Mirghni, Abdulmajid A.Shuaibu, Abubakar DahiruHardianto, Yuda PrimaAL-Qwairi, Fatima OmarHussain, ArshadShah, Syed ShaheenManyala, Ncholu I.Aziz, Md. Abdul2025-08-122025-03Mirghni, A.A., Shuaibu, A.D., Hardianto, Y.P. et al. 2025, 'Designing coin-cell supercapacitors: combining graphene foam with metal oxide composite electrodes for improved energy storage performance', FlatChem, vol. 50, art. 100829, pp. 1-14, doi : 10.1016/j.flatc.2025.100829.2452-2627 (online)10.1016/j.flatc.2025.100829http://hdl.handle.net/2263/103873DATA AVAILABILITY : Data will be made available on request.Please read abstract in the article.en© 2025 Elsevier B.V. All rights are reserved, including those for text and data mining, AI training, and similar technologies.Notice : this is the author’s version of a work that was accepted for publication in FlatChem. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. A definitive version was subsequently published in FlatChem, vol. , no. , pp., 2025, doi : [12 months embargo]SupercapacitorGraphene foamJute carbonSodium cobalt oxideHybrid deviceEnergy storagePostprint Article