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. 2019 Dec 19;12:9. doi: 10.1007/s40820-019-0343-4

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© The Author(s) 2019

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 5 — Burning tests of a the pure cellulose nanofiber (CNF) aerogel in the flame of an alcohol lamp (~ 500 °C), b the pure CNF aerogel in the flame of a butane blowtorch (~ 1300 °C), c CNF@Al-MIL-53 (CAM) aerogel in the flame of an alcohol lamp, and d CAM aerogel in the flame of a butane blowtorch. e Heat release rate (HRR) curves of the pure CNF and CAM aerogels recorded during the cone calorimetry test. The insets show the residues after the measurements. f TGA analysis curves of the pure CNF and CAM aerogels under air flow. g High-resolution SEM images of CAM aerogel after the combustion experiment in the flame of a butane blowtorch