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Physical Vapor Deposition of Hydrogen Storage Alloys and Their Charecterestics as Metal Hydrides Electrodes

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Tue, 2015-05-19 10:14 — Shehdeh Jodeh
Journal Title, Volume, Page: 
Taibah Journal of Science
Year of Publication: 
2009
Authors: 
Shehdeh Jodeh
Current Affiliation: 
Department of Chemistry, Faculty of Science, An-Najah National University, Nablus, Palestine
[email protected]
Preferred Abstract (Original): 

A new method of preparing thin film metal-hydride elec­trodes for metal-hydride batteries is described. The method consists of simultaneous deposition of multi-component metal­lic species onto a substrate while bombarding the growing, de­posited thin film electrode with a low energy hydrogen ion beam. An amorphous LaNi4 hydride thin film electrode has been pre­pared by this Hydrogen Ion Beam Assisted Deposition (HIBAD) technique. The electrochemical discharge capacity and cycle life of this electrode in a 6 M KOH solution surpass previously re­ported values for La-Ni thin film electrodes prepared by other deposition methods.