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Fabrication of hydrophobic, electrically conductive and flame-resistant carbon aerogels by pyrolysis of regenerated cellulose aerogels
Abstract
In this paper, we reported miscellaneous carbon aerogels prepared by pyrolysis of regenerated cellulose aerogels that were fabricated by dissolution in a mild NaOH/PEG solution, freeze-thaw treatment, regeneration, and freeze drying. The as-prepared carbon aerogels were subsequently characterized by scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), nitrogen adsorption measurements, X-ray diffraction (XRD), Raman spectroscopy, and water contact angle (WCA) tests. The results showed that the carbon aerogels with pore diameters of 1-60 nm maintained interconnected three-dimensional (3D) network after the pyrolysis, and showed type-IV adsorption isotherm. The pyrolysis process leaded to the decomposition of oxygen-containing functional groups, the destruction of cellulose crystalline structure, and the formation of highly disordered amorphous graphite. Moreover, the carbon aerogels also had strong hydrophobicity, electrical conductivity and flame retardance, which held great potential in the fields of waterproof, electronic devices and fireproofing.
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Such morphology changes are a logical consequence of the chemical conversion accompanied by mass loss, as already reported for freeze-dried cellulose- and chitosan-based materials.
“Such morphology changes are a logical consequence of the chemical conversion accompanied by mass loss and have already been reported; for example, for freeze-dried cellulose and chitosan-based materials).[45,65]”
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Research works printed but not linked: 14
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Cited by
Sorted by citations
Alsuhile, A., Pein, P. S., Barım, Ş. B., Bozbağ, S. E., Smirnova, I., Erkey, C., & Schroeter, B. (2025) · Advanced Energy and Sustainability Research · doi:10.1002/aesr.202400433 · Cited by 8
Metadata
- Authors
- Wan, C., Lu, Y., Jiao, Y., Jin, C., Sun, Q., & Li, J.
- Affiliations
- Northeast Forestry University (CN)
- Chinese Academy of Forestry (CN)
- Zhejiang A & F University (CN)
- Corresponding author
- Lu, Yun
- Sun, Qingfeng
- Li, Jian
- Venue
- Carbohydrate Polymers
- Publisher
- Elsevier BV
- Published
- 2015-03
- Volume
- 118
- Pages
- 115-118
- ISSN
- 0144-8617 (ISSN-L)
- OpenAlex
- W1971348382
- Cited by
- 73
- References
- 0
- Citations by year
- 2026: 1 · 2025: 5 · 2024: 5 · 2023: 8 · 2022: 9 · 2021: 5 · 2020: 9 · 2019: 4 · 2018: 11 · 2017: 3 · 2016: 9 · 2015: 4
- FWCI
- 2.28
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Carbohydrate Polymers (publishedVersion)
- PubMed (publishedVersion)
- Funders
- China Postdoctoral Science Foundation (2013M540263)
- National Natural Science Foundation of China (31270590)
- Doctoral Candidate Innovation Research Support Program of Science & Technology Review (kjdb2012006)
- Topics
- Physical Sciences › Materials Science › Materials Chemistry › Aerogels and thermal insulation
- Physical Sciences › Materials Science › Biomaterials › Advanced Cellulose Research Studies
- Physical Sciences › Energy › Fuel Technology › Thermochemical Biomass Conversion Processes
- Keywords
- carbon aerogels, pyrolysis, hydrophobicity, electrical conductivity, flame retardancy, freeze-thaw treatment, cellulose crystalline structure, pore size distribution, water contact angle
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