Resultats globals: 20 registres trobats en 0.02 segons.
Articles, 14 registres trobats
Documents de recerca, 6 registres trobats
Articles 14 registres trobats  1 - 10següent  anar al registre:
1.
Energy harvesting from neutralization reactions with saline feedback / Lima, Gilberto (Universidade de São Paulo. Departamento de Química) ; Dubal, Deepak P. (Institut Català de Nanociència i Nanotecnologia) ; Rueda García, Daniel (Institut Català de Nanociència i Nanotecnologia) ; Gómez Romero, Pedro (Institut Català de Nanociència i Nanotecnologia) ; Huguenin, Fritz (Universidade de São Paulo. Departamento de Química)
This work proposes an acid-base machine consisting of insertion electrodes for protons and alkaline metal ions placed in electrolytic solutions with different pH values and alkaline ion concentrations to harvest energy from a neutralization reaction. [...]
2018 - 10.1016/j.electacta.2018.04.075
Electrochimica Acta, Vol. 275 (June 2018) , p. 145-154  
2.
10 p, 2.2 MB 3D hierarchical assembly of ultrathin MnO₂ nanoflakes on silicon nanowires for high performance micro-supercapacitors in Li-doped ionic liquid / Dubal, Deepak P. (Institut Català de Nanociència i Nanotecnologia) ; Aradilla, David (Université Grenoble Alpes. Institute Nanosciences et Cryogénie) ; Bidan, Gérard (Université Grenoble Alpes. Institute Nanosciences et Cryogénie) ; Gentile, Pascal (Université Grenoble Alpes. Institute Nanosciences et Cryogénie) ; Schubert, Thomas J.S. (IOLITEC Ionic Liquids Technologies GmbH) ; Wimberg, Jan (IOLITEC Ionic Liquids Technologies GmbH) ; Sadki, Saïd (Université Grenoble Alpes. Institute Nanosciences et Cryogénie) ; Gómez Romero, Pedro (Institut Català de Nanociència i Nanotecnologia)
Building of hierarchical core-shell hetero-structures is currently the subject of intensive research in the electrochemical field owing to its potential for making improved electrodes for high-performance micro-supercapacitors. [...]
2015 - 10.1038/srep09771
Scientific reports, Vol. 5 (May 2015) , art. 9771  
3.
10 p, 3.0 MB Development of hybrid materials based on sponge supported reduced graphene oxide and transition metal hydroxides for hybrid energy storage devices / Dubal, Deepak P. (Institut Català de Nanociència i Nanotecnologia) ; Holze, Rudolf (Technische Universität Chemnitz. Institut für Chemie) ; Gómez Romero, Pedro (Institut Català de Nanociència i Nanotecnologia)
Earnest efforts have been taken to design hybrid energy storage devices using hybrid electrodes based on capacitive (rGO) and pseudocapacitive (Ni(OH)₂ and Co(OH)₂) materials deposited on the skeleton of 3D macroporous (indicate sponge material) sponge support. [...]
2014 - 10.1038/srep07349
Scientific reports, Vol. 4 (December 2014) , art. 7349  
4.
7 p, 743.4 KB SiNWs-based electrochemical double layer micro-supercapacitors with wide voltage window (4V) and long cycling stability using a protic ionic liquid electrolyte / Aradilla, David (Université Grenoble Alpes) ; Gentile, Pascal (Université Grenoble Alpes) ; Ruiz, Vanesa (Institut Català de Nanociència i Nanotecnologia) ; Gómez Romero, Pedro (Institut Català de Nanociència i Nanotecnologia) ; Wimberg, Jan (IOLITEC Ionic Liquids Technologies GmbH) ; Iliev, Boyan (IOLITEC Ionic Liquids Technologies GmbH) ; Schubert, Thomas J.S. (IOLITEC Ionic Liquids Technologies GmbH) ; Sadki, Saïd (Université Grenoble Alpes) ; Bidan, Gérard (INAC)
The present work reports the use and application of a novel protic ionic liquid (triethylammonium bis(tri fluoromethylsulfonyl)imide; NEtH TFSI) as an electrolyte for symmetric planar micro-supercapacitors based on silicon nanowire electrodes. [...]
2015 - 10.1088/2043-6262/6/1/015004
Advances in Natural Sciences: Nanoscience and Nanotechnology, Vol. 6, Núm. 1 (March 2015) , art. 15004  
5.
13 p, 2.4 MB Low-cost flexible supercapacitors with high-energy density based on nanostructured MnO₂ and Fe₂O₃ thin films directly fabricated onto stainless steel / Gund, Girish S. (Institut Català de Nanociència i Nanotecnologia) ; Dubal, Deepak P. (Institut Català de Nanociència i Nanotecnologia) ; Chodankar, Nilesh R. (Shivaji University. Department of Physics) ; Cho, Jun Y. (Seoul National University. Department of Materials Science and Engineering) ; Gómez Romero, Pedro (Institut Català de Nanociència i Nanotecnologia) ; Park, Chan (Seoul National University. Department of Materials Science and Engineering) ; Lokhande, Chandrakant D. (Shivaji University. Department of Physics)
The facile and economical electrochemical and successive ionic layer adsorption and reaction (SILAR) methods have been employed in order to prepare manganese oxide (MnO₂) and iron oxide (Fe₂O₃) thin films, respectively with the fine optimized nanostructures on highly flexible stainless steel sheet. [...]
2015 - 10.1038/srep12454
Scientific reports, Vol. 5 (July 2015) , art. 12454  
6.
12 p, 1.9 MB Modification of the raman spectra in graphene-based nanofluids and its correlation with thermal properties / Rodríguez Laguna, María del Rocío (Institut Català de Nanociència i Nanotecnologia) ; Gómez Romero, Pedro (Institut Català de Nanociència i Nanotecnologia) ; Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia) ; Chávez Ángel, Emigdio (Institut Català de Nanociència i Nanotecnologia)
It is well known that by dispersing nanoparticles in a fluid, the thermal conductivity of the resulting nanofluid tends to increase with the concentration of nanoparticles. However, it is not clear what the mechanism behind this phenomenon is. [...]
2019 - 10.3390/nano9050804
Nanomaterials, Vol. 9, Issue 5 (May 2019) , art. 804  
7.
24 p, 1.1 MB Fully printed one-step biosensing device using graphene/AuNPs composite / Nagar, Bhawna (Institut Català de Nanociència i Nanotecnologia) ; Balsells, Marc (Institut Català de Nanociència i Nanotecnologia) ; De la Escosura Muñiz, Alfredo (Institut Català de Nanociència i Nanotecnologia) ; Gómez Romero, Pedro (Institut Català de Nanociència i Nanotecnologia) ; Merkoçi, Arben (Institut Català de Nanociència i Nanotecnologia)
Driven by the growing need of simple, cost efficient and flexible sensing systems, we have designed here a fully printed Reduced Graphene Oxide (rGO) based impedimetric sensor for one step sensing of DNA. [...]
2019 - 10.1016/j.bios.2018.09.073
Biosensors and bioelectronics, Vol. 129 (March 2019) , p. 238-244  
8.
7 p, 1.2 MB Capacitive vs Faradaic Energy Storage in a Hybrid Cell with LiFePO4/RGO Positive Electrode and Nanocarbon Negative Electrode / Cabán Huertas, Zahilia (Institut Català de Nanociència i Nanotecnologia) ; Dubal, Deepak P. (Institut Català de Nanociència i Nanotecnologia) ; Ayyad, Omar (Al-Quds University. Department of Materials Engineering) ; Gómez Romero, Pedro (Institut Català de Nanociència i Nanotecnologia)
We report an advanced device based on a Nitrogen-doped Carbon Nanopipes (N-CNP) negative electrode and a lithium iron phosphate (LiFePO) positive electrode. We carefully balanced the cell composition (charge balance) and suppressed the initial irreversible capacity of the anode in the round of few cycles. [...]
2017 - 10.1149/2.0211701jes
Journal of the Electrochemical Society, Vol. 164, Issue 1 (2017) , p. A6140-A6146  
9.
9 p, 1.7 MB Aqueous synthesis of LiFePO4 with Fractal Granularity / Cabán Huertas, Zahilia (Institut Català de Nanociència i Nanotecnologia) ; Ayyad, Omar (Institut Català de Nanociència i Nanotecnologia) ; Dubal, Deepak P. (Institut Català de Nanociència i Nanotecnologia) ; Gómez Romero, Pedro (Institut Català de Nanociència i Nanotecnologia)
Lithium iron phosphate (LiFePO) electrodes with fractal granularity are reported. They were made from a starting material prepared in water by a low cost, easy and environmentally friendly hydrothermal method, thus avoiding the use of organic solvents. [...]
2016 - 10.1038/srep27024
Scientific reports, Vol. 6 (June 2016) , art. 27024  
10.
6 p, 2.6 MB Electroactive graphene nanofluids for fast energy storage / Dubal, Deepak P. (Institut Català de Nanociència i Nanotecnologia) ; Gómez Romero, Pedro (Institut Català de Nanociència i Nanotecnologia)
Graphenes have been extensively studied as electrode materials for energy storage in supercapacitors and batteries, but always as solid electrodes. The conception and development of graphene electroactive nanofluids (ENFs) reported here for the first time provides a novel way to 'form' graphene electrodes and demonstrates proof of concept for the use of these liquid electrodes for energy storage in novel flow cells. [...]
2016 - 10.1088/2053-1583/3/3/031004
2D Materials, Vol. 3, Núm. 3 (September 2016) , art. 31004  

Articles : 14 registres trobats   1 - 10següent  anar al registre:
Documents de recerca 6 registres trobats  
1.
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, autor. ; Gómez Romero, Pedro, 1959- supervisor acadèmic. ; Sotomayor Torres, Clivia M, supervisor acadèmic. ; Chávez Ángel, Emigdio, supervisor acadèmic. ; Ros i Badosa, Josep, supervisor acadèmic. ; 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.
Printed Graphene for energy storage and sensing applications. / Nagar, Bhawna, autor. ; Gómez Romero, Pedro, 1959- supervisor acadèmic. ; Merkoçi, Arben, supervisor acadèmic. ; Valle Zafra, Manuel del, supervisor acadèmic. ; Universitat Autònoma de Barcelona. Institut Català de Nanociència i Nanotecnologia.
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 documents
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, 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 documents
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, dir. (Institut de Ciència de Materials de Barcelona)
Vegeu akcgresum1de1. pdf.
Bellaterra : Universitat Autònoma de Barcelona, 2004
4 documents
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, 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 documents

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