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Browsing Journal Articles by Impact Area "Electro Chemicals Energy Tech"

Now showing items 1-15 of 15

Ammonium metal phosphates: Emerging materials for energy storage

Author: Raju, Kumar Date: Jun 2020 The search for new materials that can hold the heteroatoms viz., nitrogen, oxygen and phosphorus becomes crucial for robust energy storage and conversion devices. Recently, ammonium metal phosphates (NH4MPO4, M = Mn2+, Ni2+, Co2+, Fe2+, etc.) ... Read more
Co-existence of Pd, Bi2O3 and CuO supported on porous activated biocarbon for electrochemical conversion and energy storage

Author: Fuku, Xolile G ; Modibedi, Remegia M ; Mkhohlakali, Andile ; Mathe, Mahlanyane K Date: Aug 2021 The co-existence of metal oxides (MO) and activated carbon (AC) causes changes in the catalytic behaviour and activity which would contribute greatly to a number of applications. Pd–AC/Bi2O3/CuO synthesized via the green process was used as ... Read more
Dual polymer/liquid electrolyte with BaTiO3 electrode for magnesium batteries

Author: Shela, E ; Liu, F ; Wang, T ; Farrag, M ; Liu, J ; Yacout, N ; Kebede, Mesfin A ; Sharma, N ; Fan, LZ Date: Apr 2020 With a low cost and high volumetric capacity, rechargeable magnesium batteries (RMBs) have emerged as promising candidates for post-lithium ion batteries. The kinetically sluggish Mg2+ insertion/extraction in the host lattice and the ... Read more
Efficient catalytic reduction of nitroaromatics by recyclable 2-naphthalene sulfonic acid doped polyaniline nanotubes decorated with NiFe2O4 nanorods

Author: Sypu, VS ; Kear, NH ; Bhaumik, M ; Raju, Kumar ; Maity, Arjun Date: Mar 2021 A hybrid nanostructure comprising NiFe2O4 nanorods and 2-naphthalene sulfonic acid (2-NSA) doped polyaniline nanotubes (NiFe2O4@PANI/NSA) has been explored as an efficient catalyst for the reduction of nitroaromatics in the aqueous medium. ... Read more
Electrochemical deposition of PdBiSn catalyst for glycerol oxidation in alkaline medium

Author: Xaba, Nqobile ; Modibedi, Remegia M ; Mathe, Mahlanyane K ; Khotseng, LE Date: Dec 2020 PdBiSn thin film on Au substrate was prepared by means of the electrochemical atomic layer deposition (E-ALD) technique. The morphology and elemental distribution of the catalysts was determined using scanning electron microscope equipped ... 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
Fluorine-decorated graphene nanoribbons for an anticorrosive polymer electrolyte membrane fuel cell

Author: Jin, S ; Yang, SY ; Lee, JM ; Kang, MS ; Choi, SM ; Ahn, W ; Fuku, Xolile G ; Modibedi, Mmalewane R ; Han, B ; Seo, MH Date: Jun 2021 Pt-supported carbon material-based electrocatalysts are formidably suffering from carbon corrosion when H2O and O2 molecules are present at high voltages in polymer electrolyte membrane fuel cells (PEMFCs). In this study, we discovered that ... Read more
The impact of synthesis techniques on the properties of hybrid perovskite materials for photovoltaic application

Author: Olaleru, S Akin ; Wamwangi, D ; Kirui, JK ; Roro, Kittessa T ; Mwakikunga, Bonex W ; Palaniyandy, Nithyadharseni ; El-Mahallawy, N ; Rashad, N Date: Jul 2020 Hybrid perovskites are organometal halide materials that are attractive to the researchers owing to impressive physical properties like absorption coefficients. Controlled formation of perovskite crystal during the preparation process is key ... Read more
Influence of microwave irradiation and combustion fuels on the rate capability and cycle performance of Li1.2Mn0.52Ni0.13Co0.13Al0.02O2 layered material

Author: Nkosi, Funeka ; Palaniyandy, Nithyadharseni ; Raju, Kumar ; Ozoemena, K Date: Oct 2020 Commercialization 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
Poly (2, 6-dimethyl-1, 4-phenylene)/polysulfone anion exchange membrane blended with TiO2 with improved water uptake for alkaline fuel cell application

Author: Msomi, PF ; Nonjola, Patrick N ; Ndungu, PG ; Ramontja, J Date: Oct 2020 A series of anion exchange membranes (AEM) based on poly (2, 6-dimethyl-1, 4-phenylene) (PPO) and polysulfone (PSF) blended with TiO2 were prepared and investigated. The water uptake, swelling ratio, ion exchange capacity, ion conductivity ... Read more
Recent developments on layered 3d-transtition metal oxide cathode materials for sodium-ion batteries

Author: Palaniyandy, Nithyadharseni Date: Jun 2020 Sodium-ion batteries (SIBs) are now intensively developed as a cost-effective technology alternative to lithium-ion batteries (LIBs) for large-scale energy storage because of their various advantages such as huge abundance of sodium resources, ... Read more
Recent progress and emerging challenges of transition metal sulfides based composite electrodes for electrochemical supercapacitive energy storage

Author: Theerthagiri, J ; Senthil, RA ; Nithyadharseni, Palaniyandy ; Lee, SJ ; Durai, G ; Kuppusami, P ; Madhavan, J ; Choi, MY Date: Jul 2020 The need for clean energy production and utilization is urgent and continues to grow due to the serious issues of human population growth and environmental pollution. The energy crisis is driving the demand for novel and innovative materials ... Read more
Solid coated Li4Ti5O12 (LTO) using polyaniline (PANI) as anode materials for improving thermal safety for lithium ion battery

Author: Mo, L ; Zheng, Haitao Date: Nov 2020 In generally, the thermal behaviour of cathode and electrolyte are the major concerns for the safety of lithium-ion battery, In contrast to rare attention on thermal effects of anode materials. In this work, Li4Ti5O12/polyaniline (PANI@LTO) ... Read more
Solid coated Li4Ti5O12 (LTO) using polyaniline (PANI) as anodematerials for improving thermal safety for lithium ion battery

Author: Mo, L ; Zheng, Haitao Date: Nov 2020 In generally, the thermal behaviour of cathode and electrolyte are the major concerns for the safety of lithium-ion battery, In contrast to rare attention on thermal effects of anode materials. In this work, Li4Ti5O12/polyaniline (PANI@LTO) ... Read more
The ultrasonication boosts the surface properties of CoFe2O4/C nanoparticles towards ORR in alkaline media

Author: Matseke, Mphoma S ; Zheng, Haitao ; Wang, Y Date: Jun 2020 Since ultrasonication was reported to be used for exfoliation of layered materials in water (Science-ref. 31), the method has never been explored in non-layered materials, in particular, the effect of ultrasonication on the surface property ... Read more

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