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Browsing by Author "Ezema, FI"

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Carbon derivatives in performance improvement of lithium-ion battery electrodes

Author: Obodo, RM ; Nwanya, AC ; Ahmad, I ; Kebede, Mesfin A ; Ezema, FI Date: Nov 2021 Various carbon derivatives such as activated carbon, reduced graphene oxide (rGO), graphene oxide (GO), carbon nanotubes (CNTs), etc., have triggered favourable interest towards enhancing the energy storage capacity of lithium-ion batteries ... Read more
Cathode materials for sodium-ion-based energy storage batteries

Author: Nwany, AC ; Kebede, Mesfin A ; Ezema, FI Date: Dec 2019 The quest for mobile energy storage has revolutionized research in energy storage, especially in rechargeable batteries. Presently, lithium-ion batteries dominate the market. They are widely used in products ranging from consumer electronics ... Read more
Current status and trends in spinel cathode materials for lithium-ion battery

Author: Kebede, Mesfin A ; Palaniyandy, Nithyadharseni ; Koao, LF ; Ezema, FI ; Mhlongo, MR Date: Nov 2021 Lithium-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
Electrochemical Devices for Energy Storage Applications

Author: Kebede, Mesfin A ; Ezema, FI Date: Nov 2019 This book explores a wide range of energy storage devices, such as a lithium ion battery, sodium ion battery, magnesium ion battery and supercapacitors. Providing a comprehensive review of the current field, it also discusses the history of ... Read more
Electrochemical performance of BaSnO3 anode material for lithium-ion battery prepared by molten salt method

Author: Nithyadharseni, P ; Reddy, MV ; Ozoemena, KI ; Ezema, FI ; Balakrishna, RG Date: Jan 2016 Perovskite-like structure BaSnO(sub3) ceramic oxide has been prepared by low temperature molten salt method using KOH as a flux and Ba(OH)(sub2) and BaCl(sub2) as precursors. The as-prepared compounds were characterized by various techniques ... Read more
Electrochromic and electrochemical capacitive properties of tungsten oxide and its polyaniline nanocomposite films obtained by chemical bath deposition method

Author: Nwanya, AC ; Jafta, CJ ; Ejikeme, PM ; Ugwuoke, PE ; Reddy, MV ; Osuji, RU ; Ozoemena, KI ; Ezema, FI Date: May 2014 Polyanine and its nanocomposite WO3/PANI films were deposited on fluorine doped tin oxide (FTO) glassslides by simple chemical bath deposition method. The morphology structure of the composite film wasstudied using atomic force microscopy ... Read more
Nanoporous copper-cobalt mixed oxide nanorod bundles as high performance pseudocapacitive electrodes

Author: Nwanya, AC ; Awada, C ; Obi, D ; Raju, Kumar ; Ozoemena, Kenneth I ; Osuji, RU ; Ruediger, A ; Maaza, M ; Rosei, F ; Ezema, FI Date: Feb 2017 We used a simple, cost effective and scalable chemical method to deposit mixed oxides of copper and cobalt on indium tin oxide (ITO) and stainless steel (ss) substrates. The deposited mixed oxides of Cu-Co and Co-Cu exhibit uniform surface ... Read more
Recent progress in nickel oxide-based electrodes for high-performance supercapacitors

Author: Chime, UK ; Nkele, AC ; Ezugwu, S ; Nwanya, AS ; Shinde, NM ; Kebede, Mesfin A ; Ejikeme, PM ; Maaza, M ; Ezema, FI Date: Jun 2020 In recent years, interest in nanostructured electrode materials for use in supercapacitors has been on the rise. Nickel oxide has been reported as a good candidate for supercapacitor applications due to its high theoretical capacitance and ... Read more
Stannate materials for solar energy applications

Author: Eze, CN ; Obodo, RM ; Kebede, Mesfin A ; Ezema, FI Date: Nov 2021 Alkaline earth stannates are rare earth compounds with evidence of their attractive physical properties. Commonly, these rare earth complex oxide nanomaterials could be fabricated via conventional solid-state reactions such as coprecipitation, ... Read more
Studies on bare and Mg-doped LiCoO2 as a cathode material for lithium ion batteries

Author: Reddy, MV ; Wei Jie, T ; Jafta, CJ ; Ozoemena, KI ; Mathe, Mahlanyane K ; Sree Kumaran Nair, A ; Soon Peng, S ; Sobri Idris, M ; Balakrishna, G ; Ezema, FI ; Chowdari, BVR Date: May 2014 In this paper, we report on the preparation of bare and Mg-doped Li(Mg(subx(Co(sub1-x)O(sub2) (x = 0, 0.03, 0.05) phases by a molten salt method and their electrochemical properties. They were prepared at 800 C for 6 h in air. Rietveld refined ... Read more
Transition metal oxide-based nanomaterials for high energy and power density supercapacitor

Author: Obodo, M ; Nwanya, CC ; Hassina, T ; Kebede, Mesfin A ; Ahmad, I ; Malik, M ; Ezema, FI Date: Dec 2019 Recently, the demand for energy sustainability has progressively increased, and the high rate of the world energy depletion has also accelerated the efforts in finding and refining alternative energy resourceful devices. In terms of augmenting ... Read more

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Browsing by Author "Ezema, FI"

Browsing by Author "Ezema, FI"

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