An experimental study on the thermal performance of cellulose-graphene-based thermal interface materials

被引：30
作者：
Jeon, Daechan [1 ]
Kim, Se Hyun [2 ]
Choi, Wonjoon [3 ]
Byon, Chan [1 ]
机构：
[1] Ulsan Natl Inst Sci & Technol, Sch Mech Aerosp & Nucl Engn, Ulsan 44919, South Korea
[2] Yeungnam Univ, Sch Chem Engn, Gyongsan 38541, South Korea
[3] Korea Univ, Sch Mech Engn, Seoul 02841, South Korea
来源：
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2019年 / 132卷
基金：
新加坡国家研究基金会;
关键词：
TIM; Cellulose; Paper; Graphene; CONVECTION HEAT-TRANSFER; NANOFIBRILLATED CELLULOSE; HYBRID FILMS; SUBJECT; PAPER; FINS; SINK;
D O I：
10.1016/j.ijheatmasstransfer.2018.12.061
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
In this study, an innovative thermal interface material (TIM) paper based on a composite of cellulose and graphene is investigated experimentally. Six types of commercially-available papers: a wool paper; an aqua satin; a merit paper: a new craft board; and two oriental traditional papers (Bulgyeong and Daerye) are used to fabricate the paper-graphene composites via bar coating and a slot die coating. The fabricated TIM papers are lightweight, flexible and robust against tensile strength. The in-plane and through-plane thermal conductivities of the TIM papers are measured using a laser-flash-method (LFM). The measured in-plane thermal conductivities are of the order of 5 W/m-K, whereas the through-plane thermal conductivities are of the order of 0.1 W/m-K. These results suggest that the addition of graphene significantly enhance the in-plane thermal conductivity of papers, while the through plane thermal conductivities are not significantly improved. The mechanical properties of the TIM papers are also tested. This work provides a new possibility for development of next-generation thermal interface materials with good thermal and mechanical properties. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码：944 / 951
页数：8
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