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Browsing Research Articles (Physics) by UP Author "Oyedotun, Kabir Oyeniran"

Now showing items 1-20 of 38

A bibliometric analysis of pre- and post-Stockholm Convention research publications on the dirty dozen chemicals (DDCs) in the African environment

Olisah, Chijioke; Adeola, Adedapo Oluwasanu; Iwuozor, Kingsley O.; Akpomie, Kovo G.; Conradie, Jeanet; Adegoke, Kayode Adesina; Oyedotun, Kabir Oyeniran; Ighalo, Joshua O.; Amaku, James F. (Elsevier, 2022-12)

Persistent organic pollutants (POPs) are toxic chemicals that stay in the environment for a long time. To address the toxicity issues, global nations, including 53 African countries, ratified the Stockholm Convention to ...
Bullet-like microstructured nickel ammonium phosphate/graphene foam composite as positive electrode for asymmetric supercapacitors

Mahmoud, Badr Ahmed Mohammed; Mirghni, Abdulmajid Abdallah; Fasakin, Oladepo; Oyedotun, Kabir Oyeniran; Manyala, Ncholu I. (Royal Society of Chemistry, 2020-04)

Unique microstructured nickel ammonium phosphate Ni(NH4)2(PO3)4$4H2O and Ni(NH4)2(PO3)4$4H2O/GF composite were successfully synthesized through the hydrothermal method with different graphene foam (GF) mass loading of ...
Characterization of sugarcane leaf-biomass and investigation of its efficiency in removing Nickel(II), Chromium(III) and Cobalt(II) ions from polluted water

Adigun, Oludoyin Adeseun; Oninla, Vincent Olukayode; Adesola Babarinde, N.A.; Oyedotun, Kabir Oyeniran; Manyala, Ncholu I. (Elsevier, 2020-09)

Please read abstract in the article.
Comparison of ionic liquid electrolyte to aqueous electrolytes on carbon nanofibres supercapacitor electrode derived from oxygen-functionalized graphene

Oyedotun, Kabir Oyeniran; Masikhwa, T.M. (Tshifhiwa); Lindberg, Simon; Matic, Aleksandar; Johansson, Patrik; Manyala, Ncholu I. (Elsevier, 2019-11)

A facial force-driven reflux technique was used to develop fibre-like carbon material from freeze-dried reduced graphene oxide (RGO) firstly prepared by using a modified Hummers method. The carbon nanofibres displayed a ...
Deciphering the structural, textural, and electrochemical properties of activated BN-doped spherical carbons

Mutuma, B.K. (Bridget); Boitumelo J. Matsoso; Momodu, Damilola Y.; Oyedotun, Kabir Oyeniran; Coville, Neil J.; Manyala, Ncholu I. (MDPI Publishing, 2019-03-16)

In this study, the effect of K2CO3 activation on the structural, textural, and electrochemical properties of carbon spheres (CSs) and boron and nitrogen co-doped carbon spheres (BN-CSs) was evaluated. Activation of the ...
Effect of growth time on solvothermal synthesis of vanadium dioxide for electrochemical supercapacitor application

Ndiaye, Ndeye Maty; Masikhwa, T.M. (Tshifhiwa); Ngom, B.D.; Madito, M.J. (Moshawe); Oyedotun, Kabir Oyeniran; Dangbegnon, Julien K.; Manyala, Ncholu I. (Elsevier, 2018-08)

In this work, we report the time-dependent morphological evolution of the as-prepared vanadium dioxide (VO2) and its electrochemical performance for supercapacitor applications. VO2 with different morphologies (microspheres ...
Effect of growth-time on electrochemical performance of birnessite manganese oxide (δ-MnO2) as electrodes for supercapacitors : an insight into neutral aqueous electrolytes

Oyedotun, Kabir Oyeniran; Mirghni, Abdulmajid Abdallah; Fasakin, Oladepo; Tarimo, Delvina Japhet; Mahmoud, Badr Ahmed Mohammed; Manyala, Ncholu I. (Elsevier, 2021-04)

Please read abstract in the article.
Electrical double-layer capacitor based on low aqueous electrolyte contents in Emim-TFO ionic liquid

Kitenge, Vianney Ngoyi; Tarimo, Delvina Japhet; Oyedotun, Kabir Oyeniran; Rutavi, Gift; Bakhoum, Daba T.; Manyala, Ncholu I. (Wiley-Hindawi, 2023-04)

Please read abstract in the article.
Electrochemical analysis of Co3(PO4)2·4H2O/graphene foam composite for enhanced capacity and long cycle life hybrid asymmetric capacitors

Mirghni, Abdulmajid Abdallah; Momodu, Damilola Y.; Oyedotun, Kabir Oyeniran; Dangbegnon, Julien K.; Manyala, Ncholu I. (Elsevier, 2018-09)

In this paper, we explore the successful hydrothermal approach to make Co3(PO4)2·4H2O/GF micro-flakes composite material. The unique sheet-like structure of the graphene foam (GF) significantly improved the conductivity ...
Electrochemical analysis of Na-Ni bimetallic phosphate electrodes for supercapacitor applications

Mirghni, Abdulmajid Abdallah; Oyedotun, Kabir Oyeniran; Olaniyan, Okikiola; Mahmoud, Badr Ahmed Mohammed; Sylla, Ndeye Fatou; Manyala, Ncholu I. (Royal Society of Chemistry, 2019-08-12)

Please read abstract in the article.
Electrochemical performance of two-dimensional Ti3C2-Mn3O4 nanocomposites and carbonized iron cations for hybrid supercapacitor electrodes

Oyedotun, Kabir Oyeniran; Momodu, Damilola Y.; Naguib, Michael; Mirghni, Abdulmajid Abdallah; Masikhwa, T.M. (Tshifhiwa); Khaleed, Abubakar A.; Kebede, Mesfin; Manyala, Ncholu I. (Elsevier, 2019-04)

Please read abstract in the article.
Electrochemical properties of asymmetric supercapacitor based on optimized carbon-based nickel-cobalt-manganese ternary hydroxide and sulphur-doped carbonized iron-polyaniline electrodes

Oyedotun, Kabir Oyeniran; Masikhwa, T.M. (Tshifhiwa); Mirghni, Abdulmajid Abdallah; Mutuma, B.K. (Bridget); Manyala, Ncholu I. (Elsevier, 2020-02)

Please read abstract in the article.
Enhanced electrochemical performance of supercapattery derived from sulphur-reduced graphene oxide/cobalt oxide composite and activated carbon from peanut shells

Tarimo, Delvina Japhet; Oyedotun, Kabir Oyeniran; Mirghni, Abdulmajid Abdallah; Mutuma, B.K. (Bridget); Sylla, Ndeye Fatou; Murovhi, Phathutshedzo; Manyala, Ncholu I. (Elsevier, 2020-11)

Please read abstract in the article.
Enhanced electrochemical response of activated carbon nanostructures from tree-bark biomass waste in polymer-gel active electrolytes

Momodu, Damilola Y.; Bello, Abdulhakeem; Oyedotun, Kabir Oyeniran; Ochai-Ejeh, F.O. (Faith); Dangbegnon, Julien K.; Madito, M.J. (Moshawe); Manyala, Ncholu I. (Royal Society of Chemistry, 2017-07-26)

Activated carbon (ACB) obtained from tree bark waste biomass was obtained by adopting an optimized activation and carbonization route using potassium hydroxide (KOH) pellets. The morphological and structural characteristics ...
Examination of high porosity activated carbon obtained from dehydration of white sugar for electrochemical capacitor applications

Oyedotun, Kabir Oyeniran; Barzegar, Farshad; Mirghni, Abdulmajid Abdallah; Khaleed, Abubakar A.; Masikhwa, T.M. (Tshifhiwa); Manyala, Ncholu I. (American Chemical Society, 2019-01)

In this research study, we have presented a simple two-step synthesis path to producing a cost-effective, high-porosity carbon material via acidic dehydration of white sugar. The electrochemical behavior of the activated ...
Exploring the stability and electronic structure of beryllium and sulphur co-doped graphene : a first principles study

Olaniyan, Okikiola; Mapasha, Refilwe Edwin; Momodu, Damilola Y.; Madito, M.J. (Moshawe); Kahleed, A.A.; Ugbo, F.U.; Bello, Abdulhakeem; Barzegar, Farshad; Oyedotun, Kabir Oyeniran; Manyala, Ncholu I. (Royal Society of Chemistry, 2016-09)

First principles density functional theory (DFT) calculations have been performed to explore the stability, structural and electronic properties of Be and S codoped graphene sheets. The band-gap of graphene has been tuned ...
Fabrication and characterization of clay-polyethylene composite opted for shielding of ionizing radiation

Olukotun, S.F.; Gbenu, S.T.; Oyedotun, Kabir Oyeniran; Fasakin, Oladepo; Akindoyin, G.O.; Shittu, H.O.; Fasasi, M.K.; Khandaker, Mayeen Uddin; Osman, Hamid; Elesawy, Basem H.; Sayyed, M.I. (MDPI, 2021-09-03)

This study fabricated and characterized a self-sustaining hydrogenous content claypolyethylene composite opted for ionizing radiation shielding. Composites designated A–G were fabricated each containing 0–30 wt% of ...
Facile and sustainable technique to produce low-cost high surface area mangosteen shell activated carbon for supercapacitors applications

Kitenge, Vianney Ngoyi; Tarimo, Delvina Japhet; Oyedotun, Kabir Oyeniran; Rutavi, Gift; Manyala, Ncholu I. (Elsevier, 2022-12)

Please read abstract in the article.
Graphene foam–based electrochemical capacitors

Oyedotun, Kabir Oyeniran; Manyala, Ncholu I. (Elsevier, 2020-06)

Electrochemical capacitors (ECs) are a promising technology for energy storage, and future development of sustainable electrode materials is critical to developing these devices. The recent progress and earnest motivation ...
Green and scalable synthesis of 3D porous carbons microstructures as electrode materials for high rate capability supercapacitors

Bello, Abdulhakeem; Dangbegnon, Julien K.; Momodu, Damilola Y.; Ochai-Ejeh, F.O. (Faith); Oyedotun, Kabir Oyeniran; Manyala, Ncholu I. (Royal Society of Chemistry, 2018)

Porous carbon nanostructures have long been studied because of their importance in many natural phenomena and their use in numerous applications. A more recent development is the ability to produce porous carbon materials ...

Now showing items 1-20 of 38

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Browsing Research Articles (Physics) by UP Author "Oyedotun, Kabir Oyeniran"

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