Analysis of biochar with different pyrolysis temperatures used as filler in epoxy resin composites

Giorcelli, Mauro; Savi, Patrizia; Khan, Abdul Wasay; Tagliaferro, Alberto

doi:10.1016/j.biombioe.2019.01.007

Cited by 68 publications

(39 citation statements)

References 17 publications

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“…A measurement setup previously validated in [22,23,25] for DC powders' characterization was used, which is similar to the setup adopted in [26][27][28][29][30][31][32][33][34]. As shown in Figure 1, the instrument is comprised of two solid copper cylinders, 30 mm in diameter and 5 cm in length, and encapsulated in a hollow Plexiglas cylinder with a nominal inner diameter of 30 mm in the case of powders' electrical characterization.…”

Section: Methodsmentioning

confidence: 99%

“…In the field of composites (see, e.g., [18][19][20]), sludge derived biochar has been used for the production of concrete- [18] and poly(ethylene)-based composites [21] to enhance the polymer hosts' mechanical and thermal properties. The electrical properties of biochar derived from vegetation were reported in [22][23][24]. Accordingly, in this study, we report the electrical and morphological characterization of sludge derived biochar.…”

Section: Introductionmentioning

confidence: 91%

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Electrical and Microwave Characterization of Thermal Annealed Sewage Sludge Derived Biochar Composites

et al. 2020

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Ever-increasing proportions of sewage sludge are being generated due to increases in population and urbanization. As a result, the disposal of sewage sludge for use as manure and for other agricultural applications is not sufficient. The use of biochar derived from sewage sludge as a substitute to other carbon fillers was analyzed by performing electrical and morphological characterization. The electrical and microwave characterization of composites filled with sludge biochar was performed. Thermal annealing of biochar makes it conductive and suitable for a variety of electrical and microwave applications. Composite samples of a thickness of 4 mm with 20 wt.% of sludge biochar provided a shielding effectiveness value of almost 10 dB.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 91%

Electrical and Microwave Characterization of Thermal Annealed Sewage Sludge Derived Biochar Composites

et al. 2020

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“…High thermal annealed biochar could represent a solid choice for the production of conductive epoxy composites. Giorcelli et al [64] described that highly graphitic biochar induced better performances during DC electrical conductivity measurements. Temperature treatment and related graphitization processes lead to an improved ability of these materials to shield microwave radiation with similar outputs with respect to multiwalled CNTs [65] even under thin-film shape [66].…”

Section: Fillersmentioning

confidence: 99%

Towards Traditional Carbon Fillers: Biochar-Based Reinforced Plastic

Bartoli¹,

Giorcelli²,

Jagdale³

et al. 2021

Fillers

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The global market of carbon-reinforced plastic represents one of the largest economic platforms. This sector is dominated by carbon black (CB) produced from traditional oil industry. Recently, high technological fillers such as carbon fibres or nanostructured carbon (i.e. carbon nanotubes, graphene, graphene oxide) fillers have tried to exploit their potential but without economic success. So, in this chapter we are going to analyse the use of an unconventional carbon filler called biochar. Biochar is the solid residue of pyrolysis and can be a solid and sustainable replacement for traditional and expensive fillers. In this chapter, we will provide overview of the last advancement in the use of biochar as filler for the production of reinforced plastics.

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“…High temperature-treated biochar could be a solid choice for the production of conductive epoxy composites. Giorcelli et al [303] reported that more graphitized biochar showed a strong DC electrical conductivity. This affected the ability of these materials to shield the microwave radiation with a comparable performance to multiwalled carbon nanotubes [304], even as thin films [305].…”

Section: Biochar-containing Reinforced Plasticsmentioning

confidence: 99%

A Review of Non-Soil Biochar Applications

et al. 2020

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Biochar is the solid residue that is recovered after the thermal cracking of biomasses in an oxygen-free atmosphere. Biochar has been used for many years as a soil amendment and in general soil applications. Nonetheless, biochar is far more than a mere soil amendment. In this review, we report all the non-soil applications of biochar including environmental remediation, energy storage, composites, and catalyst production. We provide a general overview of the recent uses of biochar in material science, thus presenting this cheap and waste-derived material as a high value-added and carbonaceous source.

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Analysis of biochar with different pyrolysis temperatures used as filler in epoxy resin composites

Cited by 68 publications

References 17 publications

Electrical and Microwave Characterization of Thermal Annealed Sewage Sludge Derived Biochar Composites

Electrical and Microwave Characterization of Thermal Annealed Sewage Sludge Derived Biochar Composites

Towards Traditional Carbon Fillers: Biochar-Based Reinforced Plastic

A Review of Non-Soil Biochar Applications

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