The Effect of High Charging Rates Activation on the Specific Discharge Capacity and Efficiency of a Negative Electrode Based on a LaMgAlMnCoNi Alloy

Abstract:

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A nickel-metal hydride (Ni-MH) rechargeable battery has been prepared using a La0.7Mg0.3Al0.3Mn0.4Co0.5Ni3.8 alloy as the negative electrode. The maximum discharge capacity of the La0.7Mg0.3Al0.3Mn0.4Co0.5Ni3.8 alloy has been determined (350 mAh/g). Using a high starting charging rate (2857 mAg-1) an efficiency of 49% has been achieved in the 4th cycle. The alloy and powders have been characterized by scanning electron microscopy (SEM), energy dispersive X-ray analysis (EDX) and X-ray diffraction (XRD).

Info:

Periodical:

Materials Science Forum (Volumes 660-661)

Edited by:

Lucio Salgado and Francisco Ambrozio Filho

Pages:

133-138

DOI:

10.4028/www.scientific.net/MSF.660-661.133

Citation:

E. A. Ferreira et al., "The Effect of High Charging Rates Activation on the Specific Discharge Capacity and Efficiency of a Negative Electrode Based on a LaMgAlMnCoNi Alloy", Materials Science Forum, Vols. 660-661, pp. 133-138, 2010

Online since:

October 2010

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$35.00

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