Articles with "percolation" as a keyword



Cellulose Nanofiber‐Supported Electrochemical Percolation of Capacitive Nanomaterials with 0D, 1D, and 2D Structures

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Published in 2024 at "Advanced Materials"

DOI: 10.1002/adma.202414904

Abstract: Cellulose nanofiber (CNF) represents a promising support material to strengthen the mechanical property of free‐standing supercapacitor electrodes comprised of conducting nanomaterials. Although efforts have been focused on improving the performance of the CNF‐supported electrode, the… read more here.

Keywords: dimensionality; electrochemical percolation; percolation; capacitive nanomaterials ... See more keywords

Understanding the Relevance of Percolation on Charge Transport in Random ZnO Nanowire Networks

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Published in 2025 at "Advanced Electronic Materials"

DOI: 10.1002/aelm.202500242

Abstract: Understanding conductivity in nanowire networks and nanoelectronics remains challenging due to arbitrary morphologies and conduction hierarchies that are inherent to current modeling approaches. Here, an innovative percolation method utilizing a time‐efficient shortest‐path algorithm is introduced,… read more here.

Keywords: random zno; conductivity; percolation; nanowire ... See more keywords

Recombination Losses Above and Below the Transport Percolation Threshold in Bulk Heterojunction Organic Solar Cells

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Published in 2018 at "Advanced Energy Materials"

DOI: 10.1002/aenm.201703339

Abstract: Achieving the highest power conversion efficiencies in bulk heterojunction organic solar cells requires a morphology that delivers electron and hole percolation pathways for optimized transport, plus sufficient donor:acceptor contact area for near unity charge transfer… read more here.

Keywords: organic solar; bulk heterojunction; percolation; transport percolation ... See more keywords

Electrical and thermal phenomena in low‐density polyethylene/carbon black composites near the percolation threshold

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Published in 2019 at "Journal of Applied Polymer Science"

DOI: 10.1002/app.47043

Abstract: Low-density polyethylene (LDPE)/carbon black (CB) composites were fabricated via meltcompounding technique. The percolation threshold was found to be around 20 wt% CB, and an electrical network formed by conductive CB was proven by SEM investigation.… read more here.

Keywords: density polyethylene; percolation; low density; carbon black ... See more keywords

Nano carbon powder‐multiwalled carbon nanotubes/poly(vinylidene fluoride) percolating composites with low‐percolation binary functional phases and negative permittivity

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Published in 2025 at "Polymer Composites"

DOI: 10.1002/pc.29533

Abstract: Polymer percolating composites with negative permittivity via the construction of percolating structures are of great interest in electromagnetism. In this study, nano carbon powder‐multiwalled carbon nanotubes/poly(vinylidene fluoride) (CP‐MWCNTs/PVDF) composites comprising binary functional phases CP‐MWCNTs were… read more here.

Keywords: carbon; functional phases; negative permittivity; percolation ... See more keywords

Balancing processability and percolation behavior of ultrahigh aspect ratio carbon nanotubes in polymers through ball milling

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Published in 2025 at "Polymer Composites"

DOI: 10.1002/pc.29813

Abstract: The effects of ball milling on the processability and percolation behavior of ultralong (~100 μm) carbon nanotubes (CNTs) in an amorphous thermoplastic polymer, polycarbonate, were examined. The Burgio–Rojac model was applied to establish the relationship between… read more here.

Keywords: ball milling; percolation behavior; processability percolation; percolation ... See more keywords

Micromechanical Modeling of Electrical Conductivity and Percolation in CNT/Polymer Nanocomposites by Considering Morphology: Homogeneous, Agglomerated, and Segregated Structures

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Published in 2025 at "Polymer Composites"

DOI: 10.1002/pc.70042

Abstract: The morphology of nanocomposite structures is a key factor influencing the electrical properties of carbon nanotube (CNT)/polymer nanocomposites. During the production, the length and curvature of CNTs often lead to agglomeration, which diminishes electrical properties… read more here.

Keywords: polymer nanocomposites; percolation; agglomerated segregated; cnt polymer ... See more keywords

From static alteration to mylonitization: a nano- to micrometric study of chloritization in granitoids with implications for equilibrium and percolation length scales

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Published in 2020 at "Contributions to Mineralogy and Petrology"

DOI: 10.1007/s00410-020-01749-2

Abstract: Strain accommodation in upper crustal rocks is often accompanied by fluid-mediated crystallization of phyllosilicates, which influence rock strength and shear zone formation. The composition of these phyllosilicates is frequently used for pressure–temperature–time constraints of deformation… read more here.

Keywords: static alteration; percolation; late variscan; alteration mylonitization ... See more keywords

Absence of percolation for infinite Poissonian systems of stopped paths

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Published in 2024 at "Probability Theory and Related Fields"

DOI: 10.1007/s00440-025-01453-x

Abstract: The state space of our model is the Euclidean space in dimension d = 2. Simultaneously, from all points of a homogeneous Poisson point process, we let grow independent and identically distributed random continuum paths.… read more here.

Keywords: absence percolation; poissonian systems; time; percolation ... See more keywords

Analysis on nonlinear effect of unsteady percolation in the inhomogeneous shale gas reservoir

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Published in 2019 at "Applied Mathematics and Mechanics"

DOI: 10.1007/s10483-020-2553-5

Abstract: The nonlinear effects of unsteady multi-scale shale gas percolation, such as desorption, slippage, diffusion, pressure-dependent viscosity, and compressibility, are investigated by numerical simulation. A new general mathematical model of the problem is built, in which… read more here.

Keywords: percolation; analysis nonlinear; nonlinear effect; shale ... See more keywords

Compression-induced electrical percolation and enhanced mechanical properties of polydimethylsiloxane-based nanocomposites

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Published in 2020 at "Journal of Materials Science"

DOI: 10.1007/s10853-020-04780-7

Abstract: In this work, a compression-induced percolation threshold was found when the thickness of polydimethylsiloxane (PDMS) nanocomposite samples was reduced via a spatial confining forced network assembly (SCFNA) process from 1.0 mm to 0.1 mm. Such as for… read more here.

Keywords: compression; percolation; mechanical properties; electrical conductivity ... See more keywords