On the use of guanidine hydrochloride soft template in the synthesis of Na2/3Ni1/3Mn2/3O2 cathodes for sodium-ion batteries

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dc.contributor.authorAragon, M.J.
dc.contributor.authorOrtiz, G.F.
dc.contributor.authorLavela, P.
dc.contributor.authorTirado, J.L.
dc.contributor.authorOliveira, J.D.C.
dc.contributor.authorMotta, Fabiana Villela da
dc.contributor.authorDelmonte, Fabiana Villela da
dc.date.accessioned2021-12-13T15:31:20Z
dc.date.available2021-12-13T15:31:20Z
dc.date.issued2019
dc.description.resumoSeveral P2-Na2/3Ni1/3Mn2/3O2 layered oxides have been prepared by a modified synthesis procedure using guanidine hydrochloride as a soft template. X-ray diffraction patterns will reveal a decrease of both crystallite size and strain for guanidine hydrochloride treated samples, favoring sodium accessibility at the electrode/electrolyte interface. Also, guanidine hydrochloride promotes anisotropic particles for intermediate amounts. This specific morphology may contribute to a partial suppression of the P2-O2 phase transition. Galvanostatic tests at different rates and potential windows will evidence better capacity retention and low charge-discharge hysteresis for NaNMO-2% in close relationship with the low internal resistance values at the electrode-electrolyte interphase and apparent diffusion coefficients determined by impedance spectroscopy. A performing full sodium-ion cell will demonstrate the reliability of this material as an electrode for Na-ion cells.pt_BR
dc.identifier.citationARAGƓN, M. J.; ORTIZ, G. F.; LAVELA, P.; TIRADO, J. L.; OLIVEIRA, J. D. C.; MOTTA, Fabiana Villela da; DELMONTE, Fabiana Villela da. On the use of guanidine hydrochloride soft template in the synthesis of Na2/3Ni1/3Mn2/3O2 cathodes for sodium-ion batteries. Journal Of Alloys And Compounds, [S.l.], v. 789, p. 1035-1045, jun. 2019. Elsevier BV. Disponƭvel em: https://www.sciencedirect.com/science/article/abs/pii/S0925838819309004?via%3Dihub. Acesso em: 02 Set. 2021. DOI: http://dx.doi.org/10.1016/j.jallcom.2019.03.093pt_BR
dc.identifier.doihttp://dx.doi.org/10.1016/j.jallcom.2019.03.093
dc.identifier.issn0925-8388
dc.identifier.urihttps://repositorio.ufrn.br/handle/123456789/45336
dc.languageenpt_BR
dc.publisherElsevierpt_BR
dc.rightsAttribution 3.0 Brazil*
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/br/*
dc.subjectSodium-ion batteriespt_BR
dc.subjectCathodept_BR
dc.subjectLayered oxidespt_BR
dc.titleOn the use of guanidine hydrochloride soft template in the synthesis of Na2/3Ni1/3Mn2/3O2 cathodes for sodium-ion batteriespt_BR
dc.typearticlept_BR

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