Crystallinity tuning of LCNO/graphene nanocomposite cathode for high-performance lithium-ion batteries

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dc.authoridJubu, Rex/0000-0002-5249-1273
dc.authoridChahrour, Khaled M. N./0000-0002-8799-3468
dc.authoridAddie, Ali/0000-0001-8622-5443
dc.contributor.authorHaider, Adawiya J.
dc.contributor.authorChahrour, Khaled M.
dc.contributor.authorAddie, Ali J.
dc.contributor.authorAbdullah, Ahmed Q.
dc.contributor.authorJubu, Peverga R.
dc.contributor.authorAL-Saedi, Safaa I.
dc.contributor.authorNaje, Asama N.
dc.date.accessioned2024-09-29T16:00:27Z
dc.date.available2024-09-29T16:00:27Z
dc.date.issued2024
dc.departmentKarabük Üniversitesien_US
dc.description.abstractIn this work, a graphene-enhanced LiCo0.525Ni0.475O2 (LCNOG) cathode was synthesized by self-propagating high-temperature synthesis and the effects of annealing at 650-850 degrees C were investigated. Sharper X-ray diffraction peaks showed enhanced crystallization with an increase in average crystallite size from 28 nm to 56 nm after annealing at 850 degrees C. LCNOG annealed at 850 degrees C delivered a high capacity of over 2030 J compared to 1280 J, with a near ideal coulombic efficiency of 99.5 % and long cycle stability. The acceleration of kinetics is evidenced by more favorable redox peak positions in voltammetry and a 5-fold lower interfacial resistance in electrochemical impedance spectroscopy. The improved performance is due to the larger grain size, higher crystallinity, increased conductivity and graphene-induced diffusion facilitation. The relationship between crystallinity and cathodic properties provides critical insight into cathode design. The exceptional performance achieved by tailoring crystallinity through annealing makes LCNOG a potential material for high-voltage cathodes for lithium-ion technology.en_US
dc.identifier.doi10.1016/j.mseb.2023.117116
dc.identifier.issn0921-5107
dc.identifier.issn1873-4944
dc.identifier.scopus2-s2.0-85180789053en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttps://doi.org/10.1016/j.mseb.2023.117116
dc.identifier.urihttps://hdl.handle.net/20.500.14619/5155
dc.identifier.volume300en_US
dc.identifier.wosWOS:001144493500001en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofMaterials Science and Engineering B-Advanced Functional Solid-State Materialsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectGrapheneen_US
dc.subjectLithium -ion batteriesen_US
dc.subjectCathode materialsen_US
dc.subjectElectrochemical performanceen_US
dc.titleCrystallinity tuning of LCNO/graphene nanocomposite cathode for high-performance lithium-ion batteriesen_US
dc.typeArticleen_US

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