1 Ocak 2013 Dergi makalesi Açık Erişim

Avci, Ercan; Mazman, Muhsin; Uzun, Davut; Bicer, Emre; Sener, Tansel

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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/89309</identifier>
  <creators>
    <creator>
      <creatorName>Avci, Ercan</creatorName>
      <givenName>Ercan</givenName>
      <familyName>Avci</familyName>
      <affiliation>TUBITAK, Marmara Res Ctr, Energy Inst, TR-41470 Gebze, Kocaeli, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Mazman, Muhsin</creatorName>
      <givenName>Muhsin</givenName>
      <familyName>Mazman</familyName>
      <affiliation>TUBITAK, Marmara Res Ctr, Energy Inst, TR-41470 Gebze, Kocaeli, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Uzun, Davut</creatorName>
      <givenName>Davut</givenName>
      <familyName>Uzun</familyName>
      <affiliation>TUBITAK, Marmara Res Ctr, Energy Inst, TR-41470 Gebze, Kocaeli, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Bicer, Emre</creatorName>
      <givenName>Emre</givenName>
      <familyName>Bicer</familyName>
      <affiliation>TUBITAK, Marmara Res Ctr, Energy Inst, TR-41470 Gebze, Kocaeli, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Sener, Tansel</creatorName>
      <givenName>Tansel</givenName>
      <familyName>Sener</familyName>
      <affiliation>TUBITAK, Marmara Res Ctr, Energy Inst, TR-41470 Gebze, Kocaeli, Turkey</affiliation>
    </creator>
  </creators>
  <titles>
    <title>High Performance Lifepo4/Cn Cathode Material Promoted By Polyaniline As Carbon-Nitrogen Precursor</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2013</publicationYear>
  <dates>
    <date dateType="Issued">2013-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/89309</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1016/j.jpowsour.2013.04.030</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">A facile and efficient solid state synthesis of carbon and nitrogen coated lithium iron phosphate (LiFePO4/CN) cathode material is achieved via polymer-pyrolysis method using polyaniline-chloride (PANI-CI). The current investigation is comparatively analyzed with the results of the composite of LiFePO4/C (LFP/C) synthesized using sucrose as carbon precursor. The optimized LiFePO4/CN (LFP/CN) composite is synthesized at 700 degrees C using 10 wt.% PANI-CI. The composite exhibits remarkable improvement in capacity, cyclability and rate capability compared to those of LFP/C. The specific discharge capacities as high as 164 mAh g(-1) (theoretical capacity: 170 mAh g(-1)) at 0.1 C and 100 mAh g(-1) at 10 C rates were achieved with LFP/CN. In addition, the composite exhibits a long-term cycling stability with the capacity loss of only 10% after 1000 cycles. PANI-CI shifts the size distribution of the composite to nanometer scale (approximately 150 nm), however the addition of sucrose does not have such an effect. LFP/CN contains 1.6 wt.% nitrogen and 15.8 wt.% carbon. LFP particles are mostly coated with a few nanometers thick C-N layer forming a core-shell structure. The possible crosslinking mechanism of PANI-Cl upon pyrolysis on size reduction and formation of uniform carbon/nitrogen coating on LFP are also discussed. (C) 2013 Elsevier B.V. All rights reserved.</description>
  </descriptions>
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