Results 151 to 160 of about 31,626 (207)
Conductivity enhancement in raw polypyrrole and polypyrrole nanoparticle dispersions
Polymers for Advanced Technologies, 2006 AbstractFor certain commercial applications of polypyrrole (PPy), an enhancement of the electrical conductivity of the material is the key to industrial success. In this paper it will be shown that raw PPy with high conductivity (>150 S/cm) can be obtained in very good yield (>90%) by appropriate selection of both bi‐functional additives and ...
José‐Adolfo Pomposo +5 more
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Super-condensateurs polypyrrole/polypyrrole
Journal de Chimie Physique, 1995Dans le cadre d'un projet Brite-Euram (Proposition 3286-Contrat BREU 0048), des supercondensateurs ont ete montes en utilisant des electrodes a base de polypyrrole (PPY). Le PPY avait ete synthetise chez SOLVAY, Possedait une capacite electrochimique superieure a 100 Ah.kg -1 et une conductivite dans le domaine 40-50 S.cm -1 .
X Andrieu, L Josset, JF Fauvarque
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Photoactive Nanostructures of Polypyrrole
ChemPhysChem, 2009AbstractThe creation of nanostructures of the photoactive polymer polypyrrole (PPy) on glass substrates with the spin‐coating method is described. No additional post‐production treatment is necessary to obtain uniformly distributed photoactive nanostructures on macroscopically scaled substrates.
Ruderer, M. A. +2 more
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Photopolymerized Polypyrrole Microvessels
Chemistry – A European Journal, 2011Abstract We report on the preparation of water‐filled polymer microvessels through the photopolymerization of pyrrole in a water/chloroform emulsion. The resulting structures were characterized by complementary spectroscopic and microscopic techniques, including Raman spectroscopy, XPS, SEM, and TEM.
Kijewska, Krystyna +10 more
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Properties of Polypyrrole‐Electrolyte‐Polypyrrole Cells
Journal of The Electrochemical Society, 1986The charging and discharging characteristics of polypyrrole-electrolyte-polypyrrole cells were studied. It was found that secondary batteries could be formed in this way with rather large coulombic efficiencies, but poor charge-retention properties.
A. Mohammadi, O. Inganäs, I. Lundström
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Chemical Papers, 2020
Flow-through polypyrrole (PPY) nanoarrays are well tailored into nanopore, nanotube-in-nanopore and nanorod-in-nanopore structures to act as free-standing supercapacitor electrodes through anodization, electro-polymerization deposition and chemical corrosion processes.
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Flow-through polypyrrole (PPY) nanoarrays are well tailored into nanopore, nanotube-in-nanopore and nanorod-in-nanopore structures to act as free-standing supercapacitor electrodes through anodization, electro-polymerization deposition and chemical corrosion processes.
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Inverted Emulsion Pathway to Polypyrrole and Polypyrrole Elastomer Composites *
Synthetic Metals, 1994Abstract A new method is proposed for the preparation of polypyrrole and polypyrrole-elastomer composites. An inverted emulsion of water containing the oxidant (FeCl 3 ) in a solution (toluene, or a mixture of toluene and isooctane) of the host polymer (styrene-butadiene-styrene (SBS) triblock copolymer), or free of the host polymer, was first ...
Eli Ruckenstein, Liang Hong
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