Resultados globales: 50 registros encontrados en 0.02 segundos.
Artículos, Encontrados 43 registros
Libros y colecciones, Encontrados 1 registros
Documentos de investigación, Encontrados 6 registros
Artículos Encontrados 43 registros  1 - 10siguientefinal  ir al registro:
1.
14 p, 3.6 MB Coherent integration of organic gel polymer electrolyte and ambipolar polyoxometalate hybrid nanocomposite electrode in a compact high-performance supercapacitor / Zhu, Jun-Jie (Institut Català de Nanociència i Nanotecnologia) ; Martinez-Soria, Luis (Institut Català de Nanociència i Nanotecnologia) ; Gómez Romero, Pedro 1959- (Institut Català de Nanociència i Nanotecnologia)
We report a gel polymer electrolyte (GPE) supercapacitor concept with improved pathways for ion transport, thanks to a facile creation of a coherent continuous distribution of the electrolyte throughout the electrode. [...]
2022 - 10.3390/nano12030514
Nanomaterials, Vol. 12, issue 3 (Feb. 2022) , art. 514  
2.
36 p, 2.1 MB Growth of polypyrrole nanostructures through reactive templates for energy storage applications / Dubal, Deepak P. (Institut Català de Nanociència i Nanotecnologia) ; Cabán Huertas, Zahilia (Institut Català de Nanociència i Nanotecnologia) ; Holze, Rudolf (Technische Universität Chemnitz. AG Elektrochemie) ; Gómez Romero, Pedro 1959- (Institut Català de Nanociència i Nanotecnologia)
This work presents a facile reactive template route to prepare polypyrrole (PPy) with a given, chosen nanostructure among three different morphologies (i. e. , nanotubes, nanofibers and urchins). This approach exploits the variability of MnO morphologies and its versatility as sacrificial template. [...]
2016 - 10.1016/j.electacta.2016.01.078
Electrochimica Acta, Vol. 191 (Feb. 2016) , p. 346-354  
3.
31 p, 2.9 MB Hybrid core-shell nanostructured electrodes made of polypyrrole nanotubes coated with Ni(OH)2 nanoflakes for high energy-density supercapacitors / Wolfart, Franciele (Universidade Federal Do Paraná. Departamento de Química) ; Dubal, Deepak P. (Institut Català de Nanociència i Nanotecnologia) ; Vidotti, Marcio (Universidade Federal Do Paraná. Departamento de Química) ; Gómez Romero, Pedro 1959- (Institut Català de Nanociència i Nanotecnologia)
This work describes the design of Ni(OH)@PPy-NTs core-shell nanostructures with potential application as an electrode material for supercapacitors. Initially, one dimensional (1D) polypyrrole nanotubes (PPy-NTs) were synthesized through a chemical oxidation mediated soft template-directed route using as the anion the azo dye methyl orange (MO). [...]
2016 - 10.1039/c5ra23671a
RSC advances, Vol. 6, issue 18 (2016) , p. 15062-15070  
4.
46 p, 2.7 MB Metal-organic framework (MOF) derived electrodes with robust and fast lithium storage for Li-ion hybrid capacitors / Dubal, Deepak P. (Institut Català de Nanociència i Nanotecnologia) ; Jayaramulu, Kolleboyina (Technical University of Munich. Department of Chemistry) ; Sunil, Janaky (Jawaharlal Nehru Centre for Advanced Scientific Research) ; Kment, Štěpán (Palacky University. Regional Centre of Advanced Technologies and Materials) ; Gómez Romero, Pedro 1959- (Institut Català de Nanociència i Nanotecnologia) ; Narayana, Chandrabhas (Jawaharlal Nehru Centre for Advanced Scientific Research) ; Zbořil, Radek (Palacky University. Regional Centre of Advanced Technologies and Materials) ; Fischer, Roland A. (Technical University of Munich. Department of Chemistry)
Hybrid metal-organic frameworks (MOFs) demonstrate great promise as ideal electrode materials for energy-related applications. Herein, a well-organized interleaved composite of graphene-like nanosheets embedded with MnO₂ nanoparticles (MnO₂@C-NS) using a manganese-based MOF and employed as a promising anode material for Li-ion hybrid capacitor (LIHC) is engineered. [...]
2019 - 10.1002/adfm.201900532
Advanced functional materials, Vol. 29, issue 19 (May 2019) , art. 1900532  
5.
23 p, 1.4 MB Sheet-on-sheet like calcium ferrite and graphene nanoplatelets nanocomposite : a multifunctional nanocomposite for high-performance supercapacitor and visible light driven photocatalysis / Israr, Muhammad (Institut Català de Nanociència i Nanotecnologia) ; Iqbal, Javed (Quaid-i-Azam University. Department of Physics) ; Arshad, Aqsa (International Islamic University. Department of Physics) ; Gómez Romero, Pedro 1959- (Institut Català de Nanociència i Nanotecnologia)
Calcium ferrite-graphene nanoplatelets nanocomposites with sheet-on-sheet like morphology are fabricated and investigated for their physicochemical characteristics, electrochemical energy storage capacity and photocatalysis. [...]
2021 - 10.1016/j.jssc.2020.121646
Journal of solid state chemistry, Vol. 293 (Jan. 2021) , art. 121646  
6.
24 p, 1.1 MB Multifunctional MgFe2O4/GNPs nanocomposite : graphene-promoted visible light driven photocatalytic activity and electrochemical performance of MgFe2O4 nanoparticles / Israr, Muhammad (Institut Català de Nanociència i Nanotecnologia) ; Iqbal, Javed (Quaid-i-Azam University. Department of Physics) ; Arshad, Aqsa (International Islamic University. Department of Physics) ; Gómez Romero, Pedro 1959- (Institut Català de Nanociència i Nanotecnologia) ; Benages Vilau, Raúl (Institut Català de Nanociència i Nanotecnologia)
Herein, the electrochemical and photodegradation properties of magnesium ferrite and graphene-nanoplatelets nanocomposites, (MFO)(GNPs), (x = 0. 25, 0. 50, 0. 75) are reported. Benefitting from the effective interfacial interaction of the bi-phase nanocomposite and superior electrical conduction of GNPs, a significant enhancement in supercapacitive performance has been demonstrated. [...]
2020 - 10.1016/j.solidstatesciences.2020.106363
Solid State Sciences, Vol. 110 (Dec. 2020) , art. 106363  
7.
13 p, 4.2 MB Fabrication of 3D binder-free graphene NiO electrode for highly stable supercapattery / Agudosi, Elochukwu Stephen (Universiti Teknologi Malaysia. Department of Chemical Process Engineering) ; Abdullah, Ezzat Chan (Universiti Teknologi Malaysia. Department of Chemical Process Engineering) ; Numan, Arshid (Fudan University. State Key Laboratory of ASIC and System) ; Mubarak, Nabisab Mujawar (Curtin University. Department of Chemical Engineering) ; Aid, Siti Rahmah (Universiti Teknologi Malaysia. Department of Electronic Systems Engineering) ; Benages Vilau, Raúl (Institut Català de Nanociència i Nanotecnologia) ; Gómez Romero, Pedro 1959- (Institut Català de Nanociència i Nanotecnologia) ; Khalid, Mohammad (Sunway University. School of Science and Technology) ; Omar, Nurizan (Universiti Teknologi Malaysia. Department of Chemical Process Engineering)
Electrochemical stability of energy storage devices is one of their major concerns. Polymeric binders are generally used to enhance the stability of the electrode, but the electrochemical performance of the device is compromised due to the poor conductivity of the binders. [...]
2020 - 10.1038/s41598-020-68067-2
Scientific reports (Nature Publishing Group), Vol. 10 (2020) , art. 11214  
8.
33 p, 2.2 MB Can polyoxometalates enhance the capacitance and energy density of activated carbon in organic electrolyte supercapacitors? / Zhu, Jun-Jie (Institut Català de Nanociència i Nanotecnologia) ; Benages Vilau, Raúl (Institut Català de Nanociència i Nanotecnologia) ; Gómez Romero, Pedro 1959- (Institut Català de Nanociència i Nanotecnologia)
Polyoxometalates (POMs) have been shown to work as faradaic additives to activated carbon (AC) in acidic aqueous electrolytes. Yet, their use in organic media allows not only for added capacity but also higher voltage. [...]
2020 - 10.1016/j.electacta.2020.137007
Electrochimica Acta, Vol. 362 (Dec. 2020) , art. 137007  
9.
28 p, 1.7 MB Highly loaded mildly edge-oxidized graphene nanosheet dispersions for large-scale inkjet printing of electrochemical sensors / Nagar, Bhawna (Ecole Polytechnique Fédérale de Lausanne. Laboratory of Physical and Analytical Electrochemistry) ; Jović, Milica (Ecole Polytechnique Fédérale de Lausanne. Laboratory of Physical and Analytical Electrochemistry) ; Bassetto, Víctor Costa (Ecole Polytechnique Fédérale de Lausanne. Laboratory of Physical and Analytical Electrochemistry) ; Zhu, Yingdi (Ecole Polytechnique Fédérale de Lausanne. Laboratory of Physical and Analytical Electrochemistry) ; Pick, Horst (Ecole Polytechnique Fédérale de Lausanne. Institute of Chemical Sciences and Engineering) ; Gómez Romero, Pedro 1959- (Institut Català de Nanociència i Nanotecnologia) ; Merkoçi, Arben (Institut Català de Nanociència i Nanotecnologia) ; Girault, Hubert H. (Ecole Polytechnique Fédérale de Lausanne. Laboratory of Physical and Analytical Electrochemistry) ; Lesch, Andreas (University of Bologna. Department of Industrial Chemistry "Toso Montanari")
Inkjet printing of electrochemical sensors using a highly loaded mildly edge-oxidized graphene nanosheet (EOGN) ink is presented. An ink with 30 mg/mL EOGNs is formulated in a mixture of N-methyl pyrrolidone and propylene glycol with only 30 min of sonication. [...]
2020 - 10.1002/celc.201901697
ChemElectroChem, Vol. 7, issue 2 (Jan. 2020) , p. 460-468  
10.
29 p, 1.2 MB Enhancement of organophosphate degradation by electroactive pyrrole and imidazole copolymers / Hryniewicz, Bruna (Universidade Federal do Paraná. Departamento de Química) ; Wolfart, Franciele (Instituto Federal Farroupilha) ; Gómez Romero, Pedro 1959- (Institut Català de Nanociència i Nanotecnologia) ; Orth, Elisa (Universidade Federal do Paraná. Departamento de Química) ; Vidotti, Marcio (Universidade Federal do Paraná. Departamento de Química)
Many chemical warfare agents and agrochemicals are composed by organophosphates, that present high toxicity and difficult spontaneous degradation. Amongst the different catalysts to degrade these compounds, heterogeneous systems stand out since they provide easy recovery of the catalyst. [...]
2020 - 10.1016/j.electacta.2020.135842
Electrochimica Acta, Vol. 338 (january 2020) , p. 135842  

Artículos : Encontrados 43 registros   1 - 10siguientefinal  ir al registro:
Libros y colecciones Encontrados 1 registros  
1.
4 p, 239.4 KB On the Enhancement of the Thermal Conductivity of Graphene-Based Nanofluids / Rodríguez Laguna, María del Rocío (Institut Català de Nanociència i Nanotecnologia) ; Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia) ; Gómez Romero, Pedro 1959- (Institut Català de Nanociència i Nanotecnologia) ; Chávez Ángel, Emigdio (Institut Català de Nanociència i Nanotecnologia)
Heat transfer fluids have been extensively used in both low-temperature and high temperature applications (e. g. microelectronics cooling and concentrated solar power). However, their low thermal conductivity is still a limit on performance. [...]
Cork : IEEE, 2018 (Proceedings of the IEEE Conference on Nanotechnology) - 10.1109/NANO.2018.8626244
IEEE 18th International Conference on Nanotechnology (IEEE-NANO), 2018, p. 8626244  

Documentos de investigación Encontrados 6 registros  
1.
169 p, 10.2 MB Heat transfer fluids : from fundamental aspects of graphene nanofluids at room temperature to molten salts formulations for solar-thermal conversion / Rodríguez Laguna, María del Rocío ; Gómez Romero, Pedro, 1959-, dir. ; Sotomayor Torres, Clivia M, dir. ; Chávez Ángel, Emigdio, dir. ; Ros i Badosa, Josep, dir. ; Universitat Autònoma de Barcelona. Departament de Química
Los fluidos de transferencia de calor, y en particular los nanofluidos, se pueden considerar un elemento esencial en diversos sectores industriales y su rendimiento es clave para una adecuada aplicación en tecnologías que van desde la gestión térmica y la refrigeración, a la generación de energía solar térmica y eléctrica mediante el uso de intercambiadores de calor. [...]
Heat transfer fluids and nanofluids constitute an important element in the industry and their performance is key to the successful application in technologies that go from heat management and cooling to heat exchangers in thermal-solar energy and electricity generation. [...]

[Barcelona] : Universitat Autònoma de Barcelona, 2019.  
2.
189 p, 17.4 MB Printed Graphene for energy storage and sensing applications / Nagar, Bhawna ; Gómez Romero, Pedro, 1959-, dir. ; Merkoçi, Arben, dir. ; Valle Zafra, Manuel del, dir. ; Institut Català de Nanociència i Nanotecnologia (ICN2)
El objetivo de esta tesis ha sido el diseño y la preparación de electrodos flexibles basados en grafeno utilizando diferentes técnicas de impresión para aplicaciones de almacenamiento de energía, específicamente supercondensadores y sensores electroquímicos. [...]
The focus of this thesis has been the design and preparation of flexible graphene-based electrodesand their printing using different techniques for applications in energy storage, specifically supercapacitors and electrochemical sensing devices. [...]

: , 2019.  
3.
105 p, 5.9 MB Materiales híbridos basados en nanocarbones y polioxometalatos para aplicación como electrodos en supercondensadores con mecanismo dual de almacenamiento de energía / Suárez Guevara, Jullieth Gabriela ; Gómez - Romero, Pedro, dir. ; Ruiz, Vanesa, dir. ; Universitat Autònoma de Barcelona. Departament de Química
Baterías y supercondensadores son dos tipos de dispositivos de almacenamiento de energía con mecanismos y prestaciones complementarios. Las baterías, con mecanismos de reacciones redox faradaicas presentan alta densidad de energía y baja densidad de potencia mientras que el mecanismo electrostático de los supercondensadores (doble capa eléctrica) les confiere una alta densidad de potencia con densidad de energía limitada. [...]
Batteries and supercapacitors are two types of energy storage devices with complementary working mechanisms and performances. Batteries feature a storage mechanism based on faradaic redox reactions and present high energy densities but low power densities. [...]

[Barcelona] : Universitat Autònoma de Barcelona, 2015
3 documentos
4.
87 p, 7.7 MB Cristal·loquímica de perovskites complexes de coure i titani : relació entre síntesi, estructura i propietats superconductores / Palacín i Peiró, M. Rosa ; Gómez Romero, Pedro, 1959-, dir. (Institut de Ciència de Materials de Barcelona)
La tesi constitueix un estudi de diverses perovskites mixtes de coure i titani, entre les quals cal citar La2CuTiO6 (estructura tridimensional amb els ions Cu(II) i Ti (IV) desordenats) i Ln2Ba2Cu2Ti2O11 (estructura laminar amb Cu(II) i Ti(IV) ordenats). [...]
La tesis constituye un estudio de diversas perovsquitas mixtas de cobre y titanio, de entre las cuales cabe destacar La2CuTiO6 (estructura tridimensional que presenta los iones Cu(II) y Ti (IV) desordenados) y Ln2Ba2Cu2Ti2O11 (estructura laminar con Cu(II) y Ti(IV) ordenados). [...]
The thesis is a study of different mixed copper-titanium perovskites, like La2CuTiO6 (three-dimensional structure with Cu (II) and Ti (IV) disordered in the octahedral positions) and Ln2Ba2Cu2Ti2O11 (layered structure with ordering of Cu(II) and Ti(IV)). [...]

Bellaterra : Universitat Autònoma de Barcelona, 2009
4 documentos
5.
68 p, 3.6 MB Organic/inorganic hybrid materials based on conducting organic polymers as electrodes for energy storage devices : tesis doctoral / Cuentas Gallegos, Ana Karina ; Gómez Romero, Pedro, 1959-, dir. (Institut de Ciència de Materials de Barcelona)
Vegeu akcgresum1de1. pdf.
Bellaterra : Universitat Autònoma de Barcelona, 2004
4 documentos
6.
66 p, 561.5 KB Òxids complexes de coure i plata / Tejada Rosales, Eva Mª ; Casañ Pastor, Nieves, dir. (Institut de Ciència de Materials de Barcelona) ; Gómez Romero, Pedro, 1959-, dir. (Institut de Ciència de Materials de Barcelona)
L'origen principal d'aquest treball: els òxids de coure, al seu paper en el món dels superconductors i en particular de les eines que hom fa servir per tal d'intentar dissenyar-ne de nous.
Bellaterra : Universitat Autònoma de Barcelona, 2001
6 documentos

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