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Search name	Searched On	Run search
Keyword: Servers (0)	27 Mar 2025	Run
Keyword: Statism (0)	27 Mar 2025	Run
Keyword: Mg 2 Ni (1)	27 Mar 2025	Run
Keyword: Eucarya (0)	27 Mar 2025	Run
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articleOpen Access
MICROSTRUCTURES AND ELECTROCHEMICAL PROPERTIES OF NANO-STRUCTURED Mg₂Ni-BASED COMPOUND CONTAINING Nb ADDITIVES
- MARYAM MOHRI and
- S. F. KASHANI-BOZORG
International Journal of Modern Physics: Conference Series01 Jan 2012
Preview Abstract
In the present work, high energy ball milling of binary (Mg₂Ni) and ternary powder mixtures (Mg_1.75Nb_0.25Ni and Mg₂Ni_0.75Nb_0.25, i.e., substitution of Nb for Mg and Ni, respectively) was carried out. The effects of milling process parameters on the microstructure of binary and ternary milled products were studied. Also, electrochemical properties of the nano-structured electrodes made from the milled products were measured. It was found that Nb substitution for Mg (Mg_1.75Nb_0.25Ni) has beneficial effect on the formation kinetic of Mg₂Ni-based nano-crystallites. Electrode made from the 20h milled product using initial composition of Mg_1.75Nb_0.25Ni exhibited a high discharge capacity of ~600mAhg-1 and relatively longer discharge life. Such electrode showed a microstructure consisting of an amorphous core surrounded by nano-crystallites.

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