| People | Locations | Statistics |
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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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Miyayama, Masaru
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2012High capacity positive electrodes for secondary Mg-ion batteriescitations
- 2012Synthesis and electrochemical behavior of hollandite MnO2/acetylene black composite cathode for secondary Mg-ion batteriescitations
- 2011The diffusions and associated interfacial layer formation between thin film electrolyte and cermet anode in IT-SOFCcitations
- 2011Diffusion and segregation along grain boundary at the electrolyte–anode interface in IT-SOFCcitations
- 2011Mutual diffusion and microstructure evolution at the electrolyte−anode interface in intermediate temperature solid oxide fuel cellcitations
- 2007Cathode performance of nanostructured La1-aSraCo1-bFebO3- on a Ce0.8Sm0.2O2 electrolyte prepared by citrate-nitrate auto-combustioncitations
- 2006Electrode performance of nanostructured La1-aSraCo1-bFebO3-x on a Ce0.8Sm0.2O2 electrolyte prepared by citrate nitrate auto-combustioncitations
Places of action
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article
Synthesis and electrochemical behavior of hollandite MnO2/acetylene black composite cathode for secondary Mg-ion batteries
Abstract
<p>In this work, we present tunnel-structured hollandite-type MnO<sub>2</sub> as a reversible insertion cathode material for secondary Mg-ion batteries. Hollandite MnO<sub>2</sub> [Hol] and the hollandite MnO<sub>2</sub>/acetylene black [Hol/AB] composite are synthesized as working electrodes. The reversible insertion/extraction of a Mg ion in an active host lattice in the potential window of - 1.8 to 1.0 V vs. Ag/Ag <sup>+</sup> at a current density of 100 mA/g is examined. In the case of hollandite MnO<sub>2</sub>/acetylene black composite, a specific discharge capacity of 210 mAh/g in the 1st cycle is observed upon the electrochemical insertion of ∼ 0.39 Mg/Mn. However, hollandite MnO<sub>2</sub> exhibits a specific discharge capacity of 85 mAh/g upon the electrochemical insertion of 0.16 Mg/Mn under the same conditions. The tunnel framework of the hollandite MnO<sub>2</sub> is retained with minor displacive adjustments even after substantial Mg-ion insertion/extraction. A reversible loss in capacity with increasing current density appears to be associated with a diffusion-limited transfer of the Mg ion in the solid state.</p>