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Evaluation of in-plane architecture in a thermo-electrochemical cell with nanostructured and porous Sb:SnO2 electrodes
dc.contributor.author | Castro Ruiz, Sergio | |
dc.contributor.author | García-Cañadas, Jorge | |
dc.date.accessioned | 2024-06-12T12:04:39Z | |
dc.date.available | 2024-06-12T12:04:39Z | |
dc.date.issued | 2024-05-11 | |
dc.identifier.citation | CASTRO-RUIZ, S.; GARCÍA-CAÑADAS, J. Evaluation of in-plane architecture in a thermo-electrochemical cell with nanostructured and porous Sb: SnO2 electrodes. Electrochemistry Communications, 2024, p. 107750. | ca_CA |
dc.identifier.uri | http://hdl.handle.net/10234/207801 | |
dc.description.abstract | Thermo-electrochemical cells (TECs) are able to convert heat into electricity. They are formed by two electrodes (typically Pt) separated by a redox electrolyte (usually 0.4 M aqueous ferro/ferricyanide). The widely adopted architecture of TECs consists of the two electrodes separated by an electrolyte channel. To our knowledge, no studies have been reported exploring a different architecture. Here, we evaluate an alternative configuration, which comprises a substrate with the two electrodes at its ends and with the electrolyte added on the top contacting both electrodes, forming a planar configuration. We explore first the use of the standard Pt electrodes deposited on top of a conductive glass substrate. Then, we replace the Pt by nanostructured and porous Sb-doped SnO2. The planar configurations are compared with their corresponding typical architectures using the common ferro/ferricyanide electrolyte. It was found that the planar TEC with Sb:SnO2 reached a temperature coefficient of 1.76 mV/K, higher than the value obtained in the standard configuration with Sb:SnO2 (1.21 mV/K), and also higher than the planar architecture with Pt electrodes, which showed the typical value for the ferro/ferricyanide electrolyte (1.45 mV/K). As a consequence of this significantly larger value, a 29.7 % higher maximum power output than the planar TEC with Pt was observed. Our study identifies for the first time interesting new features when a planar architecture is employed, opening the door to explore in more detail this alternative configuration in TECs. | ca_CA |
dc.format.extent | 5 p. | ca_CA |
dc.format.mimetype | application/pdf | ca_CA |
dc.language.iso | eng | ca_CA |
dc.publisher | Elsevier | ca_CA |
dc.relation | UncorrelaTEd project | ca_CA |
dc.rights | © 2024 The Author(s). Published by Elsevier B.V. | ca_CA |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | ca_CA |
dc.subject | thermocell | ca_CA |
dc.subject | thermogalvanic cell | ca_CA |
dc.subject | impedance spectroscopy | ca_CA |
dc.subject | seebeck coefficient | ca_CA |
dc.subject | metal oxide | ca_CA |
dc.title | Evaluation of in-plane architecture in a thermo-electrochemical cell with nanostructured and porous Sb:SnO2 electrodes | ca_CA |
dc.type | info:eu-repo/semantics/article | ca_CA |
dc.identifier.doi | https://doi.org/10.1016/j.elecom.2024.107750 | |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | ca_CA |
dc.type.version | info:eu-repo/semantics/publishedVersion | ca_CA |
project.funder.name | European Union's Horizon 2020 | ca_CA |
oaire.awardNumber | 863222 | ca_CA |
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