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Open AccessArticle

Effect of Heat Treatment on the Properties of Wood-Derived Biocarbon Structures

1
School of Engineering and Material Science, Queen Mary University of London, London E1 4NS, UK
2
Nanoforce Technology Limited, London E1 4NS, UK
*
Author to whom correspondence should be addressed.
Materials 2018, 11(9), 1588; https://doi.org/10.3390/ma11091588
Received: 3 August 2018 / Revised: 17 August 2018 / Accepted: 21 August 2018 / Published: 2 September 2018
(This article belongs to the Special Issue Advanced Glasses, Composites and Ceramics for High Growth Industries)
Wood-derived porous graphitic biocarbons with hierarchical structures were obtained by high-temperature (2200–2400 °C) non-catalytic graphitization, and their mechanical, electrical and thermal properties are reported for the first time. Compared to amorphous biocarbon produced at 1000 °C, the graphitized biocarbon-2200 °C and biocarbon-2400 °C exhibited increased compressive strength by ~38% (~36 MPa), increased electrical conductivity by ~8 fold (~29 S/cm), and increased thermal conductivity by ~5 fold (~9.5 W/(m·K) at 25 °C). The increase of duration time at 2200 °C contributed to increased thermal conductivity by ~12%, while the increase of temperature from 2200 to 2400 °C did not change their thermal conductivity, indicating that 2200 °C is sufficient for non-catalytic graphitization of wood-derived biocarbon. View Full-Text
Keywords: graphitization; wood-derived biocarbon; thermal conductivity graphitization; wood-derived biocarbon; thermal conductivity
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MDPI and ACS Style

Yu, M.; Saunders, T.; Su, T.; Gucci, F.; Reece, M.J. Effect of Heat Treatment on the Properties of Wood-Derived Biocarbon Structures. Materials 2018, 11, 1588.

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