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Low temperature preparation of optimized phosphates for Li-battery applications

TitleLow temperature preparation of optimized phosphates for Li-battery applications
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication2004
AuthorsDelacourt, C., Wurm C., Reale P., Morcrette M., and Masquelier C.
JournalSolid State Ionics
Volume173
Pagination113-118
ISSN01672738
KeywordsCarbon coatings, Electrochemistry, evaporation, Hydrates, LiMnPO4, Lithium batteries, Low temperature effects, Microcrystalline powders, Optimal conduction, pH effects, Phosphates, Synthesis (chemical), thermodynamics
Abstract

We describe the thermodynamics and kinetics that govern the precipitation of pure powders of phosphates phases of interest for Li-battery applications. We found precise procedures for the formation of three distinct crystalline forms of FePO4 · 2H2O and of pure LiMnPO4. Our attempts to precipitate either LiCoPO4 or LiFePO4, on the other hand, failed. In this latter case, optimized electrodes for battery applications were synthesized through a chemical conductive carbon coating at the surface of LiFePO4 prepared by evaporation of an Fe III-containing aqueous solution. © 2004 Elsevier B.V. All rights reserved.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-10044287114&doi=10.1016%2fj.ssi.2004.07.061&partnerID=40&md5=034385ad8b1f071a22d7ac04333782c6
DOI10.1016/j.ssi.2004.07.061
Citation KeyDelacourt2004113