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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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Rubens Nunes De Faria, Jr.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2017The Influence of Pr and Mg Content on the Hydrogen Decrepitation of LaNi-Based Battery Alloys
- 2017Heat Treatment and Microstructural Studies of LaNi-Type Battery Electrode Alloys
- 2012Microstructure and Electrochemical Properties of a LaMgAlMnCoNi Based Alloy for Ni/MH Batteriescitations
- 2010The Effect of Cu, P, Ga and Gd on Microstructure and Magnetic Properties in the PrFeCoBNb HD Sintered Magnetscitations
- 2010Effect of Variables the HDDR Processing on Magnetic Properties and Microstructure in Permanent Magnets Based on Pr-Fe-B
- 2010Effect of Hydrogenation Pressure on Microstructure and Mechanical Properties of Ti-13Nb-13Zr Alloy Produced by Powder Metallurgy
- 2008The Effect of the Processing Temperature on the Microstructures of Pr-Fe-Co-B-Nb HDDR Magnetscitations
- 2008A Comparative Study between Low and High-Energy Milling Processes for the Production of HD PrFeCoBNb Sintered Magnetscitations
- 2008Microstructure and Magnetic Properties of PrFeCoBNb Sintered Magnets Produced from HD and HDDR Powderscitations
- 2008X-Ray Diffraction Analysis and Magnetic Properties of Pr-Fe-B HDDR Powders and Magnetscitations
- 2006Curie Temperature Determination of Pr Permanent Magnet Alloyscitations
- 2005The Influence of Pr Concentration on the Magnetic Properties of Pr-Fe-Co-B-Nb HDDR Magnets
- 2005Consolidation of Compacted Zircaloy Chips via Vacuum Arc Melting - Analysis of the Electric Arccitations
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article
The Influence of Pr and Mg Content on the Hydrogen Decrepitation of LaNi-Based Battery Alloys
Abstract
<jats:p>This paper reports the results of investigations of the hydrogenation and decrepitation of some LaNi-based hydrogen storage cast ingot alloys. A decrepitation procedure for battery negative electrode alloys has been applied using a combination of hydrogen pressure and heating from room temperature to 773K. It has been shown that the Pr and Mg content have a significant influence on the microstructures of the hydrogenated alloys and decrepitation efficiency. Alloys with high concentration of Pr and Mg required an activation quenching treatment for starting the absorption of hydrogen. The decrepitated materials were characterized by scanning electron microscopy (SEM). Electrodes for alloy discharge capacity studies were produced using a nickel screen and electrochemical measurement were carried out in a standard three-electrode cell. The H content of the negative electrode, expressed as the number o H atoms (n) per formula unit, was determined using the measured storage capacity.</jats:p>