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Realization of 3D epoxy resin/Ti3C2T x MXene aerogel composites for low-voltage electrothermal heating

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Suitable electrothermal materials with high heating rates at low electric power are highly desirable for de-icing and thermal management applications. Herein, 3D epoxy resin/Ti3C2T x MXene composites are synthesised and… Click to show full abstract

Suitable electrothermal materials with high heating rates at low electric power are highly desirable for de-icing and thermal management applications. Herein, 3D epoxy resin/Ti3C2T x MXene composites are synthesised and shown to be promising candidates for electrothermal heaters where the MXene serves as a nanoheater and the epoxy resin spreads the heat. A unidirectional freeze-casting technique was used to prepare an anisotropic Ti3C2T x aerogel into which epoxy resin was then vacuum infiltrated and cured. The resulting composite showed an excellent Joule heating performance over repeated heating–cooling cycles. A steady-state temperature of 123 °C was obtained by applying a low voltage of 2 V with 5.1 A current, giving a total power output of 6.1 W cm−2. Such epoxy/MXene aerogel composites, prepared by a simple and cost-effective manner, offer a potential alternative to the traditional metal-based and nanocarbon-based electrothermal materials.

Keywords: epoxy resin; resin; resin ti3c2t; ti3c2t mxene

Journal Title: 2D Materials
Year Published: 2021

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