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Hydro-thermal carbonisation (HTC) is a method to convert biomorphic materials such as wood to carbon, with the advantage of enhancing their specific surface area to an extent greater than that by pyrolysis. In this study, wood samples underwent HTC at 250 °C, followed by a heat treatment at 600, 800 or 1000 °C. The cell walls of the HTC processed samples showed a structure made of alternating porous...