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after 50 cycles at 32 mA/g. Key words: Co-precipitation method; Li(Ni1/3Co1/3Mn1/3)O2; positive materials; lithium ion batteries 1 Introduction LiCoO2 is the mostly wide used positive material... of this material. Therefore, extensive research has been carried out to find alternative positive electrode materials such as LiFePO4[1-2] and LiMn2O4[3-4]. Recently, the layer-structural......
Performance of positive and negative electrodes in amorphous manganese oxide supercapacitor ZHANG Ying(张 莹)1, LIU Kai-yu(刘开宇)1, 2, ZHANG Wei(张 伟)1, SU Geng(苏 耿)2 1. School... for microstructure characterization, while cyclic voltammetry and constant current charge-discharge were used for electrochemical performance testing. The positive electrode (PE) and negative electrode (NE......
Characterization of (100)-orientated diamond film grown by HFCVD method with a positive DC bias voltage MA Ying(马 莹)1, WANG Lin-jun(王林军)1, LIU Jian-min(刘建敏)1, SU Qing-feng(苏青峰)1, XU Run(徐 闰)1, PENG Hong-yan(彭鸿雁)2, SHI Wei-min(史伟民)1, XIA Yi-ben(夏义本)1 1.School of Materials Science and Engineering, Shanghai University, Shanghai 200072, China; 2.Physics Department, Mudanjiang......
Ytterbium Hydroxide and Erbium Hydroxide Coating of Spherical Nickel Hydroxide Positive Materials for Ni-MH Batteries at High-Temperature张文广,蒋文全,于丽敏,傅钟臻,夏雯,郭荣贵,陈飞彪,李涛摘 要:For the purpose of the important high-temperature charge-discharge performances of spherical Ni(OH)2 used as positive materials for Ni-MH batteries, Yb(OH)3 and Er(OH)3 were used......
POSITIVE TEMPERATURE COEFFICIENT PHENOMENON OF CARBON LOADED NBR COMPOSITES万影摘 要:<正>The resistivity of conductive composites ofNBR(Butadiene nitrile rubber)filled with conductive car-bon black and two kinds of special organic fillers was mea-sured from room temperature to 90℃.In such semiconduc-tive systems.A possitive,temperature coefficient(PTC......
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Positive MR and Large Temperature-Field Sensitivity in Manganite Based HeterostructuresUma Khachar1,P.S.Solanki1,D.G.Kuberkar11. Department of Physics,Saurashtra University摘 要:positive MR at 300 K,in both the heterostructures,has been explained......
Synthesis and Physicochemical Properties of L-(+)-a-(Positive Butyl)-Leucine Ethyl Ester Chiral Ionic Liquids田甜,胡小玲,GUAN Ping,TANG Yimei,WANG HongliDepartment of Applied Chemistry, School of Natural...-(positive butyl)-leucine ethyl ester bromide chiral ionic liquid was synthesized by using microwave-assisted synthesis method and L-(+)-α-(positive butyl)-leucine ethyl ester terafluoroborate......
Properties of oxide coating on the surface of ZrH1.8 prepared by microarc oxidation with different positive voltagesGuo-Qing Yan,Wei-Dong Chen,Xue-Kui Zhong,Shu-Fang YanSchool of Materials Science... specimens in phosphate solution system by microarc oxidation technique. Influence of positive voltage on hydrogen permeation barriers on the surface of zirconium hydride was investigated as the main factor......
. Department of Electronic Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China; 2. Key Laboratory of Ferroelectric and Piezoelectric Materials and Devices of Hubei... 3a20 ℃ for 1 h under a N2/H2 mixing gas at an oxygen partial pressure p(O2)=10-8-10-12 MPa, and then reoxided at 900-1 000 ℃ to form multilayer positive temperature coefficient of resistance(PTCR......
