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Comparison of the electrochemical mechanisms of FePx (x=1,2,4) based electrodes in Li-Ion Batteries

hal.structure.identifierInstitut Charles Gerhardt Montpellier - Institut de Chimie Moléculaire et des Matériaux de Montpellier [ICGM ICMMM]
dc.contributor.authorBOYANOV, Simeon
hal.structure.identifierInstitut Charles Gerhardt Montpellier - Institut de Chimie Moléculaire et des Matériaux de Montpellier [ICGM ICMMM]
dc.contributor.authorZITOUN, David
hal.structure.identifierAdvanced Lithium Energy Storage Systems - ALISTORE-ERI [ALISTORE-ERI]
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorMÉNÉTRIER, Michel
hal.structure.identifierInstitut Charles Gerhardt Montpellier - Institut de Chimie Moléculaire et des Matériaux de Montpellier [ICGM ICMMM]
hal.structure.identifierLaboratoire des Agrégats Moléculaires et Matériaux Inorganiques [LAMMI]
dc.contributor.authorJUMAS, Jean-Claude
hal.structure.identifierInstitut Charles Gerhardt Montpellier - Institut de Chimie Moléculaire et des Matériaux de Montpellier [ICGM ICMMM]
dc.contributor.authorWOMES, Manfred
hal.structure.identifierInstitut Charles Gerhardt Montpellier - Institut de Chimie Moléculaire et des Matériaux de Montpellier [ICGM ICMMM]
hal.structure.identifierLaboratoire des Agrégats Moléculaires et Matériaux Inorganiques [LAMMI]
dc.contributor.authorMONCONDUIT, Laure
dc.date.issued2009
dc.identifier.issn1932-7447
dc.description.abstractEnThe electrochemical reaction mechanisms of FeP<sub><i>x</i></sub> (<i>x</i> = 1, 2, 4) as electrode materials in Li batteries were analyzed by <sup>57</sup>Fe Mssbauer spectroscopy, magnetic and NMR measurements. Depending on their stoichiometry, iron phosphides react with lithium along different pathways. FeP and FeP<sub>2</sub> are fully or partially converted to a composite electrode of Li<sub>3</sub>P and Fe. For both, the same intermediate phases, namely FeP and Li<sub><i>x</i></sub>FeP, were identified in cycling and FeP is partially regenerated on charge. Surprisingly, FeP<sub>4</sub> reacts with Li through an insertion type process previously identified for earlier transition metal phosphides (Ti, V, and Mn), and no conversion reaction to Li<sub>3</sub>P/Fe is observed. The long-term stability of the composite electrode Li<sub>3</sub>P/Fe<sub>0</sub> and of the intermediate phase Li<sub><i>x</i></sub>FeP is analyzed.
dc.language.isoen
dc.publisherAmerican Chemical Society
dc.title.enComparison of the electrochemical mechanisms of FePx (x=1,2,4) based electrodes in Li-Ion Batteries
dc.typeArticle de revue
dc.identifier.doi10.1021/jp906080j
dc.subject.halChimie/Matériaux
bordeaux.journalJournal of Physical Chemistry C
bordeaux.page21441-21452
bordeaux.volume113
bordeaux.issue51
bordeaux.peerReviewedoui
hal.identifierhal-00528301
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00528301v1
bordeaux.COinSctx_ver=Z39.88-2004&amp;rft_val_fmt=info:ofi/fmt:kev:mtx:journal&amp;rft.jtitle=Journal%20of%20Physical%20Chemistry%20C&amp;rft.date=2009&amp;rft.volume=113&amp;rft.issue=51&amp;rft.spage=21441-21452&amp;rft.epage=21441-21452&amp;rft.eissn=1932-7447&amp;rft.issn=1932-7447&amp;rft.au=BOYANOV,%20Simeon&amp;ZITOUN,%20David&amp;M%C3%89N%C3%89TRIER,%20Michel&amp;JUMAS,%20Jean-Claude&amp;WOMES,%20Manfred&amp;rft.genre=article


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