Synthesis and Electrical Properties of Li[Ni1/3Mn1/3Co1/3]O2

被引：0
|
作者：
Kumar, Sunil [1 ]
Yadav, Arun [1 ]
Shirage, Parasharam M. [1 ,2 ]
Sen, Somaditya [1 ,2 ]
机构：
[1] Indian Inst Technol Indore, Dept Met Engn & Mat Sci, Khandwa Rd, Indore 453552, Madhya Pradesh, India
[2] Indian Inst Technol Indore, Discipline Phys, Khandwa Rd, Indore 453552, Madhya Pradesh, India
来源：
61ST DAE-SOLID STATE PHYSICS SYMPOSIUM | 2017年 / 1832卷
关键词：
Li[Ni1/3Mn1/3Co1/3]O-2; Impedance spectroscopy; Rietveld refinement;
D O I：
10.1063/1.4980649
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Among cathode materials for Li-ion batteries, layered Li[Ni, Co, Mn]O-2 with hexagonal structure have drawn significant attention recently due to their excellent energy density. In the present study, Li[Ni1/3Mn1/3Co1/3]O-2 was prepared using a sol-gel assisted combustion method. Rietveld refinement of room temperature X-ray diffraction data confirmed the crystallization of single-phase hexagonal Li[Ni1/3Mn1/3Co1/3]O-2 in space group R (3) over barm with calculated lattice parameters a = 2.8615(8)angstrom and c = 14.229(1) angstrom. Impedance spectroscopy was used to study the electrical properties of LMN ceramics. DC conductivity was found to be 5.1x10(-3) Omega(-1)m(-1) at room temperature and obeyed the Arrhenius relation with activation energy E-A = 0.27 +/- 0.01 eV.
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页数：2
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