Dual-functionality of NiSe2-CoSe2 nanowires for electrochemical charge storage and efficient thermal energy conversion

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dc.contributor.authorPalanisamy, Rupa Ranjanien
dc.contributor.authorPadmanathan, N.en
dc.contributor.authorAshokan, Anjalien
dc.contributor.authorTanwar, Amiten
dc.contributor.authorBiswas, Subhajiten
dc.contributor.authorHolmes, Justin D.en
dc.contributor.authorRazeeb, Kafil M.en
dc.contributor.funderHorizon 2020en
dc.contributor.funderTaighde Éireannen
dc.date.accessioned2025-04-24T15:49:52Z
dc.date.available2025-04-24T15:49:52Z
dc.date.issued2025en
dc.description.abstractThermo-electrochemical cell coupled with an electrochemical energy storage device creates a comprehensive harvesting system that can convert thermal energy into electrical energy and store it. Thus, the development of electrodes that demonstrate high efficiencies in electrochemical and thermoelectric properties is crucial, as they serve as the fundamental components in energy conversion and storage systems. This study presents the synthesis of NiSe2-CoSe2 (NCS) nanowires on activated carbon cloth (ACC) substrate, for enhanced electrochemical charge storage and ionic-thermoelectric applications. Comparative analysis demonstrates that NCS/ACC electrodes significantly outperform monometallic selenides in both electrochemical performance and thermoelectric applications. The NCS/ACC electrode revealed a maximum charge storage capacity of 112 mA hg−1 at a current density of 1 A g−1. Utilizing 1 M NaOH as an aqueous electrolyte, the NCS/ACC system showcases its pioneering role in thermo-electrochemical cell (TEC), opening avenues for efficient heat-to-electricity conversion. The NCS/ACC-based TEC delivered a Seebeck coefficient of −3.4 mV K−1 and thermal charge storage of −1.02 J. These findings reveal the dual functionality of nickel cobalt selenides, offering promising solutions for thermal energy harvesting and storage in electrochemical systems. en
dc.description.sponsorshipHorizon 2020 (96425 TRANSLATE)en
dc.description.sponsorshipTaighde Éireann (12/RC/2276)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid116568en
dc.identifier.citationPalanisamy, R. R., Padmanathan, N., Ashokan, A., Tanwar, A., Biswas, S., Holmes, J. D. and Razeeb, K. M. (2025) 'Dual-functionality of NiSe2-CoSe2 nanowires for electrochemical charge storage and efficient thermal energy conversion', Journal of Energy Storage, 121, p.116568. DOI: 10.1016/j.est.2025.116568en
dc.identifier.doi10.1016/j.est.2025.116568en
dc.identifier.issn2352152Xen
dc.identifier.journaltitleJournal of Energy Storageen
dc.identifier.urihttps://hdl.handle.net/10468/17323
dc.identifier.volume121
dc.language.isoenen
dc.publisherElsevier Ltden
dc.relation.project96425en
dc.relation.project12/RC/2276en
dc.rights© 2025, the Author(s). . Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/)en
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectElectrode fabricationen
dc.subjectEnergy storageen
dc.subjectNiSe<sub>2</sub>-CoSe<sub>2</sub> nanowiresen
dc.subjectThermal energy harvestingen
dc.subjectThermo-electrochemical cellen
dc.titleDual-functionality of NiSe2-CoSe2 nanowires for electrochemical charge storage and efficient thermal energy conversionen
dc.typeArticle (peer reviewed)en
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