Ochai-Ejeh, F.O. (Faith)Madito, M.J. (Moshawe)Makgopa, KatlegoRantho, Mologadi NkiyasiOlaniyan, OkikiolaManyala, Ncholu I.2018-11-022018-11Ochai-Ejeh, F., Madito, M.J., Makgopa, K. et al. 2018, 'Electrochemical performance of hybrid supercapacitor device based on birnessite-type manganese oxide decorated on uncapped carbon nanotubes and porous activated carbon nanostructures', Electrochimica Acta, vol. 289, pp. 363-375.0013-4686 (print)1873-3859 (online)10.1016/j.electacta.2018.09.032http://hdl.handle.net/2263/67142Please read abstract in the article.en© 2018 Elsevier Ltd. All rights reserved. Notice : this is the author’s version of a work that was accepted for publication in Electrochimica Acta. 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 Electrochimica Acta, vol. 289, pp. 363-375, 2018. doi : 10.1016/j.electacta.2018.09.032.Birnessite-type MnO2Carbon nanotube (CNT)Activated carbon (AC)Hybrid deviceReflux synthesisNanocompositeElectric dischargesElectrodesElectrolytesLithium compoundsManganese oxideSupercapacitorYarnCarbon nanostructureCharge-discharge cycleElectrochemical performanceEnergy storage applicationsHybrid supercapacitorSulfur compoundsPostprint Article