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A Soft Chemistry Approach to Coating of LiFePO4 with a Conducting Polymer

Authors

  • David Lepage,

    1. Département de Chimie, Université du Québec à Montréal, Case postale 8888 Succ. Centre-ville, Montréal, (QC) H3C 3P8 (Canada), Fax: (+1) 514-987-4054
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  • Dr. Christophe Michot,

    1. Phostech Lithium Inc. 1475, Marie-Victorin, St-Bruno de Montarville (QC) J3V 6B7 (Canada)
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  • Dr. Guoxian Liang,

    1. Phostech Lithium Inc. 1475, Marie-Victorin, St-Bruno de Montarville (QC) J3V 6B7 (Canada)
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  • Dr. Michel Gauthier,

    1. Phostech Lithium Inc. 1475, Marie-Victorin, St-Bruno de Montarville (QC) J3V 6B7 (Canada)
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  • Prof. Steen B. Schougaard

    Corresponding author
    1. Département de Chimie, Université du Québec à Montréal, Case postale 8888 Succ. Centre-ville, Montréal, (QC) H3C 3P8 (Canada), Fax: (+1) 514-987-4054
    • Département de Chimie, Université du Québec à Montréal, Case postale 8888 Succ. Centre-ville, Montréal, (QC) H3C 3P8 (Canada), Fax: (+1) 514-987-4054
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  • Nathalie Ravet is acknowledged for electrochemical assistance, Michel Preda for XRD measurements, and Jean-Phillipe Masse for the TEM images. The carbon-coated Al foil was kindly donated by Exopack.

Abstract

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Kein Kohlenstoff nötig: Mithilfe des intrinsischen Oxidationsvermögens von LiFePO4/FePO4 in Kombination mit der Reinsertion von Lithiumionen gelingt die Bildung des leitfähigen Polymers Poly(3,4-ethylendioxythiophen) (PEDOT) an festen Oberflächen. Die resultierenden Komposite haben vielversprechende elektrochemische Eigenschaften in wiederaufladbaren Lithiumbatterien; insbesondere ermöglichen sie das Weglassen von Kohlenstoffadditiven.

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