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Monodisperse CoFe2O4 nanoparticles supported on Vulcan XC-72: High performance electrode materials for lithium-air and lithium-ion batteries

Sener, Tansel; Kayhan, Emine; Sevim, Melike; Metin, Onder


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    "creators": [
      {
        "affiliation": "TUBITAK, Energy Inst, Marmara Res Ctr, TR-41470 Gebze, Kocaeli, Turkey", 
        "name": "Sener, Tansel"
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      {
        "affiliation": "TUBITAK, Energy Inst, Marmara Res Ctr, TR-41470 Gebze, Kocaeli, Turkey", 
        "name": "Kayhan, Emine"
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      {
        "affiliation": "Ataturk Univ, Fac Sci & Educ, Dept Chem, TR-25240 Erzurum, Turkey", 
        "name": "Sevim, Melike"
      }, 
      {
        "affiliation": "Ataturk Univ, Fac Sci & Educ, Dept Chem, TR-25240 Erzurum, Turkey", 
        "name": "Metin, Onder"
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    "description": "Addressed herein is the preparation and the electrode performance of monodisperse CoFe2O4 nanoparticles (NPs) supported on Vulcan XC-72 for the Lithium-air battery (LAB) and Lithium-ion battery (LIB). Monodisperse CoFe2O4 NPs were synthesized by the thermal decomposition of cobalt(II) acetylacetonate and iron(III) acetylacetonate in oleylamine and oleic acid in the presence of 1,2-tetradecanediol and benzyl ether. As-prepared CoFe2O4 NPs with a particle size of 11 nm were then supported on Vulcan XC-72 (Vulcan-CoFe2O4) at different theoretical loadings (20, 40 and 60 wt % CoFe2O4 NPs) by using the simple liquid phase self assembly method. CoFe2O4 NPs dispersed on Vulcan-CoFe2O4 composites were characterized by transmission electron microscopy (TEM), powder X-ray diffraction (PXRD) and atomic absorption spectroscopy (AAS). The MS analyses indicated that the Vulcan-CoFe2O4 composites with different loadings were included 3.7, 8.1 and 16.4 wt % CoFe2O4 on the metal basis. The electrode performance of Vulcan-CoFe2O4 composites were evaluated as the anode active material for LIB and cathode active material for LABs by performing the galvanostatic charge-discharge tests. The highest discharge capacity for both LAB (7510 mAh g((Vulcan+CoFe2O4))(-1); 13380 mAh g(CoFe2O4)(-1) @ 0.1C) and LIB (863 mAh g((Vulcan+CoFe2O4))(-1); 9330 mAh g(CoFe2O4)(-1)@ 0.1C) was investigated with 16.4 wt % CoFe2O4. (c) 2015 Elsevier B.V. All rights reserved.", 
    "doi": "10.1016/j.jpowsour.2015.04.120", 
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    "journal": {
      "pages": "36-41", 
      "title": "JOURNAL OF POWER SOURCES", 
      "volume": "288"
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    "title": "Monodisperse CoFe2O4 nanoparticles supported on Vulcan XC-72: High performance electrode materials for lithium-air and lithium-ion batteries"
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