Author:Kebede, Mesfin A; Palaniyandy, Nithyadharseni; Koao, LF; Ezema, FI; Mhlongo, MRDate:Nov 2021Lithium-ion batteries (LIBs) are the most suitable and preferred energy storage system for powering electric vehicles (EVs), plug-in hybrid electric vehicles (PHEVs), and stationary applications owing to their attractive properties including ...Read more
Author:Chinecherem, A; Kebede, Mesfin ADate:Nov 2021The need for increased energy security in the nation has diverted energy sources from conventional forms to the use of fuel cells. Fuel cells are generally accepted for electricity generation due to their increased conversion efficiency, ...Read more
Author:Zheng, Haitao; Mathe, MkhuluDate:Sep 2023Ultrasonic cavitation is a phenomenon that occurs when high-frequency sound waves are introduced into a liquid medium, causing the formation and collapse of small bubbles within the liquid. These bubbles generate high-energy shock waves that ...Read more
Author:Mkhohlakali, A; Fuku, X; Seo, MH; Modibedi, Remegia M; Khotseng, L; Mathe, MDate:Oct 2022An alternative electrosynthesis of PdTe, using the electrochemical atomic layer deposition (E-ALD) method, is reported. The cyclic voltammetry technique was used to analyze Au substrate in copper (Cu2+), and a tellurous (Te4+) solution was ...Read more
Author:Mkhohlakali, Andile; Fuku, Xolle; Modibedi, Remegia M; Khotseng, L; Mathe, MkhuluDate:Apr 2022Herein, we report electro-synthesis of BiTePd using electrochemical atomic layer deposition (E-ALD). The SEM-EDS, AFM, and XRD were used to characterize Pd-based thin films' surface morphology and structure composition. BiTePd electrocatalyst ...Read more
Author:Mkhohlakali, AC; Fuku, X; Modibedi, Remegia M; Khotseng, LE; Mathe, Mkhulu KDate:Jul 2021Electrochemical atomic layer deposition was used to form bimetallic (BiPd, CuPd) and trimetallic (CuBiPd) thin films via surface-confined reactions. Pd thin films were characterized by cyclic voltammetry, scanning electron microscopy (SEM) ...Read more
Author:Phasha, MJ; Bolokang, Amogelang S; Kebede, Mesfin ADate:Feb 2021Density-functional theory (DFT) based first-principles calculations were used to investigate the crystal structure, binding energy, phase stability and elastic properties of body-centered cubic (BCC) W-based binary solid solutions. The effect ...Read more
Author:Geldasa, FT; Kebede, Mesfin A; Shura, MW; Hone, FGDate:Feb 2022Among the existing commercial cathodes, Ni-rich NCM are the most promising candidates for next-generation LIBs because of their high energy density, relatively good rate capability, and reasonable cycling performance. However, the surface ...Read more
Author:Munonde, Tshimangadzo S; Zheng, HaitaoDate:Aug 2021The ultrasonic process has been examined to exfoliate layered materials and upgrade their properties for a variety of applications in different media. Our previous studies have shown that the ultra-sonication treatment in water without chemicals ...Read more
Author:Matseke, Mphoma, S; Zheng, Haitao; Mathe, Mkhulu K; Carleschi, E; Doyle, BDate:Dec 2021Recently, several researchers have found that the manganese ferrite (MnFe2O4) nanoparticle can be a promising candidate for the oxygen reduction reaction (ORR). However, the MnFe2O4 nanoparticles still face challenges on their ORR activity ...Read more
Author:Zheng, Haitao; Shi, Xuan; Jiang, S; Han, X; Wen, LDate:Nov 2023The purpose of the work is to study the thermal behavior of MnO2 (a, ß, ) nanomaterials as well as their performance in oxygen reduction reaction (ORR) before/after thermal treatment. After thermal treatment, oxygen vacancies were introduced ...Read more
Author:Fuku, X; Modibedi, Remegia MDate:Aug 2023BiCu2O Modified Pd/C nanocatalyst was synthesised via an eco-friendly method for fuel cell application. The obtained nanomaterials' structural composition, and electrochemical properties were investigated using chemical and physical techniques ...Read more
Author:Zhou, S; Liu, G; Luo, HongzeDate:Sep 2021The lithium-rich materials xLi2MnO3·(1-x)LiMn1/3Ni1/3Co1/3O2, with uniform spherical shape of 1 µm are successfully prepared via a hydrothermal method combined with calcination process. The content of Li2MnO3 is tuned by adjusting the content ...Read more
Author:Zheng, Haitao; Modibedi, MmalewaneDate:Sep 2023In this study, the thermal electrooxidation of methanol on a Pt/MWCNT catalyst was examined in alkaline media across the temperature range of 298-363 K. The investigation utilized cyclic voltammetry (CV), quasi-state polarization, and ...Read more
Author:Matseke, Mphoma S; Luo, Hongze; Wen, L; Zheng, HaitoDate:Jun 2022NiFe2O4 is one of the most abundant and inexpensive spinels; however, its activity toward the oxygen reduction reaction (ORR) is relatively low. For the first time, Co-substituted Fe partly of the NiFe2O4 electrocatalyst was studied to improve ...Read more