dc.contributor.author | Arnaiz González, María | |
dc.contributor.author | Botas, Cristina | |
dc.contributor.author | Carriazo, Daniel | |
dc.contributor.author | Mysyk, Roman | |
dc.contributor.author | Mijangos Antón, Federico ![ORCID](/themes/Mirage2//images/orcid_16x16.png) | |
dc.contributor.author | Rojo Aparicio, Teófilo ![ORCID](/themes/Mirage2//images/orcid_16x16.png) | |
dc.contributor.author | Ajuria Arregui, Jon | |
dc.contributor.author | Goikolea Núñez, Eider | |
dc.date.accessioned | 2024-02-08T07:49:43Z | |
dc.date.available | 2024-02-08T07:49:43Z | |
dc.date.issued | 2018-07-25 | |
dc.identifier.citation | Electrochimica Acta 284 : 542-550 (2018) | |
dc.identifier.issn | 0013-4686 | |
dc.identifier.uri | http://hdl.handle.net/10810/64834 | |
dc.description.abstract | The effort to increase the energy density of conventional electric double-layer capacitors (EDLCs) goes through the development of lithium-ion capacitors (LICs). Herein, we report a self-standing, binder-free composite as the battery-type negative electrode obtained by a low-cost and easily scalable method. Tin(IV) oxide nanoparticles (<10 nm) embedded in a reduced graphene oxide matrix (SnO2-rGO) were prepared by an in-situ synthetic approach that involves the freeze/freeze-drying of a graphene oxide suspension in the presence of a tin precursor and its subsequent thermal reduction under argon atmosphere. Physicochemical and electrochemical characterization confirmed the optimum nano-structuration of the composite showing ultrafast response at high current densities. Its coupling with a highly porous olive pits waste-derived activated carbon (AC) as the capacitor-type positive electrode, enables the fabrication of a LIC with an excellent energy density output. The newly designed LIC is able to deliver 60 Wh kg−1 at 2.9 kW kg−1 (tdischarge ≈ 1 min) and still 27 Wh kg−1 at 10.6 kW kg−1 (tdischarge ≈ 10 s). | es_ES |
dc.description.sponsorship | This work was financially supported by the European Union (Graphene Flagship, Core I), the Spanish Ministry of Economy and Competiveness (MINECO/FEDER) [MAT2015-64617-C2-2-R] and Basque Government through the ELKARTEK 2015. M. Arnaiz thanks the Spanish Ministry of Education, Culture and Sport (MECD) for her FPU pre-doctoral fellowship [FPU15/04876]. | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Elsevier | es_ES |
dc.relation | info:eu-repo/grantAgreement/MINECO/MAT2015-64617-C2-2-R | |
dc.rights | info:eu-repo/semantics/openAccess | es_ES |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ | * |
dc.subject | Tin(IV) oxide | es_ES |
dc.subject | reduced graphene oxide | |
dc.subject | activated carbon | |
dc.subject | supercapacitor | |
dc.subject | Lithium-ion capacitor | |
dc.title | Reduced graphene oxide decorated with SnO2 nanoparticles as negative electrode for lithium ion capacitors | es_ES |
dc.type | info:eu-repo/semantics/article | es_ES |
dc.rights.holder | © 2018 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/ | * |
dc.relation.publisherversion | https://www.sciencedirect.com/science/article/pii/S0013468618317079 | |
dc.identifier.doi | 10.1016/j.electacta.2018.07.189 | |
dc.departamentoes | Química inorgánica | es_ES |
dc.departamentoeu | Kimika ez-organikoa | es_ES |
dc.identifier.eissn | 1873-3859 | |