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    Characterization of Expanded Graphite Microstructure and Fabrication of Composite Phase-Change Material for Energy Storage

    Source: Journal of Materials in Civil Engineering:;2015:;Volume ( 027 ):;issue: 004
    Author:
    Shi Tao
    ,
    Sun Wei
    ,
    Yang Yulan
    DOI: 10.1061/(ASCE)MT.1943-5533.0001089
    Publisher: American Society of Civil Engineers
    Abstract: Phase-change composites for energy storage were prepared by the expanded graphite (EG) absorption method and their microstructures were analyzed. The organic phase-change materials (PCMs) were evaluated for their thermal and latent heat storage properties. The expanded graphite was prepared under the microwave irradiation. The scanning electron microscope (SEM) and mercury intrusion porosimetry analyses showed that expanded graphite had micron-size pores. The EG was able to easily absorb organic PCMs because of its nonpolarity and porosity. Composite PCMs for energy storage were fabricated with paraffin and the expanded graphite. The resulting material showed superior heat storage (releasing) effects and reduced large-range fluctuation in environmental temperature, thus achieving energy transfer simultaneously across different times and space.
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      Characterization of Expanded Graphite Microstructure and Fabrication of Composite Phase-Change Material for Energy Storage

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    http://yetl.yabesh.ir/yetl1/handle/yetl/71684
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    contributor authorShi Tao
    contributor authorSun Wei
    contributor authorYang Yulan
    date accessioned2017-05-08T22:07:02Z
    date available2017-05-08T22:07:02Z
    date copyrightApril 2015
    date issued2015
    identifier other29398125.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/71684
    description abstractPhase-change composites for energy storage were prepared by the expanded graphite (EG) absorption method and their microstructures were analyzed. The organic phase-change materials (PCMs) were evaluated for their thermal and latent heat storage properties. The expanded graphite was prepared under the microwave irradiation. The scanning electron microscope (SEM) and mercury intrusion porosimetry analyses showed that expanded graphite had micron-size pores. The EG was able to easily absorb organic PCMs because of its nonpolarity and porosity. Composite PCMs for energy storage were fabricated with paraffin and the expanded graphite. The resulting material showed superior heat storage (releasing) effects and reduced large-range fluctuation in environmental temperature, thus achieving energy transfer simultaneously across different times and space.
    publisherAmerican Society of Civil Engineers
    titleCharacterization of Expanded Graphite Microstructure and Fabrication of Composite Phase-Change Material for Energy Storage
    typeJournal Paper
    journal volume27
    journal issue4
    journal titleJournal of Materials in Civil Engineering
    identifier doi10.1061/(ASCE)MT.1943-5533.0001089
    treeJournal of Materials in Civil Engineering:;2015:;Volume ( 027 ):;issue: 004
    contenttypeFulltext
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