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Electrochemical Features of Li-Ni-Mn-Co Oxides

Published online by Cambridge University Press:  26 February 2011

Ashraf Adbel-Ghany ,
Karim Zaghib ,
Alain Mauger ,
François Gendron ,
A.E. Eid ,
H. Abbas ,
Ahmed M Hashem ,
Chintalapalle V Ramana  and
Christian M Julien
Ashraf Adbel-Ghany
Affiliation:
ashraf@yahoo.com, University Paris 6, INSP, 140 rue de Lourmel, Paris, 75015, France
Karim Zaghib
Affiliation:
karimz@ireq.ca, IREQ, 1800 boulevard Lionel-Boulet,, Varennes, J3X 1S1, Canada
Alain Mauger
Affiliation:
mauger@ccr.jussieu.fr, CNRS, MPPU, 140 rue de Lourmel, Paris, 75015, France
François Gendron
Affiliation:
gendron@ccr.jussieu.fr, University Paris 6, INSP, 140 rue de Lourmel, Paris, 75015, France
A.E. Eid
Affiliation:
eid@yahoo.com, National Research Center, Inorganic Chemistry Dept, El Behoos Street, Giza, Cairo, 1000, Egypt
H. Abbas
Affiliation:
abbas@yahoo.com, National Research Center, Inorganic Chemistry Dept, El Behoos Street, Giza, Cairo, 1000, Egypt
Ahmed M Hashem
Affiliation:
hashem@yahoo.com, National Research Center, Inorganic Chemistry Dept, El Behoos Street, Giza, Cairo, 1000, Egypt
Chintalapalle V Ramana
Affiliation:
ramanac@umr.edu, University of Michigan, Nanoscience and Surface Chemistry Laboratory, Ann Arbor, MI, 48109, United States
Christian M Julien
Affiliation:
Christian.Julien@insp.jusssieu.fr, University Paris 6, INSP, 140 rue de Lourmel, Paris, 75015, France
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Abstract

We report the electrochemical behavior of various layered oxides in Li cells. A series of LiNiyMnyCozO2 materials (with z=1-2y) was synthesized by “chimie douce” and investigated as positive electrodes in rechargeable lithium batteries. Electrochemical performances of LiNiyMnyCozO2 oxides are tested cell using non-aqueous 1M LiPF6 dissolved in EC-DEC. Charge discharge profiles are investigated as a function of the rate capability, the voltage window and the synthesis parameters of the cathode. A relation is found between the gravimetric capacity and the cation disorder of materials as indicated by magnetometry analysis.

Keywords

intercalationsol-gelmagnetic properties
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 973: Symposium BB – Mobile Energy , 2006 , 0973-BB04-05
Copyright
Copyright © Materials Research Society 2007

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References

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