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Effect of Graphene Content and Basis Weight on Performance of Thermal Conductive Graphene Membrane |
Received:June 01, 2021 |
DOI:10.11980/j.issn.0254-508X.2022.01.006 |
Key Words:nanofibrillated cellulose graphene thermal conductivity |
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Abstract:In this study, nanofibrillated cellulose (NFC) and graphene (GR) were used as raw materials to prepare ultra-thin high thermal conductive composite membrane (GR/NFC membrane) through wet papermaking technology, and the effects of GR content and basis weight of membrane on the performance of GR/NFC membrane were also discussed. The results showed that both the GR content and basis weight affected the overall performance of the GR/NFC membrane. TG-DSC analysis showed that the thermal stability of GR/NFC membrane increased with the increase of GR content, the pore of membrane became smaller, and the thermal conductivity was improved. When the basis weight of GR/NFC membrane was 80 g/m2 and the GR content was 10%, the thermal conductivity was 9.863 W/(m·K). When the GR content increased to 30%, the thermal conductivity was increased by 43.72%. When the GR content was 30% and the basis weight of GR/NFC membrane was increased from 40 g/m2 to 80 g/m2, the thermal conductivity increased by 23.24%. |
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