Structure-oriented conversions of plastics to carbon nanomaterials
Open accessAbstract
The accumulation of waste plastics has caused serious environmental issues due to their unbiodegradable nature and hazardous additives. Converting waste plastics to different carbon nanomaterials (CNMs) is a promising approach to minimize plastic pollution and realize advanced manufacturing of CNMs. The reported plastic-derived carbons include carbon filaments (i.e. carbon nanotubes and carbon nanofibers), graphene, carbon nanosheets, carbon sphere, and porous carbon. In this review, we present the influences of different intrinsic structures of plastics on the pyrolysis intermediates. We also reveal that non-charring plastics are prone to being pyrolyzed into light hydrocarbons while charring plastics are prone to being pyrolyzed into aromatics. Subsequently, light hydrocarbons favor to form graphite while aromatics are inclined to form amorphous carbon during the carbon formation process. In addition, the conversion tendency of different plastics into various morphologies of carbon is concluded. We also discuss other impact factors during the transformation process, including catalysts, temperature, processing duration and templates, and reveal how to obtain different morphological CNMs from plastics. Finally, current technology limitations and perspectives are presented to provide future research directions in effective plastic conversion and advanced CNM synthesis.
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Compared to Cu, Ni's low carbon source solubility has stronger chemical adsorption on graphene and is easier to form graphene.
“Compared to Cu, Ni's low carbon source solubility has a stronger chemical adsorption on graphene and is easier to form graphene (Ren et al. 2022).”
From Conversion of waste plastics into value-added carbon materials (2023) · cites this paper as Ren et al. 2022
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References 128 · Cited by 98
Research works printed but not linked: 1
- Orbaek White A Hedayati A Yick T Gangoli VS Niu Y Lethbridge S Tsampanakis I Swan G Pointeaux L Crane A Charles R Sallah-Conteh J Anderson AO Davies ML Palmer RE Synthesis of carbon nanotubes via liquid injection chemical vapour deposition as a vector for the chemical recycling of waste composite carbon sources Nanomaterials 2022 12 9 10.20944/preprints202111.0483.v1 · DOI
- Authors
- Ren, S., Xu, X., Hu, K., Tian, W., Duan, X., Yi, J., & Wang, S.
- Affiliations
- The University of Adelaide (AU)
- University of Newcastle Australia (AU)
- Corresponding author
- Hu, Kunsheng
- Wang, Shaobin
- Venue
- Carbon Research
- Published
- 2022-08-02
- Volume
- 1
- Issue
- 1
- ISSN
- 2731-6696 (ISSN-L)
- PMC
- PMC9344452
- OpenAlex
- W4289522784
- Cited by
- 98
- References
- 128
- Citations by year
- 2026: 16 · 2025: 37 · 2024: 18 · 2023: 23 · 2022: 4
- FWCI
- 5.95
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Locations
- Carbon Research (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- Adelaide Research & Scholarship (AR&S) (University of Adelaide) (submittedVersion, cc-by)
- Figshare (submittedVersion, cc-by)
- NOVA (University of Newcastle Australia) (submittedVersion, cc-by)
- Funders
- Australian Research Council (DP200103206; LP200201079 and DE220101074)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Thermochemical Biomass Conversion Processes
- Physical Sciences › Materials Science › Materials Chemistry › Carbon Nanotubes in Composites
- Physical Sciences › Materials Science › Materials Chemistry › Graphene research and applications
- Keywords
- plastic waste, carbon nanomaterials, pyrolysis, carbon nanotubes, carbon nanofibers, graphene, carbon nanosheets, porous carbon, light hydrocarbons, aromatic compounds, graphitization, amorphous carbon, catalysts, templates, plastic pollution
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