. School of Materials Science... in AP65 magnesium alloys with increasing the Ce content, leading to a great improvement of the electrochemical performance. The discharge potential of AP65 alloy is shifted from -1.648 V (vs SCE......
and electrochemical performance of flowerlike LiFePO4 hierarchically microstructures[J]. Chinese Journal of Inorganic Chemistry, 2015, 31(4): 731-738. [11] QU Qun-ting, ZHU Yu-song, GAO Xiang-wen, WU... and their electrochemical performance[J]. Electrochimica Acta, 2016, 188: 625-635. [42] ZENG Yi, GAO Guo-hua, WU Guang-ming, YANG Hui-yu. Nanosheet-structured vanadium pentoxide thin film as a carbon......
Electrochemical performance of LiNi0.5Mn0.5O2 with different synthesis methodsHong Li1,Qiang Xu1,Xi-Xi Shi2,Da-Wei Song2,Lian-Qi Zhang21. Department of Applied Chemistry, School of Chemical... and electrochemical behaviors of Li Ni0.5Mn0.5O2 were characterized by X-ray diffraction(XRD), scanning electron microscopy(SEM) and electrochemical tests. XRD patterns show that both the sol–gel and carbonate co......
%. 关键词:锂离子电池；正极材料；结构变化；电化学性能 中图分类号:TM912.9；O614.111 文献标志码:A Structrural change and electrochemical performance of LiNi0.5Co0.2Mn0.3O2 as cathode material for lithium ion... the cation mixing, thus, significantly improve the electrochemical performance of the material. LiNi0.5Co0.2Mn0.3O2 heat-treated by two-stage heating program shows a high initial discharge capacity......
and electrochemical performance of phenolic resin-based activated carbon microbeads for supercapacitors BAI Li, WANG Xian-you, WANG Xing-yan, AN Hong-fang, ZHENG Li-ping, ZHANG Xiao-yan (Key Laboratory... graphitization have amorphous carbon structure and good spherical morphology at the optimal carbonized temperature of 750 ℃. The electrode made of them has good electrochemical performance......
electrochemical performance. The activation mechanism of zinc to Mg-6%Al-5%Pb anode is as follows: The hydrolyzation of dissolved Zn2+ ions reduces the pH value of the solution near the surface of the anode..., emergency equipments, balloon batteries and life jackets [5-8]. Electrochemical discharge activity is a very important performance for magnesium anode materials used in seawater battery. High system......
