Author:Pandarum, Aradhna; Rakaibe, Tshwanelo K; Mbam, VuyoDate:Oct 2023South Africa is confronted by the triple threat of inequality, poverty, and unemployment and has the highest inequality and unemployment rate in the world. The energy transition to a low carbon economy offers significant opportunity for the ...Read more
Author:Seroka, Ntalane S; Luo, Hongze; Khotseng, LDate:Apr 2024Highly portable nanoelectronics and large-scale electronics rely on lithium-ion batteries (LIBs) as the most reliable energy storage technology. This method is thought to be both environmentally friendly and cost-effective. We provide a study ...Read more
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:David, K; Mhlabeni, Thobile; Luo, HDate:Apr 2013The composite material has a xLi2MnO3·(1-x)LiMO2 (M = Mn, Co, Ni) structure has been considered as one of the most promising cathode materials for advanced lithium-ion batteries due to their low-cost and high capacity (> 200 mAh g−1) between ...Read more
Author:Zhang, M; Chen, M; Shao, Y; Song, H; Liu, L; Ren, Jianwei; Liao, SDate:Mar 2019A high-performance Ni/Mo co-doped lithium manganate composite material, LiNi0.03Mo0.01Mn1.96O4, is prepared by a solidstate method, then a biomass-derived carbon layer with ethyl cellulose as the carbon source is applied to the surface of the ...Read morecb
Author:Palaniyandy, Nithyadharseni; Rambau, Khavharendwe MA; Musyoka, Nicholas; Ren, JianweiDate:Apr 2020Due to its three-dimensional tunnel structure, the spinel LiMn2[sub]O4[sub] (LMO) cathode material is highly favourable for the migration of lithium ions. Thus, LMO has been used as a commercial cathode material for the electronic devices ...Read more
Author:Palaniyandy, Nithyadharseni; Rambau, Khavharendwe MA; Musyoka, Nicholas M; Ren, JianweiDate:Apr 2020Due to its three-dimensional tunnel structure, the spinel LiMn2O4 (LMO) cathode material is highly favourable for the migration of lithium ions. Thus, LMO has been used as a commercial cathode material for the electronic devices such as mobile ...Read more
Author:Palaniyandy, Nithyadharseni; Nkosi, Funeka P; Raju, Kumar; Ozoemena, KIDate:Apr 2018A facile synthesis of fluorinated Mn3O4 nano-spheres (F-Mn3O4) from low-cost electrolytic manganese dioxide (EMD) at different temperatures and times has been reported. While the as-prepared materials are micron-sized (>200 nm) and the ...Read more
Author:Ramasami, AK; Reddy, MV; Nithyadharseni, P; Chowdari, BVR; Balakrishna, GRDate:Feb 2017Gel-combustion by a bio-fuel, processed starch of the root tuber of cassava (Manihot esculenta), was used to prepare vanadium pentoxide nanowire clusters (V2O5NWC). The as-synthesized product was characterized by X-ray diffraction (XRD), ...Read more
Author:Nkosi, Funeka; Palaniyandy, Nithyadharseni; Raju, Kumar; Ozoemena, KDate:Oct 2020Commercialization of lithium-manganese rich oxides (LMR-NMC) cathodes for lithium-ion batteries is hindered by shortcomings such as severe capacity fade and poor rate capability. This work reveals the synergetic effect of the structure and ...Read more
Author:Rambau, Khavharendwe MA; Musyoka, Nicholas M; Palaniyandy, Nithyadharseni; Manyala, NDate:Jan 2021Herein, we report a method of recycling spent lithium-ion batteries (LIBs) cathode materials by utilizing them as a metal feedstock for the synthesis of Mn-based metal-organic frameworks (Mn-MOF). Spent cathodes were converted to manganese ...Read more
Author:Kebede, Mesfin A; Palaniyandy, NithyadharseniDate:Dec 2019One of the main and crucial components of a lithium-ion battery (LIB) is the anode, a negative electrode as equally significant as the cathode positive electrode. Anodes are typically characterized by delivering a high capacity with low ...Read more
Author:Jafta, CJ; Mathe, Mahlanyane K; Manyala, N; Roos, WD; Ozoemena, KIDate:Aug 2013The LiMn1.5Ni0.5O4 spinel is an important lithium ion battery cathode material that has continued to receive major research attention because of its high operating voltage (∼4.8 V). This study interrogates the impact of microwave irradiation ...Read more
Author:Ozoemena, K; Kebede, Mesfin ADate:Jul 2016Every market analysis predicts that lithium-ion batteries (LIBs) will dominate energy storage technologies for now and the foreseeable future. LIBs will drive many applications ranging from portable electronics to electric vehicles and smart ...Read more
Author:Ozoemena, KIDate:Oct 2015With the increasingly fast global uptake of clean and renewable energy sources like solar and wind power plants and the unprecedented use of smartphones, laptops and tablets, new high-performance electrical energy storage technologies are ...Read more
Author:Liu, G; Wen, L; Kebede, Mesfin A; Luo, HDate:Dec 2011Lithium-ion batteries are now well established in the market as the rechargeable power source. The spinel Li4Ti5O12 has many advantages over the graphite, although, which has been used as anode since lithium ion batteries was invented. Li4Ti5O12 ...Read more
Author:West, N; Ozoemena, KI; Ikpo, CO; Baker, PGL; Iwuoha, EIDate:Jul 2013This paper explores the synergistic and catalytic properties of a newly developed lithium ion battery (LIB) composite cathode of LiMn(sub2)O(Sub4) modified with bimetallic (Au–Fe) nanoparticle. Spinel phase LiMn(sub)2O(sub4) was doped with ...Read more