Results 191 to 200 of about 805,268 (254)

Crystallization‐Driven Helical Conjugated Polymer Nanowires for Circularly Polarized Light‐Addressable Ferroelectric Physical Unclonable Functions

Small, EarlyView.
Supramolecular helicity meets ferroelectricity: P3HT‐b‐PMMA helical nanowires enable handedness‐specific modulation of remanent polarization in P(VDF‐TrFE) hybrids. This platform demonstrates the first CPL‐addressable ferroelectric PUF, translating molecular chirality into secure digital authentication.
Jung‐Min Ji, Minju Park, Junyeon Yoon, Jun Ho Hwang, Min Seok Kim, Ji Young Jo, Young Min Song, Eunji Lee   +7 more
wiley   +1 more source

Pristine Poly(3‐hexylthiophene) as an On‐Demand Conductive Binder and Redox Mediator for Carbon‐Additive‐Free, High‐Volumetric‐Energy‐Density, LiFePO4 Cathodes without Calendaring

Small, EarlyView.
Pristine P3HT enables carbon‐additive‐free LiFePO4 cathodes by acting as an on‐demand conductive binder and redox mediator. Electrochemical doping and strong P3HT‐LFP interactions build efficient conductive pathways, stabilize interfaces, and deliver high volumetric energy density without calendaring.
Yonglin Wang, Xin Jin, Zhe Huang, Yuning Li   +3 more
wiley   +1 more source

Depth‐Aware Machine Learning for 3D Reconstruction of Fibrous Porous Electrodes by FIB‐SEM Tomography

Small Methods, EarlyView.
In FIB–SEM tomography of highly porous polymeric electrodes, subsurface fibers visible through open pores are mistaken for in‐plane material, distorting 3D reconstructions. A machine‐learning‐based depth‐aware model trained on everyday photographs, combined with unsupervised clustering, isolates the exposed fiber cross‐sections without labeled data ...
Carlota Bozal‐Ginesta, Claudia Bissattini Alessi, Peng Zeng, Julie Ruellou, Jakub Drnec, Alessandro Senocrate, Corsin Battaglia   +6 more
wiley   +1 more source

A Coupled Electrolyte Design to Reconcile Multielectron Iodine Redox With Zn Anode Reversibility for Durable Aqueous Zinc‐Iodine Batteries

SusMat, EarlyView.
An electrolyte is developed to couple interhalogen chemistry at the iodine cathode with in situ polymerization at the Zn anode. Choline chloride modulates the halogen reaction microenvironment to activate four‐electron iodine redox, while acrylamide undergoes in situ polymerization to form a PAM‐Ch+ composite interphase that stabilizes the Zn anode ...
Xinwei Wang, Sinian Yang, Shunshun Zhao, Ying Wang, Xuanrui Huang, Lili Liu, Shimou Chen   +6 more
wiley   +1 more source

Microporous layers based on poly(vinylidene fluoride) and sulfonated poly(vinylidene fluoride)

International Journal of Hydrogen Energy, 2015
Abstract In this study, electrically conductive microporous layers (MPLs) were prepared through the phase inversion technique by coagulation in a water bath of a mixture of either poly(vinylidene fluoride) or sulfonated poly(vinylidene fluoride) and graphite and carbon black as electrically-conductive fillers (ECFs).
BOTTINO, ALDO, CAPANNELLI, GUSTAVO, COMITE, ANTONIO, COSTA, CAMILLA, Ong, Ai Lien   +4 more
openaire   +2 more sources

Fullerenes Decorated with Poly(vinylidene fluoride)

Macromolecules, 2011
Fullerenes decorated with poly(vinylidene fluoride) (PVDF) were synthesized in a three-step procedure: Iodine transfer polymerization of vinylidene fluoride with C6F12I2 as the chain transfer agent was carried out in supercritical carbon dioxide to synthesize iodine-terminated PVDF, which was subsequently transformed to azide-terminated polymer ...
Vukicevic R., Beuermann S.
openaire   +3 more sources

Conformational studies of poly(vinylidene fluoride), poly(trifluoroethylene) and poly(vinylidene fluoride-co-trifluoroethylene) using density functional theory

Physical Chemistry Chemical Physics, 2014
Different conformations of systems consisting of poly(vinylidene fluoride) (PVDF), poly(trifluoroethylene) (PTrFE) and poly(vinylidene fluoride-co-trifluoroethylene) (P(VDF-TrFE)) were investigated using density functional theory with dispersion correction.
Martin, Bohlén, Kim, Bolton
openaire   +3 more sources

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Poly (vinylidene fluoride)

2021
Very few polymers offer the same fundamental scientific intrigue, real life application usefulness, and overall versatility as Poly (Vinylidene Fluoride) (PVDF). Though PVDF has been extensively studied, as a whole, over the past 50 years, majority of the research has centered on understanding the fascinating piezoelectric effects of PVDF and the polar
Gabriel Rashad Burks, Christopher Y. Li
openaire   +1 more source

Poly(vinylidene fluoride)

2009
Abstract Major Applications Wire and cable insulation, tubing, piping, sheet and melt-cast films for electrical and electronics, binder for high-quality metal finishes for building components used on exterior wall panels, roofing shingles, and on industrial, commercial and residential buildings, binders for lithium-ion battery electrode,
Jerry I Scheinbeim, Qiming Zhang, Shihai Zhang   +2 more
openaire   +2 more sources

Transitions in poly(vinyl fluoride) and poly(vinylidene fluoride)

Journal of Macromolecular Science, Part B, 1978
Abstract The temperature dependence of the argon permeability and diffusion coefficients in poly(vinyl fluoride) and poly(vinylidene fluoride) was determined experimentally. Two transitions were revealed as slope discontinuities in the Arrhenius plots of the transport parameters for argon in poly(vinyl fluoride).
M. Fujii, V. Stannett, H. B. Hopfenberg
openaire   +1 more source