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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Minakshi, Manickam
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (34/34 displayed)
- 2021Alginate biopolymer effect on the electrodeposition of manganese dioxide on electrodes for supercapacitorscitations
- 2021Suitable electrode materials for hybrid capacitors
- 2021High temperature (up to 1200 °C) thermal-mechanical stability of Si and Ni doped CrN framework coatingscitations
- 2020Physico-chemical properties of CrMoN coatings - combined experimental and computational studiescitations
- 2020Traditional salt-in-water electrolyte vs. water-in-salt electrolyte with binary metal oxide for symmetric supercapacitors: Capacitive vs. faradaiccitations
- 2020Tuning the morphology and redox behaviour by varying the concentration of Fe in a CoNiFe ternary oxide heterostructure for hybrid devicescitations
- 2020Role of additives in electrochemical deposition of ternary metal oxide microspheres for supercapacitor applicationscitations
- 2020A hybrid electrochemical energy storage device using sustainable electrode materialscitations
- 2020Highly energetic and stable gadolinium/bismuth molybdate with a fast reactive species, redox mechanism of aqueous electrolytecitations
- 2019Facile synthesis of a nanoporous sea sponge architecture in a binary metal oxidecitations
- 2018A combined theoretical and experimental approach of a new ternary metal oxide in molybdate composite for hybrid energy storage capacitorscitations
- 2018Effect of oxidizer in the synthesis of NiO anchored nanostructure nickel molybdate for sodium-ion batterycitations
- 2017Effect of Transition Metal Cations on Stability Enhancement for Molybdate-Based Hybrid Supercapacitorcitations
- 2016Electrochemical synthesis of polyaniline cross-linked NiMoO4nanofibre dendrites for energy storage devicescitations
- 2016Tuning the redox properties of the nanostructured CoMoO4 electrode: Effects of surfactant content and synthesis temperaturecitations
- 2016Synthesis, structural and electrochemical properties of sodium nickel phosphate for energy storage devicescitations
- 2015Nanocomposite sodium transition metal phosphate prepared via combustion route for hybrid capacitor
- 2015Synthesis and characterization of manganese molybdate for symmetric capacitor applications
- 2015Dual effect of anionic surfactants in the electrodeposited MnO2 trafficking redox ions for energy storagecitations
- 2015Synthesis, and crystal and electronic structure of sodium metal phosphate for use as a hybrid capacitor in non-aqueous electrolytecitations
- 2015PEO nanocomposite polymer electrolyte for solid state symmetric capacitorscitations
- 2014Structural and electrochemical properties of nanocomposite polymer electrolyte for electrochemical devicescitations
- 2012High energy density rechargeable battery: Study of polyvinylpyrrolidone encapsulated MnO2 composite as cathode material
- 2012Polyvinylpyrrolidone assisted sol–gel route LiCo1/3Mn1/3Ni1/3PO4 composite cathode for aqueous rechargeable batterycitations
- 2012Role of structural defects in olivine cathodescitations
- 2011Characterization of alkaline-earth oxide additions to the MnO2 cathode in an aqueous secondary batterycitations
- 2011Synthesis and characterization of Li(Co0.5Ni0.5)PO4 cathode for Li-Ion aqueous battery applicationscitations
- 2010The effect of B4C addition to MnO2 in a cathode material for battery applicationscitations
- 2008Examining manganese dioxide electrode in KOH electrolyte using TEM techniquecitations
- 2007A study of lithium insertion into MnO2 containing TiS2 additive a battery material in aqueous LiOH solutioncitations
- 2007TEM investigation of MnO2 cathode containing TiS2 and its influence in aqueous lithium secondary batterycitations
- 2006Electrochemical behavior of anatase TiO2 in aqueous lithium hydroxide electrolytecitations
- 2006TEM characterization of MnO2 cathode in an aqueous lithium secondary battery
- 2006Electrochemistry of cathode materials in aqueous lithium hydroxide electrolyte
Places of action
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article
Effect of Transition Metal Cations on Stability Enhancement for Molybdate-Based Hybrid Supercapacitor
Abstract
The race for better electrochemical energy storage systems has prompted examination of the stability in the molybdate framework (MMoO4; M = Mn, Co, or Ni) based on a range of transition metal cations from both computational and experimental approaches. Molybdate materials synthesized with controlled nanoscale morphologies (such as nanorods, agglomerated nanostructures, and nanoneedles for Mn, Co, and Ni elements, respectively) have been used as a cathode in hybrid energy storage systems. The computational and experimental data confirms that the MnMoO4 crystallized in β-form with α-MnMoO4 type whereas Co and Ni cations crystallized in α-form with α-CoMoO4 type structure. Among the various transition metal cations studied, hybrid device comprising NiMoO4 vs activated carbon exhibited excellent electrochemical performance having the specific capacitance 82 F g-1 at a current density of 0.1 A g-1 but the cycling stability needed to be significantly improved. The specific capacitance of the NiMoO4 electrode material is shown to be directly related to the surface area of the electrode/electrolyte interface, but the CoMoO4 and MnMoO4 favored a bulk formation that could be suitable for structural stability. The useful insights from the electronic structure analysis and effective mass have been provided to demonstrate the role of cations in the molybdate structure and its influence in electrochemical energy storage. With improved cycling stability, NiMoO4 can be suitable for renewable energy storage. Overall, this study will enable the development of next generation molybdate materials with multiple cation substitution resulting in better cycling stability and higher specific capacitance.