dc.contributor.author | Nesterova, Inara | |
dc.contributor.author | Britala, Liga | |
dc.contributor.author | Sarakovskis, Anatolijs | |
dc.contributor.author | Kruze, Beate | |
dc.contributor.author | Bajars, Gunars | |
dc.contributor.author | Kucinskis, Gints | |
dc.date.accessioned | 2024-03-15T16:56:50Z | |
dc.date.available | 2024-03-15T16:56:50Z | |
dc.date.issued | 2023 | |
dc.identifier.issn | 2313-0105 | |
dc.identifier.uri | https://www.mdpi.com/2313-0105/9/8/406 | |
dc.identifier.uri | https://dspace.lu.lv/dspace/handle/7/65496 | |
dc.description | This research was funded by the State Education Development Agency, Republic of Latvia, grant number 1.1.1.2/VIAA/1/16/166, “Advanced Materials for Sodium Ion Batteries”. Institute of Solid-State Physics, University of Latvia as the Centre of Excellence has received funding from the European Union’s Horizon 2020 Framework Program H2020-WIDESPREAD-01-2016-2017-TeamingPhase2 under grant agreement No. 739508, project CAMART2. | en_US |
dc.description.abstract | This study presents a thorough investigation of Na2FeP2O7 (NFP) cathode material for sodium-ion batteries and its composites with carbon and reduced graphene oxide (rGO). Our findings demonstrate that rGO sheets improve cycling performance in NFP/C/rGO composite in the absence of solid electrolyte interphase (SEI)-stabilizing additives. However, once SEI is stabilized with the help of fluoroethylene carbonate electrolyte additive, NFP with carbon additive (NFP/C) exhibits a superior electrochemical performance when compared to NFP/rGO and NFP/C/rGO composites. The decreases in capacity and rate capability are proportional to the amount of rGO added, and lead to an increase in overvoltage and internal resistance. Based on our results, we attribute this effect to worsened sodium kinetics in the bulk of the electrode—the larger ionic radius of Na+ hinders charge transfer in the presence of rGO, despite the likely improved electronic conductivity. These findings provide a compelling explanation for the observed trends in electrochemical performance and suggest that the use of rGO in Na-ion battery electrodes may present challenges associated with ionic transport along and through rGO sheets. --//-- This is an open-access article: Nesterova, I.; Britala, L.; Sarakovskis, A.; Kruze, B.; Bajars, G.; Kucinskis, G. The Impact of Graphene in Na2FeP2O7/C/Reduced Graphene Oxide Composite Cathode for Sodium-Ion Batteries. Batteries 2023, 9, 406. https://doi.org/10.3390/batteries9080406 published under the CC BY 4.0 licence. | en_US |
dc.description.sponsorship | State Education Development Agency, Republic of Latvia, grant number 1.1.1.2/VIAA/1/16/166; Institute of Solid-State Physics, University of Latvia as the Centre of Excellence has received funding from the European Union’s Horizon 2020 Framework Program H2020-WIDESPREAD-01-2016-2017-TeamingPhase2 under grant agreement No. 739508, project CAMART2. | en_US |
dc.language.iso | eng | en_US |
dc.publisher | MDPI | en_US |
dc.relation | info:eu-repo/grantAgreement/EC/H2020/739508/EU/Centre of Advanced Material Research and Technology Transfer/CAMART² | en_US |
dc.relation.ispartofseries | Batteries;9(8), 406 | |
dc.rights | info:eu-repo/semantics/openAccess | en_US |
dc.subject | Research Subject Categories::NATURAL SCIENCES::Physics | en_US |
dc.subject | Na2FeP2O7 | en_US |
dc.subject | Na-ion batteries | en_US |
dc.subject | graphene | en_US |
dc.subject | reduced graphene oxide | en_US |
dc.subject | electrochemistry | en_US |
dc.subject | electron-conducting additives | en_US |
dc.title | The Impact of Graphene in Na2FeP2O7/C/Reduced Graphene Oxide Composite Cathode for Sodium-Ion Batteries | en_US |
dc.type | info:eu-repo/semantics/article | en_US |
dc.identifier.doi | 10.3390/batteries9080406 | |