期刊
MATERIALS LETTERS
卷 287, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.matlet.2021.129316
关键词
Graphene oxide; Solution plasma; Plasma exfoliation; Nanofluid
资金
- TNU - Thai Nguyen University of Science [CS2020-TN06-10]
- Vietnam National Foundation for Science and Technology Development (NAFOSTED) [104.06-2018.34]
- Vietnam Academy of Science and Technology [DLTE00.03/19-20]
Nanofluids containing graphene oxide prepared by solution plasma exfoliation demonstrated high thermal conductivity, showing a 31% enhancement compared to water-based fluids. The interfacial thermal resistance and thermal conductivity interfacial layer between GO and base fluid were determined to be 56 x 10(-8) m(2) K W-1 and 8.5 W m(-1) K-1, respectively.
A simple, low-cost, and environmentally friendly approach was proposed for preparing high thermal conductivity nanofluids containing graphene oxide (GO) by using the solution plasma exfoliation (SPE) technique from graphite electrode of recycled battery core. The average length and thickness of GO were determined to be and 1.5 mu m and 3.3 nm corresponding to 8-10 layers, respectively. The nanofluids containing 1 vol% GO exhibited a good stability and highest thermal conductivity of 0.786 W.m(-1).K-1 which is about 31% enhancement in the thermal conductivity compared to the water-based fluid. The interfacial thermal resistance (R-K) and the thermal conductivity interfacial layer (k(i)) between GO and base fluid were found to be 56 x 10(-8) m(2) K W-1 and 8.5 W m(-1) K-1, respectively. (C) 2021 Elsevier B.V. All rights reserved.
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