Paper Information

Journal:   INTERNATIONAL JOURNAL OF NANO DIMENSION (IJND)   FALL 2010 , Volume 1 , Number 2; Page(s) 111 To 118.
 
Paper: 

PREPARATION AND CHARACTERIZATION OF NANO-CRYSTALLINE LINI0.5CO0.5VO4 BY TARTATE PRECURSOR COMBUSTION METHOD

 
 
Author(s):  PHURUANGRAT A.*, THONGTEM T., THONGTEM S.
 
* DEPARTMENT OF MATERIALS SCIENCE AND TECHNOLOGY, FACULTY OF SCIENCE, PRINCE OF SONGKLA UNIVERSITY, HAT YAI, SONGKHLA 90112, THAILAND
 
Abstract: 

LiNi0.5Co0.5VO4 has been successfully synthesized by tartate precursor combustion method using Li2CO3, Co (NO3) 2.6H2O, Ni (NO3) 2.6H2O and NH4VO3 as a starting materials in deionized water with the subsequent calcination at 450-600oC for 12 h. The combustion and decomposition of tartate precursor were studied by TGA and compared with tartaric acid. It found weight loss at 50-450oC. The product showed a inverse spinel LiNi0.5Co0.5VO4 which confirmed by PXRD. The crystal and particle sizes improved when calcination temperature was increased. Raman and FITR were studied the vibration of product. They detected V-O stretching in VO4 tetrahedron, Li-O bending in LiO6 octahedron and Li-O-M (M=Ni and Co) stretching. The TEM showed morphologies that composed nano-particle of LiNi0.5Co0.5VO4.

 
Keyword(s): LITHIUM ION BATTERIES, LINI0.5CO0.5VO4, POLYMERIZATION COMPLEX, CATHODE MATERIAL
 
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