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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
Examining manganese dioxide electrode in KOH electrolyte using TEM technique
Abstract
The manganese dioxide/zinc cell in an alkaline potassium hydroxide electrolyte is a widely studied system. However, most of this work has focused on additives to manganese dioxide (MnO2) in order to make this cell rechargeable. To the best of my knowledge, no work has been done so far on the discharge-charge mechanism using microscopic techniques. Hence, with an aim to understand the redox mechanism, the MnO2 cathodes are characterized by transmission electron microscopy (TEM), energy dispersive spectrum analysis (EDS), electron energy loss spectroscopy (EELS) and secondary ion mass spectrometry (SIMS) techniques. The results suggest that the electrode reaction of MnO2 in this electrolyte is potassium (K+) insertion or surface film formation on the surface in addition to the usual protonation i.e. H+ insertion during discharge process.