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A New Lithium Iron Phosphate LiFe2P3O10 Synthesized at 600 °C from Precursor Obtained by Wet Chemistry

Published online by Cambridge University Press:  26 February 2011

Atmane Ait-Salah ,
Chintalapalle V Ramana ,
François Gendron ,
Jean-François Morhange ,
Alain Mauger ,
Mohamed Selmane  and
Christian M Julien
Atmane Ait-Salah
Affiliation:
atmane.aitsalah@insp.jussieu.fr, University Paris 6, INSP, 140 rue de Lourmel, Paris, 75015, France
Chintalapalle V Ramana
Affiliation:
ramanac@umr.edu, University of Michigan, Dept of Geological Sciences, Ann Arbor, MI, 48109, United States
François Gendron
Affiliation:
gendron@ccr.jussieu.fr, University Parisd 6, INSP, 140 rue de Lourmel, Paris, 75015, France
Jean-François Morhange
Affiliation:
jfm@ccr.jussieu.fr, University Paris 6, INSP, 140 rue de Lourmel, Paris, 75015, France
Alain Mauger
Affiliation:
mauger@ccr.jussieu.fr, CNRS, MPPU, 140 rue de Lourmel, Paris, 75015, France
Mohamed Selmane
Affiliation:
mohamed.selmane@insp.jussieu.fr, University Paris 6, INSP, 140 rue de Lourmel, Paris, 75015, France
Christian M Julien
Affiliation:
Christian.Julien@insp.jussieu.fr, University Paris 6, INSP, 140 rue de Lourmel, Paris, 75015, France
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Abstract

We present the synthesis and characterization of a novel lithium iron polyphosphate LiFe2P3O10 prepared by wet-chemical technique from nitrate precursors. The crystal system is shown to be monoclinic (P21/m space group) and the refined cell parameters are a=4.596 Å, b=8.566 Å, c=9.051 Å and β=97.46°. LiFe2P3O10 has a weak antiferromagnetic ordering below the Néel temperature TN=19 K. Electrochemical measurements carried out at 25 °C in lithium cell with LiPF6-EC-DEC electrolyte show a capacity 70 mAh/g in the voltage range 2.7-3.9 V.

Keywords

intercalationsol-geloxide
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 972: Symposium AA – Solid-State Ionics—2006 , 2006 , 0972-AA06-13
Copyright
Copyright © Materials Research Society 2007

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References

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