1 Ocak 2021 Dergi makalesi Açık Erişim

Demiryurek, Ridvan; Gurbuz, Nergiz; Hatipoglu, Gizem; Er, Mesut; Malkoc, Hasan; Guleryuz, Ozkan; Uyar, Gulsen; Uzun, Davut; Ates, Mehmet Nurullah

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      {
        "affiliation": "Sci & Technol Res Council Turkey TUBITAK, Energy Storage Div, Rail Transport Technol Inst RTTI, TR-41470 Kocaeli, Turkey", 
        "name": "Demiryurek, Ridvan"
      }, 
      {
        "affiliation": "Sci & Technol Res Council Turkey TUBITAK, Energy Storage Div, Rail Transport Technol Inst RTTI, TR-41470 Kocaeli, Turkey", 
        "name": "Gurbuz, Nergiz"
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      {
        "name": "Hatipoglu, Gizem"
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      {
        "affiliation": "Sci & Technol Res Council Turkey TUBITAK, Energy Storage Div, Rail Transport Technol Inst RTTI, TR-41470 Kocaeli, Turkey", 
        "name": "Er, Mesut"
      }, 
      {
        "affiliation": "Sci & Technol Res Council Turkey TUBITAK, Energy Storage Div, Rail Transport Technol Inst RTTI, TR-41470 Kocaeli, Turkey", 
        "name": "Malkoc, Hasan"
      }, 
      {
        "affiliation": "Sci & Technol Res Council Turkey TUBITAK, Energy Storage Div, Rail Transport Technol Inst RTTI, TR-41470 Kocaeli, Turkey", 
        "name": "Guleryuz, Ozkan"
      }, 
      {
        "affiliation": "Sci & Technol Res Council Turkey TUBITAK, Energy Storage Div, Rail Transport Technol Inst RTTI, TR-41470 Kocaeli, Turkey", 
        "name": "Uyar, Gulsen"
      }, 
      {
        "affiliation": "Sci & Technol Res Council Turkey TUBITAK, Energy Storage Div, Rail Transport Technol Inst RTTI, TR-41470 Kocaeli, Turkey", 
        "name": "Uzun, Davut"
      }, 
      {
        "affiliation": "Sci & Technol Res Council Turkey TUBITAK, Energy Storage Div, Rail Transport Technol Inst RTTI, TR-41470 Kocaeli, Turkey", 
        "name": "Ates, Mehmet Nurullah"
      }
    ], 
    "description": "Aqueous-based slurry media for cathode electrode production offers a cleaner and safer environment during the electrode manufacturing step compared with the conventional organic solvent-based method used in the lithium-ion battery industry. In this work, carboxymethyl cellulose (CMC), styrene-butadiene rubber (SBR), and poly(ethylene oxide) (PEO) water-based binders are used to prepare LiNi0.5Mn0.3Co0.2O2 (NMC) cathode electrode. Detail electrochemical analysis reveals that the optimum mass ratio of CMC:SBR mixture is 1:2 when preparing an aqueous slurry for the NMC electrode. To mitigate particle cracking phenomenon during electrode drying step and obtain higher mass loading, a multi-layer coating technique is implemented. CMC-PEO binder mixture in aqueous media is also studied as an alternative aqueous processing method for NMC electrodes. The electrodes prepared with CMC-PEO mixture are demonstrated to be all crack-free, and electrochemical results indicate that the optimum mass loading of NMC electrode is between 15 and 18 mg cm(-2). This method is further tested in pouch cell format using a roll-to-roll pilot-scale production line to show the feasibility for commercial applications. Remarkably, pouch cell results manifest that aqueous-processed NMC cathode against graphite anode maintains its 89% capacity at 1C even after 1000 cycles. Highlights Water-based binders of carboxymethyl cellulose-poly(ethylene oxide) provide excellent cycling stability for LiNi0.5Mn0.3Co0.2O2 electrode. Multilayer coating allows electrodes for higher loadings without any crack formation. The water-based electrode preparation method is validated by pilot scale roll-to-roll electrode production line.", 
    "doi": "10.1002/er.7171", 
    "has_grant": false, 
    "journal": {
      "issue": "15", 
      "pages": "21182-21194", 
      "title": "INTERNATIONAL JOURNAL OF ENERGY RESEARCH", 
      "volume": "45"
    }, 
    "license": {
      "id": "cc-by"
    }, 
    "publication_date": "2021-01-01", 
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      "title": "Dergi makalesi", 
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    "science_branches": [
      "Di\u011fer"
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    "title": "Roll-to-roll manufacturing method of aqueous-processed thick LiNi0.5Mn0.3Co0.2O2 electrodes for lithium-ion batteries"
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