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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 |
| Author Name | Affiliation | Postcode | | LI Renkun | School of Light Industry and Engineering,South China University of Technology,Guangzhou,Guangdong Province,510640 | 510640 | | LIU Chengyue | Zhejiang Kaien Special Materials Co.,Ltd., Lishui, Zhejiang Province, 323300 | 323300 | | WANG Xiwen* | School of Light Industry and Engineering,South China University of Technology,Guangzhou,Guangdong Province,510640 | 510640 |
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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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