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The studies on Li2.7Mg0.3N anode materials of new lithium ion battery
Yan, JM; Yang, JX; Jia, YZ; Wang, ZC; Jing, Y; Zhou, Y
2001
发表期刊ACTA CHIMICA SINICA
卷号59期号:12页码:2158-2161
文章类型Article
摘要Li2.7Mg0.3N was synthesized by using a mixture Of Li3N and Mg metal as starting materials. Atomic absorption, XRD and Coulombic titration tests are carried out for the studies on the constitution and properties of Li2.7Mg0.N-3. Atomic absorption analysis reveals the constitution of the sample is Li2.74Mg0.26N. It is shown that Li2.7MgO0.3N has a tetragonal structure with the cell parameters of sample a = 0.388 nm, c = 0.547 nm. The sample's specific capacity is 1695 (mA . h)/g, the maximum of Li+ intercalation is 2.5276; the intercalation fr-ee energy of Li+ DeltaG(in) obtained from the EMF(x) data is -397.51 kJ/mol; the chemical diffusion coefficient of Li+ into Li2.7Mg0.3N is determined to be about 5.90 x 10(-11) similar to 7.23 x 10(-10) cm(2)/s at room temperature and a series of thermodynamic and kinetic parameters is gained. Thermodynamic factor dlna(i)/dlnc(i) is 10.91, ion electrical conductivity sigma (i) is 1.15 x 10(-6) S.cm(-1); component diffusion coefficient D-i is 5.4 x 10(-11) cm(2) - s(-1); ion mobility mu (i) is 2.58 x 10(-9) s(-1) . cm(2) .V-1.
关键词Lithium Ion Battery Li2.7mg0.3n Anode Materials
WOS标题词Science & Technology ; Physical Sciences
收录类别SCI
语种英语
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000172867700023
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6056
专题青海盐湖研究所知识仓储
作者单位Chinese Acad Sci, Xian Branch, Inst Salt Lakes, Xian 710043, Peoples R China
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GB/T 7714
Yan, JM,Yang, JX,Jia, YZ,et al. The studies on Li2.7Mg0.3N anode materials of new lithium ion battery[J]. ACTA CHIMICA SINICA,2001,59(12):2158-2161.
APA Yan, JM,Yang, JX,Jia, YZ,Wang, ZC,Jing, Y,&Zhou, Y.(2001).The studies on Li2.7Mg0.3N anode materials of new lithium ion battery.ACTA CHIMICA SINICA,59(12),2158-2161.
MLA Yan, JM,et al."The studies on Li2.7Mg0.3N anode materials of new lithium ion battery".ACTA CHIMICA SINICA 59.12(2001):2158-2161.
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