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Materials 2018, 11(9), 1588;

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

School of Engineering and Material Science, Queen Mary University of London, London E1 4NS, UK
Nanoforce Technology Limited, London E1 4NS, UK
Author to whom correspondence should be addressed.
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)
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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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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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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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