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Article
Role of preparation conditions on the pseudocapacitor properties of SnO2 nanoparticles by co-precipitation method
Nanocrystalline phase pure Tin Oxide (SnO2) materials were prepared by chemical co-precipitation method. The materials were prepared using water and 2-propanol as the co-solvents taken in 1:1 ratio. The role of v...
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Article
Effect of temperature on morphological, optical and electrochemical properties of SnO2 nanoparticles
Pure nanocrystalline SnO2 powders calcined at three different temperatures of 400, 600 and 800°C have been successfully synthesized by chemical co-precipitation method with the starting material SnCl2·2H2O and 2-...
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Article
Influence of graphene oxide on the membrane characteristics of PVDF-HFP as an electrolyte for lithium-based energy storage devices
Polymer-based separators for energy storage applications are being developed to ensure the high safety, high performance, light weight, and low cost of the device. In this regard, poly(vinylidene fluoride-co-hexa...
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Article
Influence of Poly(Vinylpyrrolidone) on the Synthesis of LiV3O8/LiV2O5 by Rheological Phase Reaction Method for Supercapacitor Application
A facile rheological phase reaction (RPR) approach has been used to synthesize the LiV3O8/LiV2O5 (LVO) mixed phase metal oxide for aqueous supercapacitor application. The influence of poly(vinylpyrrolidone) (PVP)...
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Article
Synthesis of LiV3O8 by an Ultrasound-Assisted Rheological Phase Reaction Method for Aqueous Supercapacitor Application
Phase pure lithium trivanadate (LiV3O8) was synthesized by an ultrasound-assisted rheological phase reaction method for aqueous supercapacitor applications. The precursor was exposed to ultrasound for different t...
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Article
Effect of do** nickel/cobalt ions on the structural and photocatalytic efficiency of magnesium manganese oxide materials for the environmental applications
The excessive use of the antibiotics like norfloxacin and their residue is a serious threat to the environment. Although photocatalysis method of removing antibiotics is considered as an efficient method, agai...
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Article
Preparation and characterization of porous PVdF-HFP/graphene oxide composite membranes by solution casting technique
Poly(vinylidenefluroide-co-hexafluoropropylene) (PVdF-HFP) is used as a polymer electrolyte for energy storage devices like batteries, supercapacitors, and electric double layer capacitors (EDLC’s) due to its ...
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Article
Hydrothermal synthesis and electrochemical properties of ZnCo2O4 microspheres
Zinc cobalt oxide (ZnCo2O4) microspheres are prepared at three different hydrothermal process temperatures (100 °C, 130 °C, and 160 °C) assisted with urea. XRD studies reveal the spinel face-centered cubic (Fd3m)...
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Article
Transition mixed-metal molybdates (MnMoO4) as an electrode for energy storage applications
MnMoO4 nanoparticles were synthesized by employing solvothermal method at optimized experimental condition to explore their electrochemical properties. The fundamental characterization studies such as X-ray diffr...
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Article
Pure and cobalt-substituted zinc-ferrite magnetic ceramics for supercapacitor applications
Pure and cobalt-substituted zinc ferrites were successfully synthesized employing a simple co-precipitation route. CoxZn0.04−xFe2O4 (x = 0, 0.01, 0.02) physical properties have been investigated employing compreh...
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Article
Preparation and characterization of LiNi0.495M0.01Mn0.495O2 (M = Zn, Co, and Y) for lithium ion batteries
Layered structured LiNi0.5Mn0.5O2 and LiNi0.495M0.01Mn0.495O2 (M = Zn, Co, and Y) compounds were prepared by PVP (poly(vinyl pyrrolidone))-assisted sol-gel method, and their structural, morphological, vibrational...
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Article
Hydrothermal synthesis of spherical NiCO2O4 nanoparticles as a positive electrode for pseudocapacitor applications
Hydrothermal method was adapted to synthesis NiCo2O4 nanoparticles by varying nickel and cobalt precursor concentration as 1:1, 1:2, and 1:3 ratios. X-ray diffraction (XRD) results revealed the spinel NiCo2O4 str...
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Article
Surfactant effect on synthesis and electrochemical properties of nickel-doped magnesium oxide (Ni–MgO) for supercapacitor applications
Nickel-doped magnesium oxide (Ni–MgO) nanopowders were successfully synthesized by employing a simple sol–gel process by adopting different surfactants such as Hexamine, CTAB and PEG-400. XRD results clearly r...
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Article
Hexamine, PEG-400 effect on α-MoO3 nanoparticle synthesis for pseudo capacitance applications
Effect of different cap** agents such as hexamine and PEG-400 on the synthesis of α-MoO3 nanoparticles was investigated employing a simple chemical reduction method by adopting NaBH4 as reducing agent. Owing to...
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Article
Influence of reducing agent concentration on the structure, morphology and ferromagnetic properties of hematite (α-Fe2O3) nanoparticles
Hematite (α-Fe2O3) nanoparticles are successfully synthesized by using the chemical reduction synthesis method. The obtained XRD results revealed the formation of rhombohedral crystal structure of hematite α-Fe2O
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Article
Correlation between the structural, electrical and electrochemical performance of layered Li(Ni0.33Co0.33Mn0.33)O2 for lithium ion battery
The Li(Ni0.33Co0.33Mn0.33)O2 (LNCMO) cathode material is prepared by poly(vinyl pyrrolidone) (PVP)-assisted sol-gel/hydrothermal and poly(ethylene glycol)-block-poly(propylene glycol)-block-poly (ethylene glycol)...
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Article
Synthesis and electrochemical studies on LiV3O8
The compound, lithium trivanadate (LiV3O8), was synthesized by the polymer precursor method, using the polymer polyvinylpyrrolidone. The electrochemical performance of LiV3O8 was compared with LiV3O8 synthesized ...
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Article
Ionic conductivity studies on LiSmO2 by impedance spectroscopy
Lithium samarium oxide has been prepared by solid-state reaction method and characterized by X-ray diffraction (XRD) and impedance spectroscopy. XRD pattern of the sample reveals the formation of the sample. T...
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Article
Structural and ionic conductivity studies on proton conducting polymer electrolyte based on polyvinyl alcohol
An attempt has been made to prepare a new proton conducting polymer electrolyte based on polyvinyl alcohol (PVA) doped with NH4NO3 by solution casting technique. The complex formation between polymer and dissocia...
