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Author Rosaiah, P. ♦ Hussain, O. M. ♦ Zhu, Jinghui ♦ Qiu, Yejun
Source SpringerLink
Content type Text
Publisher Springer US
File Format PDF
Copyright Year ©2017
Language English
Subject Keyword Li ion batteries ♦ LiFePO$_{4}$ ♦ microstructure ♦ electrical and electrochemical properties ♦ Optical and Electronic Materials ♦ Characterization and Evaluation of Materials ♦ Electronics and Microelectronics, Instrumentation ♦ Solid State Physics
Abstract Lithium iron phosphate (Li$_{ x }$FePO$_{4}$) is synthesized by a solid-state reaction method. The structural, electrical and electrochemical properties are studied in detail. It is found that the increment of lithium concentration (up to x = 1.05) does not affect the structure of LiFePO$_{4}$ but improves its electrical conductivity as well as electrochemical performance. Surface morphological studies exhibited the formation of rod-like nanoparticles with small size. Electric and dielectric properties are also investigated over a frequency range of 1 Hz–1 MHz at different temperatures. The conductivity increased with increasing temperature, which follows the Arrhenius relation with the activation energy of about 0.31 eV. And the electrochemical tests found that the Li$_{1.05}$FePO$_{4}$ cathode possessed improved discharge capacity with better cycling performance.
ISSN 03615235
Age Range 18 to 22 years ♦ above 22 year
Educational Use Research
Education Level UG and PG
Learning Resource Type Article
Publisher Date 2017-04-06
Publisher Place New York
e-ISSN 1543186X
Journal Journal of Electronic Materials
Volume Number 46
Issue Number 8
Page Count 10
Starting Page 4865
Ending Page 4874


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Source: SpringerLink