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16 p, 1.0 MB |
Metal- and Alloy-Based Core-Shell Particles in Nitrate Senary Salt with Low Thermal Hysteresis for Solar Thermal Energy Storage
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Chen, Kai (National Tsing Hua University. Department of Materials Science and Engineering) ;
Chung, Feng-Ju (National Tsing Hua University. Department of Materials Science and Engineering) ;
Lin, Yen-Ling (National Tsing Hua University. Department of Materials Science and Engineering) ;
Lee, Yen-Ta (National Chiao Tung University. Department of Mechanical Engineering) ;
Rodríguez Laguna, María del Rocío (Institut Català de Nanociència i Nanotecnologia) ;
Manikandan, Arumugam (National Tsing Hua University. Department of Materials Science and Engineering) ;
Lu, Ming-Chang (National Taiwan University. Department of Mechanical Engineering) ;
Chueh, Yu-Lun (National Sun Yat-Sen University. Department of Physics)
In this work, the microencapsulated phase change materials, Sn/amorphous-carbon (Sn/a-C), and SnBi/amorphous carbon (SnBi/a-C) microparticles (MPs) were successfully synthesized. The thermal stabilities of Sn/a-C and SnBi/a-C core-shell MPs were verified by cycling tests, and stable latent heats of 56 and 45. [...]
2022 -  10.1021/acsaem.1c02919
ACS Applied Energy Materials, Vol. 5, Num. 3 (February 2022) , p. 2697-2705
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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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9 p, 5.8 MB |
Controlling the electrochemical hydrogen generation and storage in graphene oxide by in-situ Raman spectroscopy
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Pinilla-Sánchez, Adrián (Institut de Ciències Fotòniques) ;
Chávez Ángel, Emigdio (Institut Català de Nanociència i Nanotecnologia) ;
Murcia López, Sebastián (Institut de Recerca en Energia de Catalunya) ;
Carretero González, Nina Magali (Institut de Recerca en Energia de Catalunya) ;
Palardonio, Sidney M. (Institut de Ciències Fotòniques) ;
Xiao, Peng (Universitat Autònoma de Barcelona. Departament de Física) ;
Rueda García, Daniel (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) ;
Martorell, Jordi (Universitat Politècnica de Catalunya. Departament de Física) ;
Ros, Carles (Institut de Ciències Fotòniques)
Hydrogen, generated from water splitting, is postulated as one of the most promising alternatives to fossil fuels. In this context, direct hydrogen generation by electrolysis and fixation to graphene oxide in an aqueous suspension could overcome storage and distribution problems of gaseous hydrogen. [...]
2022 - 10.1016/j.carbon.2022.08.055
Carbon, Vol. 200 (Nov. 2022) , p. 227-235
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46 p, 2.7 MB |
Metal-organic framework (MOF) derived electrodes with robust and fast lithium storage for Li-ion hybrid capacitors
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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) ;
Zboril, 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
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18 p, 1.6 MB |
Photochromism of dihydroazulene-based polymeric thin films
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Torres-Pierna, Héctor (Institut Català de Nanociència i Nanotecnologia) ;
Roscini, Claudio (Institut Català de Nanociència i Nanotecnologia) ;
Vlasceanu, Alexandru (University of Copenhagen. Department of Chemistry) ;
Broman, Soren L. (University of Copenhagen. Department of Chemistry) ;
Jevric, Martyn (University of Copenhagen. Department of Chemistry) ;
Cacciarini, Martina (University of Firenze. Department of Chemistry) ;
Nielsen, Mogens Brøndsted (University of Firenze. Department of Chemistry)
We report on the preparation of polymeric thin films doped with six dihydroazulene derivatives whose photochromic properties were previously screened in organic solution studies. Spectroscopic investigations into the photochromic behavior of the polymeric matrices have given important insights on the stability and the photophysical properties of the photoswitches impregnated into polymers.
2017 - 10.1016/j.dyepig.2017.06.015
Dyes and pigments, Vol. 145 (October 2017) , p. 359-364
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11 p, 3.2 MB |
From thermal to electroactive graphene nanofluids
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Rueda García, Daniel (Institut Català de Nanociència i Nanotecnologia) ;
Rodríguez Laguna, María del Rocío (Institut Català de Nanociència i Nanotecnologia) ;
Chávez Ángel, Emigdio (Institut Català de Nanociència i Nanotecnologia) ;
Dubal, Deepak P. (Institut Català de Nanociència i Nanotecnologia) ;
Cabán Huertas, Zahilia (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)
Here, we describe selected work on the development and study of nanofluids based on graphene and reduced graphene oxide both in aqueous and organic electrolytes. A thorough study of thermal properties of graphene in amide organic solvents (N,N-dimethylformamide, N,N-dimethylacetamide, and N-methyl-2-pyrrolidone) showed a substantial increase of thermal conductivity and specific heat upon graphene integration in those solvents. [...]
2019 - 10.3390/en12234545
Energies, Vol. 12, Issue 23 (December 2019) , art. 4545
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30 p, 4.3 MB |
In Situ Electrochemical Oxidation of Cu2S into CuO Nanowires as a Durable and Efficient Electrocatalyst for Oxygen Evolution Reaction
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Zuo, Yong (Institut de Recerca en Energia de Catalunya) ;
Liu, Yongpeng (École Polytechnique Fédérale de Lausanne) ;
Li, Junshan (Institut de Recerca en Energia de Catalunya) ;
Du, Ruifeng (Institut de Recerca en Energia de Catalunya) ;
Han, Xu (Institut Català de Nanociència i Nanotecnologia) ;
Zhang, Ting (Institut Català de Nanociència i Nanotecnologia) ;
Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ;
Jiménez Divins, Nuria (Universitat Politècnica de Catalunya. Departament d'Enginyeria Química) ;
Llorca, Jordi (Universitat Politècnica de Catalunya. Departament d'Enginyeria Química) ;
Guijarro, Néstor (École Polytechnique Fédérale de Lausanne) ;
Sivula, Kevin (École Polytechnique Fédérale de Lausanne) ;
Cabot, Andreu (Institut de Recerca en Energia de Catalunya)
Development of cost-effective oxygen evolution catalysts is of capital importance for the deployment of large-scale energy-storage systems based on metal-air batteries and reversible fuel cells. In this direction, a wide range of materials have been explored, especially under more favorable alkaline conditions, and several metal chalcogenides have particularly demonstrated excellent performances. [...]
2019 - 10.1021/acs.chemmater.9b02790
Chemistry of materials, Vol. 31, Issue 18 (September 2019) , p. 7732-7743
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