Browsing by Author "Okonkwo, Paul C."
Now showing items 1-7 of 7
-
Anticorrosion Properties of Robust and UV-Durable Poly(vinylidene fluoride-co-hexafluoropropylene)/Carbon Nanotubes Superhydrophobic Coating
Radwan, A. Bahgat; Ibrahim, Magdy A.; Ismail, Eman H.; El Basiony, Nasser M.; El-Hout, Soliman I.; Zughaier, Susu M.; Hassiba, Maryam; Hassan, Mohammad K.; Okonkwo, Paul C.; Al-Qahtani, Noora; Abdullah, Aboubakr M.... more authors ... less authors ( American Chemical Society (ACS) , 2024 , Article)Aluminum is vulnerable to corrosion, biofouling, and durability reduction as a result of forming unwanted deposits during their interactions with liquids. In this work, a high-corrosion-resistance superhydrophobic coating ... -
Economic evaluation of hybrid electrical systems for rural electrification: A case study of a rural community in Nigeria
Okonkwo, Paul C.; Barhoumi, El Manaa; Emori, Wilfred; Shammas, Mahaad Issa; Uzoma, Paul C.; Amer Mohamed, Adel Mohamed; Abdullah, Aboubakr M.... more authors ... less authors ( Taylor and Francis Ltd. , 2022 , Article)Diesel generators have long been in use in rural communities in Nigeria despite the impact of emissions caused by these generators on the environment. Due to the high cost and fluctuation in the diesel price and the need ... -
Electrospun highly corrosion-resistant polystyrene–nickel oxide superhydrophobic nanocomposite coating
Bahgat Radwan, A.; Mannah, Cheirva A.; Sliem, Mostafa H.; Al-Qahtani, Noora Hamad S.; Okonkwo, Paul C.; Berdimurodov, Elyor; Mohamed, Adel M.; Abdullah, Aboubakr M.... more authors ... less authors ( Springer Science and Business Media B.V. , 2021 , Article)A key challenge in producing superhydrophobic coatings (SHC) is to tailor the surface morphology on the micro-nanometer scale. In this work, a feasible and straightforward route was employed to manufacture polystyrene/nickel ... -
Platinum degradation mechanisms in proton exchange membrane fuel cell (PEMFC) system: A review
Okonkwo, Paul C.; Ige, Oladeji O.; Barhoumi, El Manaa; Uzoma, Paul C.; Emori, Wilfred; Benamor, Abdelbaki; Abdullah, Aboubakr M.... more authors ... less authors ( Elsevier Ltd , 2021 , Article Review)Proton Exchange Membrane Fuel Cells (PEMFCs) have the perspective to intensely decrease global emission through environmentally-friendly potential. This review paper summarizes the degradation of platinum catalyst layer ... -
A review of bipolar plates materials and graphene coating degradation mechanism in proton exchange membrane fuel cell
Okonkwo, Paul C.; Emori, Wilfred; Uzoma, Paul C.; Mansir, Ibrahim B.; Radwan, Ahmed Bahgat; Ige, Oladeji O.; Abdullah, Aboubakr M.... more authors ... less authors ( John Wiley and Sons Ltd , 2022 , Article Review)Proton exchange membrane fuel cells (PEMFCs) have the perception to strongly reduce global emissions through an environmentally friendly perspective. Graphene has drawn global attention and has positioned itself as a ... -
Study of In Vitro Biodegradation Behavior of Mg–2.5Zn–xES Composite
Murugan, Srinivasan; Okonkwo, Paul C.; Bahgat, Ahmed; Parande, Gururaj; Abdullah, Aboubakr M.; Gupta, Manoj... more authors ... less authors ( Springer , 2020 , Conference Paper)In this study, zinc (Zn) and eggshell (ES) reinforced biodegradable magnesium alloy (Mg–2.5Zn) and environment concise (eco) composite (Mg–2.5Zn–xES) was fabricated using disintegrated melt deposition (DMD) technique. In ... -
Theoretical and experimental insights into the C-steel aqueous corrosion inhibition at elevated temperatures in 1.0M HCl via multi-carbonyl Gemini cationic surfactants
El-Basiony, Nasser M.; Sliem, Mostafa H.; Abd-Elaal, Ali A.; Abdullah, Aboubakr M.; Al-Qahtani, Noora H.; Zaki, Elsayed G.; Okonkwo, Paul C.; Elyan, Salah S.; Shaban, Samy M.... more authors ... less authors ( De Gruyter (O) , 2023 , Article)Despite corrosion being an inevitable process, researchers strive to control corrosion. In this study, our goal was to prepare two amido Gemini cationic surfactants, LAPG and MAPG, each with different alkyl chains and ...