Structural, Morphological and Impedance Spectroscopic Analyses of Nano Li(Li0.05Ni0.4Co0.3Mn0.25)O2 Cathode Material Prepared by Sol-Gel Method

被引：1
|
作者：
Nichelson, A. [1 ]
Thanikaikarasan, S. [1 ]
Kollu, Pratap [2 ]
Sebastian, P. J. [3 ]
Mahalingam, T. [4 ]
Shajan, X. Sahaya [1 ]
机构：
[1] PSN Coll Engn & Technol, Ctr Sci & Appl Res, Tirunelveli 627152, Tamil Nadu, India
[2] Indian Inst Technol, DST INSPIRE Fac, Dept Met Engn & Mat Sci, Bombay 400076, Maharashtra, India
[3] UNAM, IER, Temixco 62580, Morelos, Mexico
[4] Ajou Univ, Coll Informat Technol, Dept Elect & Comp Engn, Suwon 443749, South Korea
来源：
JOURNAL OF NEW MATERIALS FOR ELECTROCHEMICAL SYSTEMS | 2014年 / 17卷 / 03期
关键词：
Sol-gel synthesis; nanoparticles; lithium batteries; ionic conductivity; dielectric properties; ELECTROCHEMICAL PROPERTIES; LI-ION; BEHAVIOR;
D O I：
10.14447/jnmes.v17i3.415
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
In the present work, layered lithium rich Li(Li0.05Ni0.4Co0.3Mn0.25)O-2 cathode materials were synthesized and its structural and electrical studies were analyzed. Layered Li(Li0.05Ni0.4Co0.3Mn0.25)O-2 cathode material was prepared by sol-gel technique using citric acid as chelating agent. The prepared sample was characterized by X-ray diffraction, SEM-EDS studies. The crystallite size of the Li(Li0.05Ni0.4Co0.3Mn0.25)O-2 cathode material was about 57 nm in which the diffusion path of lithium ion is effectively possible. The complexation behavior of prepared cathode material was analyzed by FT-IR spectroscopy. The electrical properties of the prepared Li(Li0.05Ni0.4Co0.3Mn0.25)O-2 cathode material was studied by impedance and dielectric spectral analyzes. The maximum ionic conductivity of Li(Li0.05Ni0.4Co0.3Mn0.25)O-2 was found to be in the order of 10-3.4 S/cm. The dielectric analysis of cathode material confirms the non-Debye type behavior.
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收藏
页码：153 / 158
页数：6
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