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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 NameAffiliationPostcode
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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