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dc.contributor.authorPramudita, JC-
dc.contributor.authorPontiroli, D-
dc.contributor.authorMagnani, G-
dc.contributor.authorGaboardi, M-
dc.contributor.authorRiccò, M-
dc.contributor.authorMilanese, C-
dc.contributor.authorBrand, HEA-
dc.contributor.authorSharma, N-
dc.identifier.citationPramudita, J. C., Pontiroli, D., Magnani, G., Gaboardi, M., Riccò, M., Milanese, C., Brand, H. E. A. & Sharma, N. (2015). Graphene and selected derivatives as negative electrodes in sodium‐and lithium‐ion batteries. ChemElectroChem, 2(4), 600-610. doi:10.1002/celc.201402352en_US
dc.description.abstractThe performance of graphene, and a few selected derivatives, was investigated as a negative electrode material in sodium- and lithium-ion batteries. Hydrogenated graphene shows significant improvement in battery performance compared with as-prepared graphene, with reversible capacities of 488 mA h g−1 for lithium-ion batteries after 50 cycles and 491 mA h g−1 for sodium-ion batteries after 20 cycles. Notably, high rates of 1 A g−1 for graphene and 5 A g−1 for hydrogenated graphene indicate higher capacities in sodium-ion batteries than in lithium-ion batteries. Alternatively, nickel-nanoparticle-decorated graphene performed relatively poorly in lithium-ion batteries. However, in sodium-ion batteries they showed the highest reversible capacities of all studied batteries and graphene derivatives, with 826 mA h g−1 after 25 cycles with ≈97 % coulombic efficiency. Overall, minor modifications to graphene can dramatically improve electrochemical performance in both lithium-ion and sodium-ion batteries. © 2015 Wiley-VCH Verlag GmbH & Co.en_US
dc.description.sponsorshipAINSE Ltd. Cariplo Foundation. Grant Number: 2013-0592en_US
dc.publisherJohn Wiley & Sons, Incen_US
dc.subjectElectric batteriesen_US
dc.subjectSodium ionsen_US
dc.subjectLithium ionsen_US
dc.subjectLithium ion batteriesen_US
dc.titleGraphene and selected derivatives as negative electrodes in sodium- and lithium-ion batteriesen_US
dc.typeJournal Articleen_US
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