Browsing Journal Articles by Author "Rambau, Khavharendwe MA"

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A facile segregation process and restoration of LiMn2 O4 cathode material from spent lithium-ion batteries

Author: Palaniyandy, Nithyadharseni ; Rambau, Khavharendwe MA ; Musyoka, Nicholas ; Ren, Jianwei Date: Apr 2020 Due 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
A facile segregation process and restoration of LiMn2O4 cathode material from spent lithium-ion batteries

Author: Palaniyandy, Nithyadharseni ; Rambau, Khavharendwe MA ; Musyoka, Nicholas M ; Ren, Jianwei Date: Apr 2020 Due 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
Influence of K3Fe(CN)6 on the electrochemical performance of carbon derived from waste tyres by K2CO3 activation

Author: Bello, A ; Momodu, DY ; Madito, MJ ; Makgopa, K ; Rambau, Khavharendwe MA ; Dangbegnon, JK ; Musyoka, Nicholas M ; Manyala, N Date: Apr 2018 Revalorisation of waste tyres to sustainable value added carbons was studied as a possible means of addressing the challenges with rising demand for energy across the globe. Crumble tyres were used for the production of activated carbon (AC) ... Read more
Manganese-based metal organic framework from spent Li-Ion batteries and its electrochemical performance as anode material in Li-ion battery

Author: Rambau, Khavharendwe MA ; Musyoka, Nicholas M ; Palaniyandy, Nithyadharseni ; Manyala, N Date: Jan 2021 Herein, 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
Preparation of carbon nanofibers/tubes using waste tyres pyrolysis oil and coal fly ash derived catalyst

Author: Rambau, Khavharendwe MA ; Musyoka, Nicholas M ; Manyala, N ; Ren, Jianwei ; Langmi, Henrietta W ; Mathe, Mahlanyane K Date: May 2018 In this study, two waste materials namely; coal y ash (CFA) and waste tyres pyrolysis oil, were successfully utilized in the synthesis of carbon nanofibers/tubes (CNF/Ts). In addition, Fe-rich CFA magnetic fraction (Mag-CFA) and ethylene gas ... Read more
Synthesis of activated carbon from high-carbon coal fly ash and its hydrogen storage application

Author: Musyoka, Nicholas M ; Wdowin, M ; Rambau, Khavharendwe MA ; Franus, W ; Panek, R ; Madej, J ; Czarna-Juszkiewicz, D Date: Aug 2020 Activated carbons (ACs) have desirable characteristics that make them attractive for many industrial applications. In order to reduce their production cost, there is always a need to find alternative low-cost feedstock precursors. Nowadays ... Read more
Utilization of waste tyres pyrolysis oil vapour in the synthesis of Zeolite Templated Carbons (ZTCs) for hydrogen storage application

Author: Musyoka, Nicholas M ; Rambau, Khavharendwe MA ; Manyala, N ; Ren, Jianwei ; Langmi, Henrietta W ; Mathe, Mahlanyane K Date: May 2018 In this study, we investigated the potential for use of waste tyre pyrolysis oil vapour as a carbon precursor in the synthesis of zeolite templated carbons (ZTC). With Zeolite 13X as the template, the ZTCs were synthesised using two methods ... Read more

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Browsing Journal Articles by Author "Rambau, Khavharendwe MA"

Browsing Journal Articles by Author "Rambau, Khavharendwe MA"

Browse

All of ResearchSpace

This Collection

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Legislation and compliance

General Enquiries

Social Connect