期刊
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
卷 137, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2020.105992
关键词
Carbon fiber; Thermal properties; Electrical properties; Surface heating elements paper
资金
- Korea Institute of Science and Technology (KIST) Institutional program [2Z06250]
- Industrial Core Technology Development Program - Ministry of Trade, Industry and Energy, Republic of Korea [10052760]
- Carbon Cluster Development Program - Ministry of Trade, Industry and Energy, Republic of Korea [10083586]
- Civil-Military Technology Cooperation Program - Ministry of Trade, Industry and Energy, Republic of Korea
- Korea Evaluation Institute of Industrial Technology (KEIT) [10083586, 10052760] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Carbon fiber (CFs)-based surface heating papers (CFPs) have received considerable attention due to their excellent electrical and thermal conductivities in heating elements. We describe the fabrication of CFPs by wet-laid process using heat-treated polyacrylonitrile-based CFs and a dispersing agent comprising methylcellulose with high hydroxyl groups and anionic poly (acrylic acid). The electrical and thermal conductivities of chopped CFs were enhanced to 1314.9 S/cm and 153.8 W/mK, respectively, by thermal treatment at 2700 degrees C. In heating performance testing, CFP-2700 demonstrated an excellent electrical heating temperature of 105.5 degrees C along with a high heat output of 3788 W/m(2) at 7 V. In addition, the CFPs were more efficient compared to commercially available one-dimensional Ni-Cr wire heating elements. We believe that CFPs can be used as lightweight heating elements in various industries.
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