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- Li, MengxiongFudan University (author)
Highly Oriented Graphite Aerogel Fabricated by Confined Liquid-Phase Expansion for Anisotropically Thermally Conductive Epoxy Composites
- Article/chapterEnglish2020
Publisher, publication year, extent ...
- 2020-05-20
- American Chemical Society (ACS),2020
Numbers
- LIBRIS-ID:oai:research.chalmers.se:492a3269-c9da-4078-91ac-5ee47ca1a9d0
- https://research.chalmers.se/publication/518264URI
- https://research.chalmers.se/publication/517986URI
- https://doi.org/10.1021/acsami.0c02151DOI
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- Language:English
- Summary in:English
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Notes
- Graphene-based thermally conductive polymer composites are of great importance for the removal of the excess heat generated by electronic devices. However, due to the orientation of graphene sheets in the polymer matrix, the through-plane thermal conductivity of polymer/graphene composites remains far from satisfactory. We here demonstrate a confined liquid-phase expansion strategy to fabricate highly oriented confined expanded graphite (CEG) aerogels. After being incorporated into epoxy resin (EP), the resulting EP/CEG composites exhibit a high through-plane thermal conductivity (4.14 ± 0.21 W m-1 K-1) at a quite low filler loading of 1.75 wt % (0.91 vol %), nearly 10 times higher than that of neat EP resin and 7.5 times higher than the in-plane thermal conductivity of the composite, indicating that the CEG aerogel has a high through-plane thermal conductivity enhancement efficiency that outperforms those of many graphite/graphene-based fillers. The facile preparation method holds great industrial application potential in fabricating anisotropic thermally conductive polymer composites.
Subject headings and genre
- NATURVETENSKAP Kemi Polymerkemi hsv//swe
- NATURAL SCIENCES Chemical Sciences Polymer Chemistry hsv//eng
- TEKNIK OCH TEKNOLOGIER Materialteknik Textil-, gummi- och polymermaterial hsv//swe
- ENGINEERING AND TECHNOLOGY Materials Engineering Textile, Rubber and Polymeric Materials hsv//eng
- TEKNIK OCH TEKNOLOGIER Materialteknik Kompositmaterial och -teknik hsv//swe
- ENGINEERING AND TECHNOLOGY Materials Engineering Composite Science and Engineering hsv//eng
- graphite aerogel
- expanded graphite
- through-plane thermal conductivity
- confined expansion
- high orientation
Added entries (persons, corporate bodies, meetings, titles ...)
- Liu, JiangweiFudan University,Boston College (author)
- Pan, ShaoxueFudan University (author)
- Zhang, JiajiaFudan University (author)
- Liu, Ya,1991Fudan University,Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)yaliu (author)
- Liu, Johan,1960Chalmers tekniska högskola,Chalmers University of Technology,Shanghai University(Swepub:cth)jliu (author)
- Lu, HongbinFudan University (author)
- Fudan UniversityBoston College (creator_code:org_t)
Related titles
- In:ACS Applied Materials & Interfaces: American Chemical Society (ACS)12:24, s. 27476-274841944-82521944-8244
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