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21 p, 895.8 KB |
Ultrathin hierarchical porous carbon nanosheets for high-performance supercapacitors and redox electrolyte energy storage
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Jayaramulu, Kolleboyina (Technical University of Munich. Department of Chemistry) ;
Dubal, Deepak P. (Institut Català de Nanociència i Nanotecnologia) ;
Nagar, Bhawna (Institut Català de Nanociència i Nanotecnologia) ;
Ranc, Vaclav (Palacky University Olomouc. Faculty of Science) ;
Tomanec, Ondrej (Palacky University Olomouc. Faculty of Science) ;
Petr, Martin (Palacky University Olomouc. Faculty of Science) ;
Datta, Kasibhatta Kumara Ramanatha (Palacky University Olomouc. Faculty of Science) ;
Zboril, Radek (Palacky University Olomouc. Faculty of Science) ;
Gómez-Romero, Pedro 1959- (Institut Català de Nanociència i Nanotecnologia) ;
Fischer, Roland A. (Technical University of Munich. Department of Chemistry)
The design of advanced high-energy-density supercapacitors requires the design of unique materials that combine hierarchical nanoporous structures with high surface area to facilitate ion transport and excellent electrolyte permeability. [...]
2018 - 10.1002/adma.201705789
Advanced materials, Vol. 30, issue 15 (April 2018) , art. 1705789
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15 p, 4.9 MB |
Rational design of MXene/activated carbon/polyoxometalate triple hybrid electrodes with enhanced capacitance for organic-electrolyte supercapacitors
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Zhu, Jun-Jie (Institut Català de Nanociència i Nanotecnologia) ;
Hemesh, Avireddy (Institut de Recerca en Energia de Catalunya) ;
Jacas Biendicho, Jordi (Institut de Recerca en Energia de Catalunya) ;
Martinez-Soria, Luis (Institut Català de Nanociència i Nanotecnologia) ;
Rueda García, Daniel (Institut Català de Nanociència i Nanotecnologia) ;
Morante, Joan Ramon (Universitat de Barcelona. Facultat de Física) ;
Ballesteros, Belén (Institut Català de Nanociència i Nanotecnologia) ;
Gómez-Romero, Pedro 1959- (Institut Català de Nanociència i Nanotecnologia)
We report a triple hybrid electrode (MXene/activated carbon (AC)/polyoxometalates (POMs)) combining the merits of three materials: MXene (high volumetric capacitance), AC (high gravimetric capacitance) and Phosphotungstate (fast redox). [...]
2022 - 10.1016/j.jcis.2022.04.170
Journal of colloid and interface science, Vol. 623 (Oct. 2022) , p. 947-961
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14 p, 3.1 MB |
Sustainable and printable nanocellulose-based ionogels as gel polymer electrolytes for supercapacitors
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González-Gil, Rosa Maria (Institut Català de Nanociència i Nanotecnologia) ;
Borràs, Mateu (Arkyne Technologies SL (Bioo)) ;
Chbani, Aiman (Leitat Technological Center (Terrassa)) ;
Abitbol, Tiffany (RISE Research Institutes of Sweden) ;
Fall, Andreas (RISE Research Institutes of Sweden) ;
Aulin, Christian (Holmen Iggesund) ;
Aucher, Christophe (Leitat Technological Center (Terrassa)) ;
Martínez-Crespiera, Sandra (Leitat Technological Center (Terrassa))
A new gel polymer electrolyte (GPE) based supercapacitor with an ionic conductivity up to 0. 32-0. 94 mS cm has been synthesized from a mixture of an ionic liquid (IL) with nanocellulose (NC). The new NC-ionogel was prepared by combining the IL 1-ethyl-3-methylimidazolium dimethyl phosphate (EMIMP) with carboxymethylated cellulose nanofibers (CNFc) at different ratios (CNFc ratio from 1 to 4). [...]
2022 - 10.3390/nano12020273
Nanomaterials, Vol. 12, issue 2 (Jan. 2022) , art. 273
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36 p, 2.1 MB |
Growth of polypyrrole nanostructures through reactive templates for energy storage applications
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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
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44 p, 6.2 MB |
Ultrahigh energy density supercapacitors through a double hybrid strategy
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Dubal, Deepak P. (Institut Català de Nanociència i Nanotecnologia) ;
Nagar, Bhawna (Institut Català de Nanociència i Nanotecnologia) ;
Suárez Guevara, Jullieth Gabriela (Institut Català de Nanociència i Nanotecnologia) ;
Tonti, Dino (Institut de Ciència de Materials de Barcelona) ;
Enciso, Eduardo (Universidad Complutense de Madrid. Departamento de Química Física) ;
Palomino, Pablo (Universidad Complutense de Madrid. Departamento de Química Física) ;
Gómez-Romero, Pedro 1959- (Institut Català de Nanociència i Nanotecnologia)
Herein, we are presenting all-solid-state symmetric supercapacitors (ASSSCs) with an innovative double hybrid strategy, where a hybrid material based on reduced graphene oxide (rGO) anchored with phoshotungstic acid, rGO-HPWO) is combined with hybrid electrolyte (hydroquinone-doped gel electrolyte). [...]
2017 - 10.1016/j.mtener.2017.05.001
Materials today energy, Vol. 5 (September 2017) , p. 58-65
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30 p, 2.1 MB |
Functionalization of Polypyrrole Nanopipes with Redox-Active Polyoxometalates for High Energy Density Supercapacitors
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Dubal, Deepak P. (Institut Català de Nanociència i Nanotecnologia) ;
Ballesteros, Belén (Institut Català de Nanociència i Nanotecnologia) ;
Mohite, Ashwini A. (Institut Català de Nanociència i Nanotecnologia) ;
Gómez-Romero, Pedro 1959- (Institut Català de Nanociència i Nanotecnologia)
Hybrid materials are very attractive for the fabrication of high-performance supercapacitors. Here, we have explored organic-inorganic hybrid materials based on open-end porous 1 D polypyrrole nanopipes (PPy-NPipes) and heteropolyoxometalates (phosphotungstate ([PWO], PW) or phosphomolybdate ([PMoO], PMo)) that display excellent areal capacitances. [...]
2017 - 10.1002/cssc.201601610
ChemSusChem, Vol. 10, Issue 4 (February 2017) , p. 731-737
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18 p, 872.4 KB |
Design and Fabrication of Printed Paper-Based Hybrid Micro-Supercapacitor by using Graphene and Redox-Active Electrolyte
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Nagar, Bhawna (Institut Català de Nanociència i Nanotecnologia) ;
Dubal, Deepak P. (Institut Català de Nanociència i Nanotecnologia) ;
Baptista Pires, Luis Miguel (Institut Català de Nanociència i Nanotecnologia) ;
Merkoçi, Arben (Institut Català de Nanociència i Nanotecnologia) ;
Gómez-Romero, Pedro 1959- (Institut Català de Nanociència i Nanotecnologia)
Inspired by future needs of flexible, simple, and low-cost energy storage devices, smart graphene-based micro-supercapacitors on conventional Xerox paper substrates were developed. The use of redox-active species (iodine redox couple) was explored to further improve the paper device's performance. [...]
2018 - 10.1002/cssc.201800426
ChemSusChem, Vol. 11, Issue 11 (June 2018) , p. 1849-1856
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