Heat Treatment and Microstructural Studies of LaNi-Type Battery Electrode Alloys

Eliner Affonso Ferreira; Lusinete Pereira Barbosa; R.N. Faria

doi:10.4028/www.scientific.net/MSF.899.366

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HomeMaterials Science ForumMaterials Science Forum Vol. 899Heat Treatment and Microstructural Studies of...

Heat Treatment and Microstructural Studies of LaNi-Type Battery Electrode Alloys

Abstract:

The effects of annealing on the microstructures and electrochemical characteristics of a La_0.7Mg_0.3Al_0.3Mn₀.₄Co₀.₅Ni_3.8hydrogen storage alloy have been studied. The heat treatment by vacuum annealing was carried out at 700 °C, 800 °C, 900 °C and 1000 °C. The microstructure and phase composition of the alloy have been investigated using inductively coupled plasma - atomic emission spectrometry (ICP-AES), scanning electron microscopy (SEM), energy dispersive X-ray analysis (EDX) and X-ray diffraction analysis (XRD). The battery anode was prepared using a mixture of the pulverized alloy with carbon black and polytetrafluoroethylene as a binder.

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Materials Science Forum (Volume 899)

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366-370

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https://doi.org/10.4028/www.scientific.net/MSF.899.366

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Online since:

July 2017

Authors:

Eliner Affonso Ferreira*, Lusinete Pereira Barbosa, R.N. Faria

Keywords:

Hydrogen Storage Alloy, La-Mg-Ni, Microstructure, Properties

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