1 Ocak 2015 Dergi makalesi Açık Erişim

Aydin, Meral; Hasimoglu, Aydin; Bayrak, Yahya; Ozdemir, Oguz Kaan

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        "affiliation": "Gebze Inst Technol, Nanotechnol Res Ctr, Kocaeli, Turkey", 
        "name": "Aydin, Meral"
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      {
        "affiliation": "Gebze Inst Technol, Nanotechnol Res Ctr, Kocaeli, Turkey", 
        "name": "Hasimoglu, Aydin"
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      {
        "affiliation": "Yildiz Tekn Univ, Dept Met & Mat Engn, Istanbul, Turkey", 
        "name": "Bayrak, Yahya"
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      {
        "name": "Ozdemir, Oguz Kaan"
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    "description": "The aim of the present work is to investigate the kinetic properties of Co-B nanoparticles which are deposited on graphene sheets by simultaneous chemical reduction of Co+2 and graphite oxides using NaBH4 as the reducing agent. The reduced Co-B/graphene nanocomposites were characterized by X-ray diffraction, and the effects of the concentration of NaBH4, NaOH, and hydrolytic temperature were discussed in detail. The results show that the concentration of NaBH4 and NaOH indeed exerted a significant impact on the hydrogen generation rate of Co-B/graphene catalysts. Reaction rate of hydrolysis first rises up and then decreases subsequently with the rising of NaOH and NaBH4 concentration. The results show that the Co-B/graphene catalyst has the high catalytic activity with activation energy of 52.45 kJ.mol(-1), and showed high resistance against deterioration and stability as a function of time. The present method is promising for the synthesis of effective supported catalysts for hydrolysis of NaBH4. (C) 2015 AIP Publishing LLC.", 
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    "journal": {
      "issue": "1", 
      "title": "JOURNAL OF RENEWABLE AND SUSTAINABLE ENERGY", 
      "volume": "7"
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    "title": "Kinetic properties of co-reduced Co-B/graphene catalyst powder for hydrogen generation of sodium borohydride"
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